low power

February 12, 2026

Designed by SlimeVR in Rotterdam, Netherlands, the SlimeVR Butterfly Trackers are open-hardware, IMU-based, ultra-slim, full-body VR trackers designed…

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LILYGO T-Echo Plus - A LoRa communicator for hiking cycling

December 19, 2025

The LILYGO T-Echo Plus is another off-grid LoRa communicator, similar to Blackout Comms, ThinkNode M2, and Wio Tracker…

MMobile

November 27, 2025

While searching AliExpress, I found the WiFi LoRa 32 (V4) shell set, another ESP32-S3-based off-grid LoRa/Meshtastic communicator designed…

MMobile

LILYGO T-Lora Pager (LoRa + ESP32 S3 handheld LoRa text messaging device)

August 12, 2025

LILYGO T-LoRa Pager is an ESP32-S3-based IoT handheld device that comes in an old pager form factor but…

SlimeVR Butterfly Trackers – nRF52833-based, ultra-slim, full-body VR trackers offer up to 48h battery life (Crowdfunding)

LILYGO T-Echo Plus off-grid LoRa communicator features a climbing hook for hiking, cycling, and remote communication

Heltec WiFi LoRa 32 (V4) – An ESP32-S3 off-grid LoRa/Meshtastic communicator with solar input, GNSS, and 28dBm Tx Power

LILYGO T-LoRa Pager is an ESP32-S3 handheld with support for text messaging, AI motion detection, and NFC