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0-40kPa Gas Pressure Sensor
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Price: $21.85
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Elecrow Item #: EL-SSE25020P -

This is a gas pressure transmitter module with DIP package, the pressure sensor as the sensing element, which integrates digital conditioning chip. It has signal processing circuit chip, and make the digital compensation to sensor drift, sensitivity, temperature drift and non-linear. It is small in size, easy to install, widely used in medical electronics, automotive electronics, sports and fitness equipment and so on. Features Measuring range: 0KPa ~ 40KPa Gauge form For non-corrosive...

1-Axis Analog Gyro Module-ENC03
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Price: $14.83
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Elecrow Item #: EL-SENC031G -

This angular velocity sensor utilizes a Coriolis force that act on a vibrating object when an angular velocity is applied to it. The use of this unit simplifies equipment structure and circuit configuration, thus making it possible to provide outstanding performance. This module can be used for positional control and posture control of a moving object requiring precision and quick-response measurements. There is one ENC-03r senor on this module, provides 1-axis velocity with high speed, which...

1000TVL 13 CCD 110 Degree 2.8mm Lens Mini FPV Camera NTSC PAL Switchable
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Price: $34.76
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Elecrow Item #: EL-PRW45145C -

Multi-rotor aircraft become more and more popular, more people pay attention to FPV this technology, people want to observe a wider world through it. This FPV camera can help you realize the world better. It has a light weight, the volume is also very small, it will match great with your UAV. The focal length of the lens is 2.8mm, the observation is more clear. And this is a wide-angle camera, use it to enjoy the scenery is a very good choice , The lens of the photosensitive area is 1/3 inch,...

10K Precision Epoxy Thermistor
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Price: $7.62
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Adafruit Item #: ADA-372 -

Need to measure something damp? This epoxy-coated precision 1% 10K thermistor is an inexpensive way to measure temperature in weather or liquids. The resistance in 25 �C is 10K (+- 1%). The resistance goes down as it gets warmer and goes up as it gets cooler. For specific temperature-to-resistance, check the lookup table. These are often used for air conditioners, water lines, and other places where they can get damp. The PVC coating of the wires is good up to 105 �C so this isn't good for...

12" Chemical eTape Liquid Level Sensor with Teflon Jacket
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Price: $133.21
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Adafruit Item #: ADA-1786 -

The Chemical eTape Liquid Level Sensor is a solid-state sensor with a resistive output that varies with the level of the fluid. It does away with clunky mechanical floats, and easily interfaces with electronic control systems. What separates this from our other eTape Liquid Sensor is the Teflon (FEP) jacket that is rated for use in chemical, petroleum, and food safe applications The eTape sensor's envelope is compressed by the hydrostatic pressure of the fluid in which it is immersed. This...

12" eTape Liquid Level Sensor + extras
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Price: $76.08
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Adafruit Item #: ADA-464 -

The eTape Liquid Level Sensor is a solid-state sensor with a resistive output that varies with the level of the fluid. It does away with clunky mechanical floats, and easily interfaces with electronic control systems. The eTape sensor's envelope is compressed by the hydrostatic pressure of the fluid in which it is immersed. This results in a change in resistance that corresponds to the distance from the top of the sensor to the surface of the fluid. The sensor's resistive output is inversely...

12" Standard eTape Liquid Level Sensor with Plastic Casing
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Price: $114.17
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Adafruit Item #: ADA-2656 -

This eTape Liquid Level Sensor is a solid-state sensor with a resistive output that varies with the level of the fluid. It does away with clunky mechanical floats, and easily interfaces with electronic control systems. What separates this from our other eTape Liquid Sensor is the hard plastic jacket that makes it less susceptible to damage. The eTape sensor's envelope is compressed by the hydrostatic pressure of the fluid in which it is immersed. This results in a change in resistance that...

12mm Coin Cell Breakout Board
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Price: $3.71
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Adafruit Item #: ADA-1868 -

Simple but effective - this breakout board has a CR1220 coin cell battery holder soldered on and 0.1" pitch breakout pins for easy connecting. Great for powering very low-current projects, or adding a battery backup circuit to a real-time-clock or similar. Comes with one fully assembled and tested coin cell battery holder and a small stick of 0.1" header so you can solder it on and plug into a breadboard. We also have a version with an on/off switch

12mm Coin Cell Breakout w/ On-Off Switch
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Price: $5.24
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Adafruit Item #: ADA-1867 -

Simple but effective - this breakout board has a CR1220 coin cell battery holder soldered on, an on/off switch and 0.1" pitch breakout pins for easy connecting. Great for powering very low-current projects, or adding a battery backup circuit to a real-time-clock or similar. There's two ground pins, one 'switched' power pin, and one pin that is always on. Comes with one fully assembled and tested breakout plus a small stick of 0.1" header so you can solder it on and plug into a breadboard. We...

2 Channels IR Reflective Sensor(TCRT5000)
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Was: $10.76
Sale: $6.26
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Elecrow Item #: EL-SPS25003S -

Description This2 Channels IR Reflective Sensors(TCRT5000) includes 2 professional digital IR reflecitive sensors and a mainboard to handle the 2 channel signals. These sensors can detects tiny line and is suitable for line finder such as helping a robot car folllow a black line on white background or vice versa. You can also adjust the potentiometer on the mainboard with a crosshead screwdriver to adjust the measuring range. The infrared diode will emmitting the infrared continutelly when the...

2-Axis Analog Gyro Module-ENC03
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Price: $39.46
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Elecrow Item #: EL-SENC032G -

    This angular velocity sensor utilizes a Coriolis force that act on a vibrating object when an angular velocity is applied to it. The use of this unit simplifies equipment structure and circuit configuration, thus making it possible to provide outstanding performance.     This module can be used for positional control and posture control of a moving object requiring precision and quick-response measurements. There is two ENC-03r senor on this module,...

2-Axis Joystick
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Price: $13.24
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Adafruit Item #: ADA-245 -

Our 2-Axis Joystick can be used to add analog input to your next project. The 2-Axis Joystick contains two independent potentiometers (one per axis) for reporting the joystick's position, with wiring options for voltage or resistance outputs. The modular form-factor allows you to plug the 2-Axis Joystick directly into a breadboard for easy prototyping. The 2-Axis Joystick includes spring auto return to center and a comfortable cup-type knob. Features: Easy breadboard connection Two independent...

2-Channel Velocity Measurement Kit
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Price: $19.13
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Elecrow Item #: EL-SPM6097VM -

This Kit helps you monitoring the velocity speed of motors, it uses the sensor HC-020 to sense the rotation of circular grid board, and thus output square waves. So users can calculate the rotation velocity or speed via these outputs frequency. There are 20 grids on the circular grid board, so each rising/falling edge standing an angle: 360/20= 18 degrees. Please uncover the yellow protect paper before your using. SpecificationWorking Voltage: 4.5~5.5 VDCEmitter Voltage Drop: 1.5VOutput...

2-Channels Opto Sensor
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Price: $12.25
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Elecrow Item #: EL-SPS21211S -

Description This 2-Channels Opto Sensor is consist of 3 parts: 2 opto-emitters and receivers, one PCBA to adjust the sensitivity and map out the signal. With this sensor, you can measure if there are the objects in the measuring range, eapacilly useful in applications that you need to monitor the inputs&outputs of a system. When the opto sensor didn't covered , the D0 output logic LOW, the signal indicate LED light, when the opto sensor covered, the D0 output logic HIGH and the LED off,...

3 Axis Digital Accelerometer - ADXL345
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Price: $6.62
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Elecrow Item #: EL-SMS33451S -

This ADXL345 module is low power consumption and a 3-axis accelerometer, it communicate with MCU with I2C or SPI communication with user selectable sensitivity and 10-13 bit resolution. The ADXL345 is well suited to measure the static acceleration of gravity in tilt-sensing applications, as well as dynamic acceleration resulting from motion or shock. Its high resolution (4 mg/LSB) enables measurement of inclination changes less than 1.0�. Several special sensing functions are provided....

3 Axis Gyro-L3G4200D
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Elecrow Item #: EL-SMS34200D -

    This is a breakout board for the L3G4200D. the L3G4200D is a low-power three-axis angular rate sensor able to provide unprecedented stablility of zero rate level and sensitivity over temperature and time. It includes a sensing element and an IC interface capable of providing the measured angular rate to the external world through a digital interface (I2C/SPI).     The L3G4200D has a full scale of +/-250 / +/-500 / +/-2000 dps and is capable of...

3-Axis Analog Gyro Module-ENC03
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Price: $52.44
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Elecrow Item #: EL-SENC033G -

    This angular velocity sensor utilizes a Coriolis force that act on a vibrating object when an angular velocity is applied to it. The use of this unit simplifies equipment structure and circuit configuration, thus making it possible to provide outstanding performance.     This module can be used for positional control and posture control of a moving object requiring precision and quick-response measurements. There is three ENC-03r sensors on this...

3-Axis Digital Accelerometer-ADXL346
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Price: $13.11
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Elecrow Item #: EL-SMO346ADXL -

    The module is a simple breakout board that enables easy connection of an ADXL346 into an existing system. The ADXL346 is a small, thin, ultralow power, 3-axis accelerometer with high resolution (13-bit) measurement at up to �16g, it is ideal for a wide variety of applications. Its output data is formatted as 16-bit twos complement and is accessible through either a SPI (3- or 4-wire) or I2C interface.     The ADXL346 is well suited for mobile device...

3-Axis MEMS Accelerometer - MMA8452Q
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Was: $4.92
Sale: $3.50
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Sparkfun Item #: COM-10953 -

"The MMA8452Q is a smart low-power, three-axis, capacitive MEMS accelerometer with 12 bits of resolution. This accelerometer is packed with embedded functions with flexible user programmable options, configurable to two interrupt pins. Embedded interrupt functions allow for overall power savings relieving the host processor from continuously polling data. The MMA8452Q has user selectable full scales of ±2g/±4g/±8g with high pass filtered data as well as non filtered data...

4 Channels IR Reflective Sensor
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Price: $11.59
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Elecrow Item #: EL-SPS40201S -

Description This 4 channels IR reflective sensor includes 4 IR sensors and mainboard to handle all the signals. Each IR reflective sensor is composed of an IR emitter and a receiver, if something is in the measuring range, the sensor would outputs related signal. There are also 4 potentiometers on the mainboard so that the measuring range can be adjusted as you wish. Application Idea Smart car; Line and edge following; omni-directional detecting; On-board indicator; Specification Supply...

4-Channel Capacitive Touch Module
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Was: $11.62
Sale: $6.70
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Elecrow Item #: EL-SCT2244PH -

This Capacitive Touch Module uses the touch-sensing IC TTP224 to add capacitive touch to your project . Just power with 2.4 to 5.5VDC and touch the pad to activate the sensor. These touch switches interface easily to any project - with or without a microcontroller. When a capacitive load (such as a human hand) is in close proximity to the sense-pad, the sensor detects the change in capacitance and activates the switch. Custom sense-pads can be made from nearly any conductive material and these...

4-Way Infrared Sensor Smart Car Tracking Moudle
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Price: $7.61
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Elecrow Item #: EL-SEP03032I -

This module is designed for automated mechanical devices such as smart cars and robots to provide a multi-functional infrared detection system solution. The probe is made up by infrared transmitter and receiver tubes and other discrete components. Besides, the LM339 voltage comparator which adds a more stable hysteresis circuit as the core device constitutes a control circuit. The module has various detection capabilities to meet a great variety of automated, intelligent small system...

4MM Inductive Metal Proximity Sensor
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Price: $12.35
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Elecrow Item #: EL-SPM0409IP -

        Metal Proximity Sensor, which is also called non-contact proximity switch, it is composed of generator and shaping amplifier oscillator vibration in the switch after induction head, and produces an alternating magnetic field when the metal body detected.         This Inductive Proximity Sensor has high sensitivity, fast frequency response, high repeat positioning accuracy and also stability and reliable, it can detects metal components in 0~4mm...

5-Channel Flame Detector Module
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Price: $22.87
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Elecrow Item #: EL-SPH65201F -

Use this module to detect flame in large range( >120 degree). If you want you robot detect if there is any fire around, this module is just for you. It detects the fire with 5 flame sensors which are arranged with 30 degrees. This module outputs analog signal, which would be more precisely, and also digital signal which would be more easy to use, you can adjust the digital output sensitivety by the on-board potentiometer. The 5 LED indicators are helpful in your debugging, the high-precision...

5050 LED breakout PCB - 10 pack!
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Price: $9.43
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Adafruit Item #: ADA-1762 -

This 5050 LED breakout PCB set will make your life much much easier and get you prototyping faster than ever. Solder your 5050 sized LED to either side and you're ready to rock on any solderless breadboard. Each item comes with ten PCBs and each PCB is identical. PCB is .8mm/.03" thick, with ~10mm/0.4" spacing between the two rows.

50gm Polymorph Moldable Plastic
Price: $5.75
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MK-Misc Item #: polymorph -

50gm Polymorph Moldable Plastic Polymorph is a plastic that melts at around 60 degrees Celsius and becomes mouldable and easily shaped. All you need to do is pop some of the granules into hot water or heat them with a hair dryer and once they reach 60 degree you can shape them easily with your hands or put it into a mould ready to make complex shapes. If you make a mistake just put it back into the water and start again. This stuff really changed the way we tinkered and has been a life saver...

6 DOF Sensor - MPU6050
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Price: $19.15
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DFRobot Item #: SEN0142 -

</p><div>At the beginning, the inertial measurement unit is an electronic device that measures and reports on a craft&apos;s velocity, orientation, and gravitational forces, using a combination of accelerators, gyroscopes, and magnetometers. Now IMUs are commonly used in the Human-computer interaction(HCI), navigational purposes and balancing technology used in the Segway Personal Transporter as we all known.</div><p>&nbsp;</p><div>The...

6-36V Inductive Proximity Sensors Proximity Switches
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Price: $16.22
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Elecrow Item #: EL-SEP04069P -

The inductive proximity switch probe sensor can detect metal objects by non-contact detection. It has self-protection, such as power supply connection error protection, surge absorption protection, load short circuit protection. The distance of detection is influenced by the voltage, the influence level is about �10% when the voltage the range of power is �10 of rated voltage. It can be used on automatic door, machine tool, aerospace and garage. Features It will be damaged when the power...

6-Axis Gyro + Acceleratmeter Sensor- MPU6050
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Price: $47.34
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Elecrow Item #: EL-SEM00621A -

This is 6-axis gyro accelerometer module, the major chip on the board is MPU-6050. The MPU-6050 parts are designed for the low power, low cost and high-performance requirements. The size of the module is small, the sensor and MCU integrated into a thumb-sized PCB. The 6-axis gyro accelerometer module integrated the MPU6050, the interface is UART serial port (TTL), the IIC interface can only get the data of the MPU6050, not include the data which calculated by the MCU. The module choose dynamic...

6xAA  Battery Holder(double layer)
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Price: $3.44
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DFRobot Item #: FIT0078 -

<p>This battery holder can hold 6 AA battery &nbsp;which can&nbsp;make &nbsp;7.2 V rechargeable battery pack from NiMH / NiCd cells or 9V battery pack from alkaline cells.</p><p>It comes with a 6&quot; Red &amp; Black Wires with side by side &amp; stack connection.&nbsp;</p><br />|Specification|<ul> <li>Cell Quantity: 6</li> <li>Battery type: AA&nbsp;</li> <li>Storage temperature: 25&#39;C...

8" eTape Liquid Level Sensor + extras
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Price: $76.08
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Adafruit Item #: ADA-463 -

The eTape Liquid Level Sensor is a solid-state sensor with a resistive output that varies with the level of the fluid. It does away with clunky mechanical floats, and easily interfaces with electronic control systems. The eTape sensor's envelope is compressed by the hydrostatic pressure of the fluid in which it is immersed. This results in a change in resistance that corresponds to the distance from the top of the sensor to the surface of the fluid. The sensor's resistive output is inversely...

8-channel Bi-directional Logic Level Converter
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Price: $15.23
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Adafruit Item #: ADA-395 -

Because the Arduino (and Basic Stamp) are 5V devices, and most modern sensors, displays, flash cards and modes are 3.3V-only, many makers find that they need to perform level shifting/conversion to protect the 3.3V device from 5V. Although one can use resistors to make a divider, for high speed transfers, the resistors can add a lot of slew and cause havoc that is tough to debug. For that reason, we like using 4050/74LVX245 series and similar logic to perform proper level shifting. Only...

80cm Infrared Proximity Sensor-GP2Y0A21YK0F
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Price: $21.09
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Elecrow Item #: EL-SPGP2YIP -

    The Sharp distance sensors are a popular choice for many projects that require accurate distance measurements. This IR sensor is more economical than sonar rangefinders, yet it provides much better performance than other IR alternatives. Interfacing to most microcontrollers is straightforward: the single analog output can be connected to an analog-to-digital converter for taking distance measurements, or the output can be connected to a comparator for threshold...

9 Degrees of Freedom - MPU-9150 Breakout
Price: $60.43
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Sparkfun Item #: SEN-11486 -

9 Degrees of Freedom - MPU-9150 Breakout Description: The MPU-9150 is the world’s first 9-axis MotionTracking device designed for the low power, low cost, and high performance requirements of consumer electronics equipment including smartphones, tablets and wearable sensors. And guess what? You get to play with it. This breakout board makes it easy to prototype with the InvenSense MPU-9150 by breaking out all the pins you need to standard 0.1" spaced headers. The board...

9V to Barrel Jack Adapter
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Price: $4.07
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DFRobot Item #: FIT0131 -

<p>&nbsp;</p><p>This simple cable has so many uses! Plug a 9V battery into one end and connect the other end to anything with a 5.5x2.1mm, center-positive barrel jack.</p><p>Use this cable to battery-power any device that needs 9V and has an on-board barrel jack - it works great for Arduinos, development boards, evaluation boards, and more!</p>|ShippingList|<p>&nbsp;</p><p>&nbsp;</p><ul> <li>?9V to Barrel Jack...

ACS712 Current Sensor- 20A
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Price: $10.53
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Elecrow Item #: EL-SEL71220A -

    Sensing and controlling current flow is a fundamental requirement in a wide variety of applications including, over-current protection circuits, battery chargers, switching mode power supplies, digital watt meters, programmable current sources, etc. This ACS721 current module is based on ACS712 sensor, which can accurately detect AC or DC current. The maximum AC or DC that can be detected can reach 20A, and the present current signal can be read via analog I / O port of...

ACS712 Current Sensor- 30A
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Elecrow Item #: EL-SEL71230A -

    Sensing and controlling current flow is a fundamental requirement in a wide variety of applications including, over-current protection circuits, battery chargers, switching mode power supplies, digital watt meters, programmable current sources, etc. This ACS721 current module is based on ACS712 sensor, which can accurately detect AC or DC current. The maximum AC or DC that can be detected can reach 30A, and the present current signal can be read via analog I / O port of...

ACS712 Current Sensor- 5A
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Elecrow Item #: EL-SEL7125A -

    Sensing and controlling current flow is a fundamental requirement in a wide variety of applications including, over-current protection circuits, battery chargers, switching mode power supplies, digital watt meters, programmable current sources, etc. This ACS721 current module is based on ACS712 sensor, which can accurately detect AC or DC current. The maximum AC or DC that can be detected can reach 5A, and the present current signal can be read via analog I / O port of...

AD_DA Module - PCF8591
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Price: $8.12
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Elecrow Item #: EL-SOT00001A -

Have you ever wanted more analog input pins on your Arduino project, but not wanted to fork out for a Mega? Or would you like to generate analogue signals? It solves both these problems as it has a single DAC (digital to analogue) converter as well as four ADCs (analogue to digital converters), all accessible via the I2C bus. If the I2C bus is new to you, please familiarise yourself with the readings here before moving forward. This PCF8591 module operates on 3.3~5V,so can be used with an...

Adafruit 12 x Capacitive Touch Shield for Arduino - MPR121
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Adafruit Item #: ADA-2024 -

This touch-able add on shield for Arduinos will inspire your next interactive project with 12 capacitive touch sensors. Capacitive touch sensing works by detecting when a person (or animal) has touched one of the sensor electrodes. Capacitive touch sensing used for stuff like touch-reactive tablets and phones, as well as control panels for appliances, which is where you may have used it before. This shield allows you to create electronics that can react to human touch, with up to 12 individual...

Adafruit 12-Channel 16-bit PWM LED Driver - SPI Interface
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Price: $14.28
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Adafruit Item #: ADA-1455 -

For all of you out there who want to control 12 channels of PWM, we salute you! We also would like you to check out this breakout board for the TLC59711 PWM driver chip. This chip can control 12 separate channels of 16-bit PWM output. This is the highest-resolution PWM board we've seen! Designed (and ideal) for precision LED control, this board is not good for driving servos. If you need to drive servos, we have a controller for that over here. Only two "SPI" pins are required to send data...

Adafruit 12-Key Capacitive Touch Sensor Breakout - MPR121
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Price: $15.14
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Adafruit Item #: ADA-1982 -

Add lots of touch sensors to your next microcontroller project with this easy-to-use 12-channel capacitive touch sensor breakout board, starring the MPR121. This chip can handle up to 12 individual touch pads. The MPR121 has support for only I2C, which can be implemented with nearly any microcontroller. You can select one of 4 addresses with the ADDR pin, for a total of 48 capacitive touch pads on one I2C 2-wire bus. Using this chip is a lot easier than doing the capacitive sensing with analog...

Adafruit 24-Channel 12-bit PWM LED Driver - SPI Interface
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Adafruit Item #: ADA-1429 -

For all of you out there who want to control 24 channels of PWM, we salute you! We also would like you to check out this breakout board for the TLC5947 PWM driver chip. This chip can control 24 separate channels of 12-bit PWM output. Designed (and ideal) for LED control, this board is not good for driving servos. If you need to drive servos, we have a controller for that over here. Only three "SPI" pins are required to send data (our Arduino library shows how to to use any digital...

Adafruit 9-DOF Absolute Orientation IMU Fusion Breakout - BNO055
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Adafruit Item #: ADA-2472 -

If you've ever ordered and wire up a 9-DOF sensor, chances are you've also realized the challenge of turning the sensor data from an accelerometer, gyroscope and magnetometer into actual "3D space orientation"! Orientation is a hard problem to solve. The sensor fusion algorithms (the secret sauce that blends accelerometer, magnetometer and gyroscope data into stable three-axis orientation output) can be mind-numbingly difficult to get right and implement on low cost real time systems. Bosch is...

Adafruit 9-DOF Accel/Mag/Gyro+Temp Breakout Board - LSM9DS0
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Adafruit Item #: ADA-2021 -

Add motion, direction and orientation sensing to your Arduino project with this all-in-one 9-DOF sensor. Inside the chip are three sensors, one is a classic 3-axis accelerometer, which can tell you which direction is down towards the Earth (by measuring gravity) or how fast the board is accelerating in 3D space. The other is a 3-axis magnetometer that can sense where the strongest magnetic force is coming from, generally used to detect magnetic north. The third is a 3-axis gyroscope that can...

Adafruit 9-DOF Accel/Mag/Gyro+Temp Breakout Board - LSM9DS1
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Adafruit Item #: ADA-3387 -

Add motion, direction and orientation sensing to your Arduino project with this all-in-one 9-DOF sensor. Inside the chip are three sensors, one is a classic 3-axis accelerometer, which can tell you which direction is down towards the Earth (by measuring gravity) or how fast the board is accelerating in 3D space. The other is a 3-axis magnetometer that can sense where the strongest magnetic force is coming from, generally used to detect magnetic north. The third is a 3-axis gyroscope that can...

Adafruit ALS-PT19 Analog Light Sensor Breakout
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Adafruit Item #: ADA-2748 -

Add a teeny analog light sensor, the ALS PT19 analog light sensor is a great way to upgrade a project that uses a photocell and needs RoHS compliance. Due to the high rejection ratio of infrared radiation, the spectral response of the ambient light sensor is close to that of human eyes. It's a pretty simple sensor - connect - to ground, + to 2.5V-5.5V or so to power it. Now measure the analog voltage on the OUT pin. That's it! The voltage will increase when the sensor detects more light.

Adafruit AMG8833 IR Thermal Camera Breakout
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Price: $76.08
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Adafruit Item #: ADA-3538 -

Add heat-vision to your project and with an Adafruit AMG8833 Grid-EYE Breakout! This sensor from Panasonic is an 8x8 array of IR thermal sensors. When connected to your microcontroller (or raspberry Pi) it will return an array of 64 individual infrared temperature readings over I2C. It's like those fancy thermal cameras, but compact and simple enough for easy integration. This part will measure temperatures ranging from 0�C to 80�C (32�F to 176�F) with an accuracy of +- 2.5�C (4.5�F). It can...