Information on Devices

Some of these devices are made exclusively by Adafruit, others are available elsewhere. I am including the Adafruit prices to give you an idea of the costs.

Adafruit PowerBoost 1000 Charger - Rechargeable 5V Lipo USB Boost @ 1A - 1000C

Adafruit price: $19.95 (March 2016)

Adafruit PowerBoost 500 Charger - Rechargeable 5V Lipo USB Boost @ 500mA+

Adafruit price: $14.95 (March 2016)

MCP3008 - 8-Channel 10-Bit ADC With SPI Interface

Adafruit price: $3.75 (March 2016)

Lithium Ion Polymer Battery - 3.7v 2500mAh

Adafruit price: $14.95