Ljud detektor sensor Kontrollerkort This small but powerful device

This small but powerful device is easy to use and control via low-level 5V power and can activate up to 250V AC/DC circuits

Chip: CH340G (Replaced ATMEGA16U2)

Easy to get started with

Micro USB Connector

With its CH340G chip and 5-20V operating voltage range

Ljud detektor sensor Kontrollerkort This small but powerful deviceSound detector sensor Get the power of sound detection with the KY 037 sound detector sensor! Perfect for everything from DIY security systems to noise activated alarms, this sensor can detect even the slightest sound and provide a low output signal when reading. Get this easy to use sensor you need to detect sound it even works with 4 6V power! Specifications Sound sensor KY 037. 4 6V. When reading sound, the output changes to a low signal. (0)