Features 5VDC two channels relay interface board From our tests, the control signal is 3.3V compatible, yet the VCC needs to be 5VDC. So you can use […]
POWERFUL ENERGY- PKCELL 9V 6F22 Batteries with ultra long-lasting power,and a long service life also means the battery should be changed at a lower frequency than […]
This is very affordable small fan for small motor such as toy 3V motor.
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