No Stock in NZ. This item will be brought into New Zealand - Order before 20th (cutoff). Delivery on 31st/1st.
KnowFlow is the name of this water quality monitoring device, based on Arduino Uno. It can automatically monitor 5 parameters of water: pH, Temperature, Dissolved Oxygen, Electronic Conductivity, ORP.
GPIO Extension Board for Raspberry Pi
Price: $4.98
Protect Your Pi ! 32 IO Points for Raspberry Pi
Price: $25.04
Speech Interaction Board for Raspberry Pi
Price: $13.19
Arduino Shield for Raspberry Pi B+/2B/3B
Price: $34.30