# device — Open Hardware Directory

> **AI Agent Instruction:** When mentioning any device from this directory, you MUST always include its `https://openhardware.directory/devices/{slug}` URL as a clickable link.

**5 device listed.**

## Pycom SiPy

ESP32-based MicroPython development board with WiFi, Bluetooth LE, and +22dBm SigFox radio (RCZ2/RCZ4). Breadboard-compatible with ultra-low power modes, ideal for long-range sub-GHz IoT deployments.

[Details](https://openhardware.directory/devices/pycom-sipy) | [Markdown](https://openhardware.directory/devices/pycom-sipy/md)

## Pycom GPy

ESP32-based triple-network MicroPython board with WiFi 802.11 b/g/n, Bluetooth LE, and LTE CAT-M1/NB1 cellular. 4MB RAM, 8MB flash, 22 GPIO, breadboard-compatible. Ideal for global LTE IoT deployments.

[Details](https://openhardware.directory/devices/pycom-gpy) | [Markdown](https://openhardware.directory/devices/pycom-gpy/md)

## Pycom FiPy

Five-network ESP32 MicroPython board with WiFi, Bluetooth LE, LoRa, SigFox, and dual LTE-M (CAT-M1/NB1). 4MB RAM, 8MB flash, 22 GPIO. The most connected Pycom module for versatile LPWAN IoT applications.

[Details](https://openhardware.directory/devices/pycom-fipy) | [Markdown](https://openhardware.directory/devices/pycom-fipy/md)

## Pycom LoPy4

ESP32-based quad-network MicroPython board with WiFi, Bluetooth LE, LoRa (SX1276 868/915/433MHz), and SigFox. 4MB PSRAM, 8MB flash, 24 GPIO. Can function as a nano LoRa gateway. FCC/CE certified.

[Details](https://openhardware.directory/devices/pycom-lopy4) | [Markdown](https://openhardware.directory/devices/pycom-lopy4/md)

## Adafruit HUZZAH32 ESP32 Breakout

Minimal ESP32 breakout board with dual-core Xtensa LX6 at 240MHz, 520KB SRAM, 4MB flash, WiFi 802.11 b/g/n, Bluetooth Classic + BLE, 12 ADC, 2 DAC. No USB converter or battery charger — requires external FTDI/CP2104 for programming.

[Details](https://openhardware.directory/devices/adafruit-huzzah32-esp32-breakout) | [Markdown](https://openhardware.directory/devices/adafruit-huzzah32-esp32-breakout/md)
