1PCS 1/2/3/4/6/7/8S lithium batteries electricity meter displays three series of lithium battery LED module board

50PCS Sharing 3MM red green double color Yang Yin fog LED light-emitting diodes, light bead Gao Liangsan feet

1PCS Miniature SR602 human body induction module pyroelectric infrared sensor probe human body switch high sensitivity

1PCS HC-SR505 mini small die human body induction module induction fast mini body induction switch

1PCS Relay contact RC absorption circuit protection circuit module electromagnetic anti-interference module

1PCS HTU21D temperature and humidity sensor module instead of simple SHT15 high-precision sensors

2PCS RCWL-0515 microwave radar inductive switch module human body induction module intelligent sensing detector

1PCS JDY-18 bluetooth module 4.2 high-speed passthrough BLE master-slave super CC2541

2PCS Two-way dc motor driver module and reversing PWM speed control stepping motor driver L298 mini dual H bridge

1PCS JDY-25M bluetooth 5.0 MESH network BLE zigbee wireless data transceiver module master-slave passthrough

1PCS Wide voltage 5V- 30V trigger delay switch delay relay module timer module

2PCS Ps2 mouse and keyboard module ps2 socket