NE555 DC12V Adjustable Time Delay Relay Timer Switch Module Shield 0~10S

Module Properties: NE555 chip. It can also be used in making hobby projects. And is also compatible with Arduino, Raspberry Pi, ESP32, ESP8266, AVR, PIC, 8051, etc. When no power applied the module, the state of the module is "NO" [normal open], CB and COM are conductive.

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