| A full-featured variable frequency oscillator using only an ESP32 and a Si5351 clock generator linked by four I2C wires, no LCD, no rotary e...
| A full-featured variable frequency oscillator using only an ESP32 and a Si5351 clock generator linked by four I2C wires, no LCD, no rotary e...
| This EasterEgg antenna mod transforms a mini donut antenna into a magnetic broadband loop with improved gain and directivity. Using a simple...
| MeshSat is an open-source gateway that connects Meshtastic LoRa mesh networks to the Iridium satellite network. Running on a Raspberry Pi vi...
| This ESP32 IR Remote Server and Relay turns your ESP32 into a WiFi-based IR hub for 17+ remotes. Control AV equipment from any browser, crea...
| This MiniRadio Anti-Theremin Effect Mod fixes the SI4732 SSB Theremin effect caused by antenna touch. By adding an inductive antenna mod, in...
| This radio-controlled FM alarm clock syncs time automatically using a 433-MHz signal from a central time server. Its LED display adjusts to...
| This DCF77 time server pairs a DS3231 RTC with a PIC12F1840 to decode DCF77, output a TTL time signal via optocoupler, and rebroadcast time...
| This Personal Alarm Dual GPS device uses a 4G SIM A7670E module and Ublox M-10Q GNSS for instant SMS alerts with live location. Powered by a...
| Transform an Si4732 MiniRadio into an interactive, programmable RF receiver with RadioScripting — a lightweight interpreter running on the E...
| Looking for ideas for new wireless design projects and IoT solutions? Join us live for Elektor Lab Talk #38 with Brian Tristam Williams and...