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0-10 second NE555 Timer Adjustable 12V Delay Module
0-10 second NE555 Timer Adjustable 12V Delay module Size: 6.8 CM * 2.1 CM The main chip: NE555 Working voltage: DC12V How ...
W1209 Temperature Controller with display relay
W1209 Temperature Controller with display relay
5V 2-Channel Relay Module Shield for Arduino, ARM, PIC, AVR, DSP
5V 2 Channel Relay Module Shield For Arduino ARM PIC AVR DSP