This repository contains a set of boards that can interface the Smart Citizen Kit in different ways.
The SmartCitizen ASB is an expansion board for the Smart Citizen Kit that provides connectivity to analog sensors with a high precission ADS1115 via I2C, with four configurable addresses. Daisy chainable up to 4 boards (or 2 in 8ch version) - with a total of 16 analog channels.
| Variant | # of Channels | External AREF needed | ADS format |
|---|---|---|---|
| 4-channel | 4 | Y | SMD or shield by adafruit |
| 8-channel-step | 8 | N | SMD |
Natively operates at 3.3V, but can use also up to 5.5V in EXT-V, and with a selectable jumper. It integrates a level-shifter from the GROVE connector's voltage to EXT-V.
I2C, from 3.3V up to 5.5V.