Probe domestic switch needle KG-300K needle head diameter is 3.0mm normally open switch needle
Single chip microcomputer STM32L151CCU6
1206RGB (single)
MOS power IC full range
NE555BR6063DG6
48V20Ah Lithium Ion Battery,48V 20Ah Lithium Iron Electric Bicycle Battery,48V20Ah Electrict Scooter Battery,Lifepo4 Lithium Battery 48V20A
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