Quantity   Component name
1 × Raspberry Pi 1 A+ / 1 B+ / 2 / 3 SSL needs some power. Linux gives you all the libs and the RPi is our workhorse
1 × 3g/4g dongle using ethernet is nice but cellular is the key tech for the IoT
1 × ATmega 168p/328p The RPi needs way to much power. This small uC helps us with this...
2 × HX711 Just a cheap little 24bit ADC designed to read weight-scales