This repo contains all the necessary hardware and software information about IoT/Wifi Actuator that has the following features:
- ESP8266 as the controller/radio chip
- Uses MQTT as the communication protocol
- BQ24210 or MCP73831 based solar harvestor
- Uses Nodemcu custom build firmware
- Auto modem sleep enabed (DTIM3,4,5)
- The valve used is a latching solenoid
- DRV8832 as driver for latching solenoid
The cheapst SOC that supports IEEE 802.11 standard ESP8266
Lua based firmware to simplify application programming Nodemcu - Lua
ESP8266 power consumption ESP8266 current profile
(click to see datasheet)
LDO AP2112
Lipo/ion charger MCP73831
Solar lipo/ion charger BQ24210
PMOS switch PMV65XP
Download Nodemcu flasher from here. for windows. For Linux use esptool.py (see repository for details) Look at this page from nodemcu lua documentation