Heltec Automation specializes in IoT development boards, LoRa/Meshtastic nodes, and lithium battery testing equipment for developers and industrial applications.
Heltec Automation (Chengdu Heltec Automation Technology Co., Ltd.) is a manufacturer and solutions provider focusing on the Internet of Things (IoT) and electronic testing equipment. Based in Chengdu, China, the company is widely recognized in the maker and open-source communities for its range of ESP32 and STM32-based development boards, particularly those featuring integrated LoRa transceivers and OLED displays. These devices are popular for projects involving Meshtastic, LoRaWAN, and long-range wireless communication.
In addition to wireless development tools, Heltec Energy (a division of the company) produces professional-grade battery management and testing solutions. Their portfolio includes high-precision lithium battery charge/discharge testers, equalization repair instruments, and spot welding machines used in battery pack assembly and maintenance. Heltec combines R&D, manufacturing, and sales to support both individual hobbyists and industrial clients.
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Resources, including ESP32 Arduino libraries, LoRaWAN stacks, and USB-to-UART drivers (CP2102), are available on the official resource station at resource.heltec.cn.
Most Heltec development boards feature an onboard 'RST' button. Pressing this button momentarily will reset the device. For Meshtastic devices, specific button combinations may trigger different modes.
Heltec testers (like the HT-ED50AC8) typically support various chemistries including Lithium Iron Phosphate (LiFePO4), Ternary Lithium, Lithium Cobalt Oxide, and NiMH batteries, provided they fall within the voltage and current ranges of the specific model.
Yes, the onboard 0.96-inch OLED displays on Heltec ESP32/LoRa boards are fully programmable and can be used to display debugging info, battery status, or network data using standard Arduino libraries.
You can reach Heltec technical support via email at support@heltec.cn or echo@heltec.cn. For warranty inquiries, visit the warranty section on their official websíða.