Users Manual
http://heltec.taobao.com 
www.heltec.cn 
Technical Data 
V1.0 
P 2 / 9 
dec 2018 
HelTec Automation © Limited standard files 
1. Introduction 
The Wireless Stick is an Arduino compatible network development board (LoRa, WiFi, 
Bluetooth).  With  ultra  mini  size,  fit  in  a  standard  breadboard  (with),  A  tiny  64*32 
OLED display and Lithium Battery Management (with SH1.25-2P socket) system also 
assembled on board. It’s the best choose for your IoT project development. 
The Wireless Stick had well matched RF circuit, provide good and stable RF signal. We 
also provide an Arduino library for LoRaWAN stack, makes it can directly connect to 
any standard LoRa gateway via LoRaWAN protocol. 
The main control chip of this product is Xtensa LX6 32bit dual core processor: ESP32. 
a powerful CPU, provide BLE and state of the art WiFi radio. 










