Models View all Heltec JW12 Active Balancer 16S LiFePO4 1 46 2 10-channel LoraWAN Gateway with Raspberry Pi and Dragino PG1301 22 170 0 Huawei E3531 GSM USB-Stick 3 91 0 Sensor connector M12 M16 4-pin male 12 898 4 Raspberry Pi GPIO Breakout board 4 190 0 Fan 30x30x8mm 5V 2-pin 32 1713 3 Work experience Boss Self Employee • May 2004 - present