| The “Donut” WB loop antenna shipped with some SDR receivers may be fundamentally flawed — its printed coils cancel each other out! This quic...
| The “Donut” WB loop antenna shipped with some SDR receivers may be fundamentally flawed — its printed coils cancel each other out! This quic...
| Struggling with weak Wi-Fi on your ESP32 module? A simple wire antenna mod can boost signal strength, double range, and improve stability fo...
| Prevent runaway RC vehicles with this failsafe system! Using an ATtiny85 microcontroller and an optocoupler, this project monitors the radio...
| Imagine tracking an object with pinpoint accuracy — within centimeters — across a 25 m × 25 m area. Now, what if you could do this using sou...
| Dive into the differences between PN532 V3 and V4 RFID readers. Learn about range, certification, and whether the upgrade is worth it for yo...
| The 2025 Elektor Circuit Special is on the horizon, and we’re looking for innovative, original circuit designs to feature! If you’ve created...
| Control devices remotely with this SMS-based 4G project! It features four relays, RSSI monitoring, and a DS18B20 temperature sensor for adde...
| You can create your own digital stereo FM transmitter with a Raspberry Pi Pico and KT0803L module. Learn how to configure and broadcast FM s...
| Transform your DJ setup with independently powered, wireless loudspeakers. This project uses RF transmission, an ESP32, and motorized potent...
| Want to create a remote-controlled alarm for your electric bike? You can with an ATtiny85, a hacked door alarm, and a 433MHz transmitter. En...