LoRa MESH Radio Module - 433MHz Shipping:1 day The BlackBoard from SparkFun is

The BlackBoard from SparkFun is everything you need in an Arduino Uno with many extra perks

including: LPD8806

7 lipo battery no matter it is packed with protection circuits or not

Repeat this process for the three remaining screws

LoRa MESH Radio Module - 433MHz Shipping:1 day The BlackBoard from SparkFun isLoRa MESH Radio Module is a high performance, low power, long range micro power RF module, using a distributed ad hoc network communication mode, embedded wireless MESH MANET protocols, users do not need to do anything modified to present devices, protocols , nor need for secondary development to module, but can easily implement wireless ad hoc networks. RF chip module technology based on spread spectrum frequency hopping, spread spectrum calculations