A teenager from Hyderabad built a miniature ropeway to deliver a birthday card to his mother. The Arduino-powered surprise ...

Build a tiny ESP32 OLED keychain with a 1.3-inch display and custom 3D-printed enclosure. Wire the ESP32 S3 and program it ...

Analog FPV goggles normally need a dedicated 5.8 GHz receiver module, but Leon ( Twotoz) has built one out of a Seeed Studio ...

An AI Wildlife-Crossing Alert System for Forest Roads Using Arduino UNO Q is a solar-powered edge-AI safety system designed ...

This project implements an intelligent IoT gateway that bridges long-range wireless sensor networks with a modern web dashboard and AI-driven analytics. Using an SX1278 transceiver managed by RadioLib ...

All [Hannah Robertson]’s Birduino needs is for one to tap an NFC-enabled card to the reader, and the device plays one of the ...

Earlier this month, we saw how the humble ESP32-S3 could be turned into an SDR transmitter and receiver; then we saw ...

LR2021-SDR is an open-source software-defined radio project that captures raw I/Q samples from the LR2021 transceiver, ...

The second probe, acting as the receiver (Rx), was connected to the spectrum analyzer to capture the transmitted signal. The two probes were fixed at a constant gap of 10 mm using a non-metallic, ...

When most radio enthusiasts start trying to pick up signals from satellites, they might put together a quick-and-dirty Yagi antenna and try to catch a repeater as is passes overhead, or they might ...

Based on a 1280 × 1024 uncooled VOx infrared detector with a 12 μm pixel pitch, the module delivers more than 1.3 million infrared pixels in a compact form factor measuring no more than 29 × 29 × 15.7 ...