Makerfabs1. There the D5 to turn On/Off the power of 555 and the temperature sensor(AHT10), that you do not always need to check.
2. TLC555 to generate the wave , about 400K.
3. Atmega328, works in 3.3V 8M .
Schematic
A project log for Lora Soil Moisture Sensor
A soil Moisture sensor used for greenhouse, as Lora Node
Discussions
Become a Hackaday.io Member
Create an account to leave a comment. Already have an account? Log In.