HW-390

This module covered on Module Monday.

Show notes

• Module Monday #10: HW-390 Soil Moisture Sensor Module

Software

• 2026-04-20-HW-390-Capacitive-Soil-Moisture.ino

Documentation

• How to build a Capacitive Soil Moisture Sensor (HW-390) for ESP8266, ESP32, Raspberry Pi Pico W for Alexa
• HW-390 (Capacitive Soil Moisture Sensor) with Arduino

Buy

• 1-10PCS HW-390 Capacitive Soil Moisture Sensor Module Wide Voltage Corrosion Resistant 3.3-5.5V DC