# 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.

**4 device listed.**

## Heltec MeshSolar

Solar-powered nRF52840 + SX1262 LoRa dev board with integrated BMS supporting 1-4 cell lithium batteries, MPPT solar charging, and USB PD3.0. Designed for Meshtastic solar nodes.

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

## Heltec MeshTower

High-power Meshtastic relay/repeater kit with nRF52840 + SX1262 LoRa, 18V/10W solar panel, 3x2800mAh battery pack, IP66 aluminum enclosure, and 5.5dBi fiberglass antenna.

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

## Heltec HT-DE01 Multi Size E-Ink Drive Board

A compact universal e-ink driver board based on ESP32-S3FN8 with WiFi and Bluetooth connectivity, 24-pin FFC interface compatible with most e-ink displays, USB-C and LiPo battery support, and Arduino development environment.

[Details](https://openhardware.directory/devices/heltec-ht-de01) | [Markdown](https://openhardware.directory/devices/heltec-ht-de01/md)

## Heltec Capsule Sensor V3

Ultra-compact IP65 waterproof LoRa sensor capsule with ESP32-S3, SX1262 LoRa, GNSS, temperature/humidity, barometric pressure, and 3-axis accelerometer. Meshtastic-compatible with 250mAh battery and over 1 year battery life.

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