4S 40A Balance Li-ion Lithium Battery Protection Board 18650 PCB BMS

Specification: Brand new Size: approx. 21.5*11.8*22.7mm Operating Speed: 0.12second/ 60degree ( 4.8V no load) Stall Torque: 1.2kg / 42.3oz(4.8V); 1.6

Product Description This Radio Transmitter & Receiver pair is great for adding a wireless link to your projects. Allow you

1. Descriptions of RF Transceiver Module RFM96W:   The  RFM96W transceivers  feature  the  LoRaTM  long range modem that provides ultra-long range spread

Description: The kit includes one pair of transmitter and receiver modules and one pair of spring antennas for increasing the