DC 5V 4-Channel USB Control PC/PLC Controlled Relay Module soldering paste Threshold detection

Threshold detection

These stickers are used to prevent short circuits on batteries

Efficient Pre€š¬‚¬œRegulator for Linear Regulators

The compact design and durable construction make it suitable for use in tight spaces and in environments requiring repeated connections and disconnections

3 pole Male cable connector with metal housing and metal contacts

DC 5V 4-Channel USB Control PC/PLC Controlled Relay Module soldering paste Threshold detectionThis DC 5V 4 Channel USB Control Relay Module is designed for controlling external devices through a USB connection with a PC, PLC, or microcontroller. It enables easy automation and control of up to four independent electrical loads such as lamps, motors, fans, or other appliances via computer software or commands. Ideal for industrial automation, home automation, testing, and development applications. Features 4 channel relay control via USB