US$ 33.99
Home backup power systems
Water Sensor
It consists of two ferromagnetic contacts sealed in a glass tube that close when exposed to a magnetic field
Compact 12x12mm square footprint saves board space while remaining finger-friendly
Specialized variants with removed IR filters are available for near-infrared imaging applications
ESP32 WROOM NODEMCU Module with 30 Pins HC-SR-04 Ultrasonic Sensor ( Pack of 25) Home backup power systemsESP32 WROOM NODEMCU Module with 30 Pins
US$ 33.99
US$ 209.50
US$ 29.99