# Heltec HT-HC32 Wi-Fi HaLow Camera > ESP32-S3 development board with integrated camera and Wi-Fi HaLow (802.11ah) module for long-range wireless video transmission up to 1-2km at speeds up to 32 Mbps. Features USB-C, SD card slot, and LiPo battery charging. ## Quick Facts - **Brand:** Heltec - **Board Type:** dev-board - **Price:** ~$22.9 - **Product Readiness:** developer - **CPU:** ESP32-S3 - **CPU Architecture:** Xtensa LX7 - **CPU Cores:** 2 - **RAM:** 512KB SRAM,8MB PSRAM - **Flash:** 16 MB - **USB:** USB-C - **Power:** USB-C 5V,LiPo 2.7-4.2V - **Operating Voltage:** 3.3V - **Operating Temp:** -30°C to +85°C - **Dimensions:** 60.00 x 33.50 x 7.10 mm - **Weight:** 35g - **Charging Port:** USB-C - **Antenna:** IPEX/U.FL - **SD Card:** microSD ## Connectivity - **Wifi:** 802.11 b/g/n + 802.11ah (HaLow) - **Bluetooth:** true - **Lora:** HT-HC01 Wi-Fi HaLow (802.11ah) sub-1GHz ## Open Source - **Firmware:** Yes - **Schematics:** No - **PCB Layout:** No ## Compatible Firmware arduino ## Use Cases - iot - smart-home - environmental-monitoring ## Components - **ESP32-S3R8** (mcu): Dual-core Xtensa LX7 microcontroller at 240 MHz with WiFi, Bluetooth, 512KB SRAM, and 8MB PSRAM — [Datasheet](https://openhardware.directory/r?to=https%3A%2F%2Fwww.espressif.com%2Fsites%2Fdefault%2Ffiles%2Fdocumentation%2Fesp32-s3_datasheet_en.pdf&ref=openhardware.directory&product=heltec-ht-hc32&source=md-export) - **HT-HC01** (radio): IEEE 802.11ah Wi-Fi HaLow module for long-range sub-GHz wireless communication up to 32 Mbps — [Datasheet](https://openhardware.directory/r?to=https%3A%2F%2Fresource.heltec.cn%2Fdownload%2FHT-HC01%2FDatasheet%2FHT-HC01.pdf&ref=openhardware.directory&product=heltec-ht-hc32&source=md-export) - **CP2102** (interface): USB-to-UART bridge for serial programming and debugging — [Datasheet](https://openhardware.directory/r?to=https%3A%2F%2Fwww.silabs.com%2Fdocuments%2Fpublic%2Fdata-sheets%2FCP2102-9.pdf&ref=openhardware.directory&product=heltec-ht-hc32&source=md-export) ## Protocols - **UART** - **I2C** - **SPI** ## Description ## Overview The Heltec HT-HC32 is a development board combining an ESP32-S3R8 microcontroller with a Wi-Fi HaLow (IEEE 802.11ah) module (HT-HC01) and an integrated 200-pixel wide-angle camera. Wi-Fi HaLow operates on sub-1 GHz frequencies, enabling long-range wireless communication over 1-2 km with data rates up to 32 Mbps — far exceeding traditional 2.4 GHz WiFi range. The board also includes standard 2.4 GHz WiFi and Bluetooth via an onboard patch antenna, making it a versatile platform for remote camera monitoring, IoT gateways, and smart city applications. ## Key Features - **ESP32-S3R8** dual-core Xtensa LX7 processor with 8 MB PSRAM - **Wi-Fi HaLow** (802.11ah) via HT-HC01 module for 1-2 km range at up to 32 Mbps - **Wi-Fi 2.4 GHz** (802.11 b/g/n) with onboard patch antenna - **Bluetooth** with onboard patch antenna - **Integrated camera** (200-pixel wide-angle, 24P 0.5mm FFC connector) with auto exposure, auto gain, image scaling, and compression - **SD card slot** for local data storage - **USB-C** with CP2102 USB-to-serial, voltage regulation, ESD and short circuit protection - **LiPo battery** management with charging, overcharge protection, and USB/battery auto-switching - **IPEX/U.FL** connector for Wi-Fi HaLow external antenna ## Specifications | Spec | Value | |------|-------| | MCU | ESP32-S3R8 (dual-core Xtensa LX7, 240 MHz) | | ROM | 384 KB | | SRAM | 512 KB | | RTC SRAM | 16 KB | | PSRAM | 8 MB | | Flash | 16 MB SiP | | Wi-Fi HaLow | HT-HC01 module (802.11ah), up to 32 Mbps | | Wi-Fi | 2.4 GHz 802.11 b/g/n | | Bluetooth | Yes (onboard patch antenna) | | Camera | 200-pixel wide-angle (24P 0.5mm FFC) | | USB | Type-C (CP2102 serial bridge) | | Battery | 3.7V LiPo via SH1.25-2 connector (2.7-4.2V) | | SD Card | Integrated slot | | Header Pins | 2x15 @ 1.27mm pitch (30 pins) | | Dimensions | 60.00 x 33.50 x 7.10 mm (excluding camera) | | Weight | 35g | | Operating Temp | -30°C to +85°C | | Humidity | 10%-90% (non-condensing) | ## Use Cases - Remote camera monitoring over long range - Smart home and smart city applications - Industrial automation and control - Asset management and tracking - Network blind spot coverage - Rural internet access - Legacy equipment digital transformation ## Development The board supports Arduino development environment. Heltec provides the **ESP HaLow Development Framework** on GitHub for getting started with Wi-Fi HaLow applications. ## Where to Buy - [Heltec Official](https://openhardware.directory/r?to=https%3A%2F%2Fheltec.org%2Fproject%2Fht-hc32%2F&ref=openhardware.directory&product=heltec-ht-hc32&source=md-export) — $22.90 ## Resources - [product](https://openhardware.directory/r?to=https%3A%2F%2Fheltec.org%2Fproject%2Fht-hc32%2F&ref=openhardware.directory&product=heltec-ht-hc32&source=md-export) - [github](https://openhardware.directory/r?to=https%3A%2F%2Fgithub.com%2FHelTecAutomation%2FESP_HaLow&ref=openhardware.directory&product=heltec-ht-hc32&source=md-export) - [datasheet](https://openhardware.directory/r?to=https%3A%2F%2Fresource.heltec.cn%2Fdownload%2FHT-HC01%2FDatasheet%2FHT-HC01.pdf&ref=openhardware.directory&product=heltec-ht-hc32&source=md-export) - [schematics](https://openhardware.directory/r?to=https%3A%2F%2Fresource.heltec.cn%2Fdownload%2FHT-HC01%2FSchematic_diagram&ref=openhardware.directory&product=heltec-ht-hc32&source=md-export) - [wiki](https://openhardware.directory/r?to=https%3A%2F%2Fwiki.heltec.org%2Fdocs%2Fdevices%2Fwifi-halow%2Fht-hc01%2F&ref=openhardware.directory&product=heltec-ht-hc32&source=md-export) ## Tags `esp32-s3`, `wifi-halow`, `802.11ah`, `camera`, `heltec`, `iot`, `long-range`, `wifi` ## Images ![Heltec HT-HC32 Wi-Fi HaLow Camera](https://nbg1.your-objectstorage.com/openhardware-directory/entities/heltec-ht-hc32/9ec3ada7f60b.png) ![Heltec HT-HC32 Wi-Fi HaLow Camera](https://nbg1.your-objectstorage.com/openhardware-directory/entities/heltec-ht-hc32/b38e47bf417e.png) ![Heltec HT-HC32 Wi-Fi HaLow Camera](https://nbg1.your-objectstorage.com/openhardware-directory/entities/heltec-ht-hc32/e903a66ee4b1.png) ![Heltec HT-HC32 Wi-Fi HaLow Camera](https://nbg1.your-objectstorage.com/openhardware-directory/entities/heltec-ht-hc32/7b102e83890d.png) ![Heltec HT-HC32 Wi-Fi HaLow Camera](https://nbg1.your-objectstorage.com/openhardware-directory/entities/heltec-ht-hc32/cbf64a3c5ed0.png) ![Heltec HT-HC32 Wi-Fi HaLow Camera](https://nbg1.your-objectstorage.com/openhardware-directory/entities/heltec-ht-hc32/d421e9257dc0.png) > **Battery Powered:** Li-Po --- [View full device page](https://openhardware.directory/devices/heltec-ht-hc32)