# 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.

**2 device listed.**

## Heltec HT-M00 Dual Channel LoRa Gateway

A compact, low-cost dual-channel LoRaWAN gateway based on ESP32 and dual SX1276 transceivers, designed for indoor LoRa coverage of 1500-2000 square meters with support for SF7-SF12 spreading factors and LoRaWAN Class A/C protocols.

[Details](https://openhardware.directory/devices/heltec-ht-m00) | [Markdown](https://openhardware.directory/devices/heltec-ht-m00/md)

## BigTreeTech ADXL345 V2.0 Accelerometer Board

RP2040-based ADXL345 accelerometer board for Klipper input shaping and resonance compensation on 3D printers. Connects via USB Type-C with ESD protection. Board size: 33.25 × 15.5mm.

[Details](https://openhardware.directory/devices/bigtreetech-adxl345-v2-0-accelerometer-board) | [Markdown](https://openhardware.directory/devices/bigtreetech-adxl345-v2-0-accelerometer-board/md)