# 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. **17 device listed.** ## PicoGlitcher V3 Open-source voltage glitching tool for hardware security research, based on Raspberry Pi Pico 2 (RP2350) with dual high-power MOSFETs, 4 selectable voltage levels, and adjustable Schmitt trigger inputs. [Details](https://openhardware.directory/devices/picoglitcher-v3) | [Markdown](https://openhardware.directory/devices/picoglitcher-v3/md) ## Blue Pill STM32F103C8T6 Popular low-cost development board based on the STM32F103C8T6 ARM Cortex-M3 microcontroller running at 72 MHz. Features 64 KB flash, 20 KB SRAM, and extensive peripheral support for embedded development. [Details](https://openhardware.directory/devices/blue-pill-stm32) | [Markdown](https://openhardware.directory/devices/blue-pill-stm32/md) ## WiFi Devboard for Flipper Zero ESP32-S2-based WiFi development board for Flipper Zero enabling wireless firmware updates, Black Magic Probe debugging over USB and WiFi, and WiFi pentesting with PMKID capture and deauth capabilities. [Details](https://openhardware.directory/devices/flipper-zero-wifi-devboard) | [Markdown](https://openhardware.directory/devices/flipper-zero-wifi-devboard/md) ## Gnat LoRa+GNSS Asset Tracker Ultra-small (20x20mm), ultra-low-power LoRa/LoRaWAN + concurrent GNSS asset tracker by Tlera Corp, built on the Murata CMWX1ZZABZ-078 module with STM32L082 MCU, SX1276 LoRa radio, u-blox MAX-M8Q GNSS, and LIS2DW12 accelerometer. [Details](https://openhardware.directory/devices/gnat-loragnss-asset-tracker) | [Markdown](https://openhardware.directory/devices/gnat-loragnss-asset-tracker/md) ## Grasshopper LoRaWAN Development Board Ultra-compact 18x45mm LoRaWAN development board from Tlera Corp featuring Murata's FCC-certified CMWX1ZZABZ-078 module with STM32L082 Cortex-M0+ MCU and SX1276 LoRa radio, drawing just 2 uA in stop mode. [Details](https://openhardware.directory/devices/grasshopper-lorawan-development-board) | [Markdown](https://openhardware.directory/devices/grasshopper-lorawan-development-board/md) ## makerdiary nRF52840-MDK USB Dongle Open-source multi-protocol wireless USB dongle based on the Nordic nRF52840 SoC. Supports BLE 5.4, Thread, Zigbee, 802.15.4, NFC, and USB 2.0 with UF2 drag-and-drop bootloader. Priced at $12.99. [Details](https://openhardware.directory/devices/makerdiary-nrf52840-mdk-usb-dongle) | [Markdown](https://openhardware.directory/devices/makerdiary-nrf52840-mdk-usb-dongle/md) ## Waveshare RP2040-GEEK A compact USB-A development board and debugging tool built around the RP2040 dual-core Cortex-M0+ MCU, featuring a 1.14-inch IPS LCD, microSD card slot, and exposed SWD, UART, and I2C connectors for programming ARM microcontrollers. [Details](https://openhardware.directory/devices/waveshare-rp2040-geek) | [Markdown](https://openhardware.directory/devices/waveshare-rp2040-geek/md) ## Adafruit Metro M7 with microSD High-performance Arduino-compatible board powered by the NXP iMX RT1011 Cortex-M7 at 500 MHz, with 8MB QSPI flash, microSD slot, STEMMA QT, and USB-C. [Details](https://openhardware.directory/devices/adafruit-metro-m7) | [Markdown](https://openhardware.directory/devices/adafruit-metro-m7/md) ## Adafruit Metro RP2040 Arduino-Uno-compatible development board powered by the RP2040 with 16MB QSPI flash, microSD slot, STEMMA QT, onboard NeoPixel, USB-C, and an RX/TX switch for serial flexibility. [Details](https://openhardware.directory/devices/adafruit-metro-rp2040) | [Markdown](https://openhardware.directory/devices/adafruit-metro-rp2040/md) ## Adafruit Metro RP2350 Arduino-Uno-compatible board with RP2350, dual ARM Cortex-M33 at 150 MHz, 520KB SRAM, 16MB QSPI flash, microSD, HSTX port, 23 GPIO on headers, NeoPixel, STEMMA QT, and USB-C. [Details](https://openhardware.directory/devices/adafruit-metro-rp2350) | [Markdown](https://openhardware.directory/devices/adafruit-metro-rp2350/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 CubeCell AB01 Dev-Board (V2) Ultra-low power LoRa/LoRaWAN development board based on the ASR6502 SiP (ARM Cortex-M0+ @ 48MHz + SX1262), with USB-C, solar panel support, and 3.5uA deep sleep current. Ideal for remote environmental sensing and battery-powered IoT nodes. [Details](https://openhardware.directory/devices/heltec-cubecell-ab01-v2) | [Markdown](https://openhardware.directory/devices/heltec-cubecell-ab01-v2/md) ## Heltec CubeCell 1/2AA Node (HTCC-AB02A) Ultra-low-power LoRa/LoRaWAN development node based on the ASR6502 SoC (ARM Cortex-M0+ @ 48MHz + SX1262), with a built-in 1/2AA battery holder, 3.5uA deep sleep, and Arduino compatibility. Ideal for remote sensor deployments. [Details](https://openhardware.directory/devices/heltec-cubecell-htcc-ab02a) | [Markdown](https://openhardware.directory/devices/heltec-cubecell-htcc-ab02a/md) ## Heltec CubeCell GPS-6502 (HTCC-AB02S) LoRa + GPS development board based on ASR6502 SiP (ARM Cortex-M0+ with SX1262), featuring integrated AIR530Z GPS/BeiDou module, 0.96" OLED display, solar charging, and ultra-low 21uA deep sleep current for long-range IoT tracking applications. [Details](https://openhardware.directory/devices/heltec-cubecell-gps-6502-htcc-ab02s) | [Markdown](https://openhardware.directory/devices/heltec-cubecell-gps-6502-htcc-ab02s/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) ## CubeCell Dev-Board Plus (HTCC-AB02) Heltec CubeCell HTCC-AB02 is an ultra-low-power LoRa/LoRaWAN development board based on the ASR6502 SoC (ARM Cortex-M0+ with integrated SX1262), featuring a 0.96" OLED display, solar panel input, and lithium battery management. Ideal for long-range IoT sensor nodes and agricultural monitoring. [Details](https://openhardware.directory/devices/heltec-cubecell-htcc-ab02) | [Markdown](https://openhardware.directory/devices/heltec-cubecell-htcc-ab02/md) ## Heltec LoRa Kit 151 Ultra-low-power LoRaWAN development kit based on STM32L151CBU6 ARM Cortex-M3 MCU and Semtech SX1278 LoRa transceiver, with 6uA deep sleep current, integrated battery management, and CE certification. [Details](https://openhardware.directory/devices/heltec-lora-kit-151) | [Markdown](https://openhardware.directory/devices/heltec-lora-kit-151/md)