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It is 1N4007S A-405 Silicon Controlled Rectifier Diode
Automatic 50/60 Hz luminance detection
press the same button again = off
and when trigger voltage is not supplied to the relay the contact comes back to common to NC from common to NO
The UART automatic output mode outputs the measured distance value (hexadecimal number) according to the UART communication format
24VDC 8 Channel Relay Module 20x4 It is 1N4007S A-405 SiliconThis is a DC 24V 8 channel relay module is an electronic device that consists of 8 independent relay switches. Each switch can be controlled independently, allowing the module to switch multiple devices on and off simultaneously using a single control signal. The relay switches are electromechanical in nature, meaning that they use an electromagnetic field to control the flow of current through a circuit. The 8 channel relay module is commonly used in