ESP32-HC_12

Folder Structure

• hardware - Files related to boards designed for the code
• odoo/addons/* - Odoo Addons that collects the data
• reciever - Receives sensor data and log to Odoo database
• sensor/* - Sensor Nodes that transmit data

Hardware

• M5 Stamp C3 doco - https://docs.m5stack.com/en/core/stamp_c3
• HC-12 https://www.allaboutcircuits.com/projects/understanding-and-implementing-the-hc-12-wireless-transceiver-module/

Wiring

HC-12 long range 433hz UART tranciever

• ESP32 Pin 6 = radio rx
• ESP32 Pin 7 = radio tx
• ESP32 Pin 8 = Radio Set
• ESP32 Gnd = Radio GND
• ESP32 3V3 = Radio VCC

ADC

• ESP32 Pin 5 = 18v Battery positive side (Voltage devider)

I2C - (WIP)

• ESP32 Pin22 - SCL
• ESP32 Pin21 - SDA