Shields

ADS1015 12-bit ADC - 4 channel Programmable Gain Amplifier

PowerBoost 500 Basic - 5V USB Boost @ 500mA from 1.8V+

RasPi Robot Board V2 by MonkMakes

Adafruit Ultimate GPS HAT voor Raspberry Pi A+/B+/2B

Adafruit ultimate GPS breakout - 66 channel w/10Hz updates v3

4-channel I2C-safe Bi-direction Logic level convertor BSS138

INA 169 Analog DC current sensor breakout - 60V 5A max

Adafruit Ultimate GPS logger shield - includes GPS module.

Contactless infrared Thermopile Sensor breakout - TMP006

Soil temperature / Moisture Sensor SHT10

Adafruit Micro Lipo - USB Lilon / Lipoly charger

Adafruit 16-channel 12-bit PWM / servo shield I2C interface