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the blade locks automatically
Red- VCC (Positive)
also known as electrodermal activity (EDA)
It is compatible with high peak lead-free soldering
12V 4-channel Relay Module with Optocoupler TCRT5000 the blade locks automatically12V 4 channel Relay Module with Optocoupler The 12V 4 channel relay module with optocoupler is a reliable and efficient switching solution designed to control high voltage AC and DC appliances using a low voltage 12V signal. Each of the four relays can handle loads up to 10A at 250V AC or 10A at 30V DC, making it suitable for a wide range of applications such as home automation systems, industrial equipment control, and IoT based projects. The
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