ESP329 projects
ESP32 Preparedness Projects
Builds for power, internet and phone outages: off-grid LoRa texting to people nearby, power-cut alerts, UPS monitoring and a freezer alarm. Built with ESP32.
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ESP32
Open firmware that makes cheap LoRa boards into an off-grid encrypted text mesh, paired with your phone.
Beginner·Code
4 parts listed
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ESP32ESP32-S3
A standalone LoRa pager with full QWERTY keyboard, color display, and Meshtastic firmware—no phone pairing required.
Beginner·Code
1 part listed
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ESP32ESP32-S3
Firmware for a cheap ESP32 LoRa board that relays the #mesh channel between Bitchat's Bluetooth phone mesh and a MeshCore LoRa network, both ways.
Beginner
4 parts listed
Illustration
ESP32ESP32-S3
Open-source firmware that turns a LilyGO T-Lora Pager or T-Deck into an offline handheld for LoRa chat, offline maps, walking routes and team awareness, with no phone needed.
Intermediate
4 parts listed
Illustration
ESP32ESP32-S3
Free MIT firmware that turns cheap LoRa boards into an off-grid text mesh: phone-paired companions, high-placed repeaters and BBS-style room servers.
Beginner
8 parts listed
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ESP32
Open firmware that turns supported LoRa boards into RNodes for Reticulum, Sideband and Nomad Network. Flash it yourself, and buy only from honest makers.
Intermediate
5 parts listed
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ESP32ESP32-S3
ESP32-S3 (Wi-Fi) or ESP32-P4 (Ethernet) firmware that reads a USB UPS and serves it as a standard NUT server to Home Assistant, Synology, TrueNAS and upsmon.
Intermediate
5 parts listed
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ESP32
ESPHome firmware that pings the SvitloBot service while it has power. When the pings stop, your Telegram channel says the power's gone. No mains wiring at all.
Beginner
5 parts listed
Illustration
ESP32
A build pattern for a temperature alarm: an ESP32, a waterproof DS18B20 probe and a web setup page that emails you when the reading crosses your setpoint.
Intermediate
5 parts listed