# 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.

**34 device listed.**

## A4988 Stepper Motor Driver Module

Allegro A4988-based stepper motor driver module with microstepping up to 1/16 step, handling up to 2A per coil. Includes heatsink. Essential for 3D printers, CNC machines, and precision robotics.

[Details](https://openhardware.directory/devices/a4988-stepper-motor-driver) | [Markdown](https://openhardware.directory/devices/a4988-stepper-motor-driver/md)

## TP4056 Charge Controller Module

Li-Ion/LiPo battery charging module based on the TP4056 IC with built-in battery protection circuit. Mini USB 5V input, 1A charging current. Essential for portable and battery-powered IoT projects.

[Details](https://openhardware.directory/devices/tp4056-charge-controller) | [Markdown](https://openhardware.directory/devices/tp4056-charge-controller/md)

## DFRobot Solar Power Manager for 12V Lead-Acid Battery

DFRobot solar energy harvesting and battery management module with MPPT for 12V lead-acid batteries. Designed for outdoor IoT deployments, environmental monitoring stations, and off-grid solar-powered systems.

[Details](https://openhardware.directory/devices/dfrobot-solar-power-manager) | [Markdown](https://openhardware.directory/devices/dfrobot-solar-power-manager/md)

## RFID RC522 Kit

NXP MFRC522-based 13.56MHz RFID reader/writer kit with SPI interface, including reader module, MIFARE 1K card, and key fob. Ideal for access control and identification projects.

[Details](https://openhardware.directory/devices/rfid-rc522-kit) | [Markdown](https://openhardware.directory/devices/rfid-rc522-kit/md)

## LoRa A39-T230A30D1a SX1262 Module

Long-range LoRa transceiver module with Semtech SX1262, UART interface, 1W output power, and up to 16km range at 210-241MHz. Ideal for remote telemetry and agricultural IoT.

[Details](https://openhardware.directory/devices/lora-a39-module) | [Markdown](https://openhardware.directory/devices/lora-a39-module/md)

## DFRobot Gravity Flexible RGB LED Matrix

Flexible addressable RGB LED matrix panel with I2C control and Gravity connector, available in 8x8, 8x32, and 16x16 configurations for visual displays and lighting projects.

[Details](https://openhardware.directory/devices/dfrobot-gravity-rgb-led-matrix) | [Markdown](https://openhardware.directory/devices/dfrobot-gravity-rgb-led-matrix/md)

## FT232 USB to TTL Serial Adapter

FTDI FT232RL-based USB-to-TTL serial adapter with selectable 3.3V/5V logic, 6-pin header, and full modem signals. Essential tool for programming Arduino, ESP8266, and other MCUs.

[Details](https://openhardware.directory/devices/ft232-usb-to-ttl) | [Markdown](https://openhardware.directory/devices/ft232-usb-to-ttl/md)

## DFRobot Pan-Tilt HAT

2-axis servo-driven pan-tilt platform HAT for Raspberry Pi and NVIDIA Jetson Nano, ideal for camera tracking, FPV, and robotics head movement projects.

[Details](https://openhardware.directory/devices/dfrobot-pan-tilt-hat) | [Markdown](https://openhardware.directory/devices/dfrobot-pan-tilt-hat/md)

## nRF24L01 2.4GHz Wireless Module

Nordic nRF24L01+ 2.4GHz wireless transceiver module with SPI interface, 2Mbps data rate, 126 channels, and up to 100m range. Popular choice for Arduino and Raspberry Pi wireless sensor networks.

[Details](https://openhardware.directory/devices/nrf24l01-wireless-module) | [Markdown](https://openhardware.directory/devices/nrf24l01-wireless-module/md)

## DFPlayer Mini MP3 Module

Compact MP3/WAV/WMA audio player module with microSD slot, UART serial control, and built-in 3W amplifier — one of the most popular audio modules for Arduino and IoT projects.

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

## M5Stack GPS Module V2.1

ATGM336H-based GPS/GNSS module supporting GPS, BeiDou, Galileo, GLONASS with external active antenna, DIP switch for TX/RX config, and PPS output.

[Details](https://openhardware.directory/devices/m5stack-gps-module-v21) | [Markdown](https://openhardware.directory/devices/m5stack-gps-module-v21/md)

## WS2812B RGB LED Ring (12-Bit, 50mm)

12-LED addressable WS2812B RGB ring in a 50mm form factor, running on 5V with single-wire data control — perfect for status indicators, wearables, and visual effects.

[Details](https://openhardware.directory/devices/ws2812b-rgb-led-ring) | [Markdown](https://openhardware.directory/devices/ws2812b-rgb-led-ring/md)

## Waveshare DDSM115 Direct Drive Servo Motor

All-in-one 115 RPM direct drive servo hub motor with RS485 control, 4096-position encoder, and IP54 rating — designed for robotics, AGVs, and precision motion applications.

[Details](https://openhardware.directory/devices/waveshare-ddsm115) | [Markdown](https://openhardware.directory/devices/waveshare-ddsm115/md)

## Waveshare DDSM315 Direct Drive Servo Motor

High-speed 315 RPM direct drive servo motor with RS485 bus, 12-bit encoder, and IP54 waterproof rating — ideal for RC cars, mobile robots, and DIY robotics platforms.

[Details](https://openhardware.directory/devices/waveshare-ddsm315) | [Markdown](https://openhardware.directory/devices/waveshare-ddsm315/md)

## Holybro M10 GPS

u-blox M10 GPS module with IST8310 compass for Pixhawk flight controllers. Supports GPS, GLONASS, Galileo, and BeiDou constellations with onboard safety switch, buzzer, and LED indicator.

[Details](https://openhardware.directory/devices/holybro-m10-gps) | [Markdown](https://openhardware.directory/devices/holybro-m10-gps/md)

## VoltLink CP2102N

Open source USB-to-serial adapter and ESP32 programmer featuring a genuine Silabs CP2102N chip, USB-C connector, auto-reset circuitry, 3.3V 500mA regulator, and ESD/overcurrent protection.

[Details](https://openhardware.directory/devices/voltlink-cp2102n) | [Markdown](https://openhardware.directory/devices/voltlink-cp2102n/md)

## LuckFox Core3506

Tiny 32x32mm Rockchip RK3506B core module with tri-core ARM Cortex-A7 + Cortex-M0, 512MB DDR3L, optional 8GB eMMC, dual 100M Ethernet RMII, MIPI DSI 2-lane, 4-ch ADC, CAN bus, and 120-pin castellated holes. Supports Linux, RTOS, and bare-metal via AMP.

[Details](https://openhardware.directory/devices/waveshare-luckfox-core3506) | [Markdown](https://openhardware.directory/devices/waveshare-luckfox-core3506/md)

## LuckFox Core1106

Compact 30x30mm Rockchip RV1106 compute module with ARM Cortex-A7, up to 1 TOPS NPU, 5MP ISP, 256MB DDR3L, 8GB eMMC, optional WiFi 6 and BLE 5.2, dual MIPI CSI camera inputs, and 112 castellated holes. Designed for vision AI and IoT integration.

[Details](https://openhardware.directory/devices/waveshare-luckfox-core1106) | [Markdown](https://openhardware.directory/devices/waveshare-luckfox-core1106/md)

## LuckFox Core3576 Module

Rockchip RK3576 SO-DIMM compute module with octa-core A72+A53, 6 TOPS NPU, Mali G52 GPU, up to 8GB LPDDR4X, 64GB eMMC, triple display output (HDMI 2.1 + eDP + MIPI DSI), triple camera input, dual Gigabit Ethernet, PCIe 2.1, and 260-pin connector. Module-only for custom carrier board integration.

[Details](https://openhardware.directory/devices/waveshare-luckfox-core3576-module) | [Markdown](https://openhardware.directory/devices/waveshare-luckfox-core3576-module/md)

## ESP32-C6-WROOM-1-N4 Module

Espressif ESP32-C6 WROOM module with 4MB flash and PCB antenna, supporting Wi-Fi 6 (802.11ax), Bluetooth 5 LE, Zigbee 3.0, and Thread — for soldering onto custom IoT hardware.

[Details](https://openhardware.directory/devices/esp32-c6-wroom-1-n4) | [Markdown](https://openhardware.directory/devices/esp32-c6-wroom-1-n4/md)

## ESP32-C6-WROOM-1-N8 Module

Espressif ESP32-C6 WROOM module with 8MB flash and PCB antenna, supporting Wi-Fi 6 (802.11ax), Bluetooth 5 LE, Zigbee 3.0, and Thread — for soldering onto custom IoT hardware.

[Details](https://openhardware.directory/devices/esp32-c6-wroom-1-n8) | [Markdown](https://openhardware.directory/devices/esp32-c6-wroom-1-n8/md)

## ESP32-H2-MINI-1 Module

Espressif ESP32-H2 MINI module with 4MB flash and PCB antenna, supporting Bluetooth 5 LE, Zigbee 3.0, Thread, and Matter — a compact bare module for custom PCB designs without Wi-Fi.

[Details](https://openhardware.directory/devices/esp32-h2-mini-1) | [Markdown](https://openhardware.directory/devices/esp32-h2-mini-1/md)

## ESP32-S2-WROVER Module

Bare WiFi module with Espressif ESP32-S2 single-core Xtensa LX7 @ 240MHz, 4MB Flash, 2MB PSRAM, 802.11b/g/n, native USB 1.1 OTG, and SMD pads. Intended for integration onto custom PCBs, not a standalone dev board.

[Details](https://openhardware.directory/devices/esp32-s2-wrover-module) | [Markdown](https://openhardware.directory/devices/esp32-s2-wrover-module/md)

## ESP32-S2-WROVER-I Module with uFL

Bare WiFi module with ESP32-S2 Xtensa LX7 @ 240MHz, 4MB Flash, 2MB PSRAM, 802.11b/g/n, native USB OTG, and a uFL connector for an external antenna. Drop-in variant of the WROVER for improved RF range.

[Details](https://openhardware.directory/devices/esp32-s2-wrover-i-module-with-ufl) | [Markdown](https://openhardware.directory/devices/esp32-s2-wrover-i-module-with-ufl/md)

## Pycom WiPy 3.0

ESP32-based MicroPython IoT module with 802.11b/g/n WiFi, Bluetooth LE and Classic, 8MB flash, 4MB RAM, and ultra-low power ULP co-processor for deep-sleep GPIO monitoring at 25 µA.

[Details](https://openhardware.directory/devices/pycom-wipy-30) | [Markdown](https://openhardware.directory/devices/pycom-wipy-30/md)

## Pycom LoPy 1.0

ESP32-based MicroPython module combining 802.11b/g/n WiFi, Bluetooth, and LoRa/LoRaWAN (868/915 MHz) in one board. Can act as a nano LoRa gateway and is 100% Python programmable for multi-protocol IoT deployments.

[Details](https://openhardware.directory/devices/pycom-lopy-10) | [Markdown](https://openhardware.directory/devices/pycom-lopy-10/md)

## Heltec Wireless Shell V3

Ultra-compact ESP32-S3 + SX1262 LoRa module with stamp-hole design for direct PCB integration, supporting WiFi, BLE 5, and LoRa at 470-928MHz with deep sleep current under 10uA.

[Details](https://openhardware.directory/devices/heltec-wireless-shell-v3) | [Markdown](https://openhardware.directory/devices/heltec-wireless-shell-v3/md)

## Heltec CubeCell AM02 Module Plus

Ultra-compact LoRa/LoRaWAN module based on the ASR6502 SoC (ARM Cortex-M0+ @ 48MHz + SX1262), designed for SMT integration into custom IoT sensor nodes with 3.5uA deep sleep current.

[Details](https://openhardware.directory/devices/heltec-cubecell-am02-module-plus) | [Markdown](https://openhardware.directory/devices/heltec-cubecell-am02-module-plus/md)

## Heltec HT-CT62

Ultra-compact ESP32-C3 + SX1262 LoRa/LoRaWAN module with WiFi and BLE, designed for SMT integration into IoT devices. Features 10uA deep sleep, +21dBm TX power, and Meshtastic compatibility in a tiny 17.78mm stamp-hole package.

[Details](https://openhardware.directory/devices/heltec-ht-ct62) | [Markdown](https://openhardware.directory/devices/heltec-ht-ct62/md)

## CubeCell AM01 Module V2 (HTCC-AM01)

Ultra-compact 18x18mm LoRa/LoRaWAN module based on the ASR6502 SiP with integrated ARM Cortex-M0+ MCU and Semtech SX1262 transceiver. Features 3.5uA deep sleep, Arduino compatibility, and CE/FCC certification. Designed for SMT integration into custom IoT sensor nodes.

[Details](https://openhardware.directory/devices/heltec-cubecell-am01-v2) | [Markdown](https://openhardware.directory/devices/heltec-cubecell-am01-v2/md)

## Arduino Nicla Voice

Tiny 22.86mm AI voice module with nRF52840 BLE 5.0, Syntiant NDP120 neural decision processor, MEMS microphone, 6-axis IMU, and magnetometer — runs always-on voice recognition and audio anomaly detection at ultra-low power.

[Details](https://openhardware.directory/devices/arduino-nicla-voice) | [Markdown](https://openhardware.directory/devices/arduino-nicla-voice/md)

## Arduino Nicla Vision

Tiny 22.86mm AI vision module with STM32H747 dual-core Cortex-M7/M4, 2MP camera, WiFi/BLE, 6-axis IMU, microphone, and time-of-flight sensor — runs TinyML image recognition and OpenMV/MicroPython at the edge.

[Details](https://openhardware.directory/devices/arduino-nicla-vision) | [Markdown](https://openhardware.directory/devices/arduino-nicla-vision/md)

## Arduino Nicla Sense ME

Compact 22.86mm sensor module with nRF52840 BLE 5.0 and four Bosch sensors — 9-axis IMU with AI, barometric pressure, temperature/humidity, and gas/CO2 detection. Edge AI-powered environmental and motion sensing in a coin-sized package.

[Details](https://openhardware.directory/devices/arduino-nicla-sense-me) | [Markdown](https://openhardware.directory/devices/arduino-nicla-sense-me/md)

## Pine64 PineNut Model-01S

Ultra-compact BL602 RISC-V WiFi+BLE5 IoT module in ESP-01S form factor with 8-pin through-hole header. Features 276KB SRAM, 2MB flash, onboard RGB LED, and PCB antenna. Supports Arduino, NuttX, FreeRTOS, and OpenBeken firmware. Priced from $1.99.

[Details](https://openhardware.directory/devices/pine64-pinenut-01s) | [Markdown](https://openhardware.directory/devices/pine64-pinenut-01s/md)