CoffeeCaller turns a coffee break into a mesh-networked project. See how an ESP32 prototype evolved into a board running ...

A unique combination of astronomy, embedded programming and ambient lighting that transforms an ESP32-powered display into a ...

The Things Conference 2026 brings IoT, Edge AI and wireless experts to Amsterdam, with a 25% discount for Elektor readers.

The Things Conference 2026 expands beyond LoRaWAN as Felix Heins previews live demos, cross-technology IoT, workshops, and ...

Learn how innovative A212 radar technology can be used in applications like people counting, gesture recognition, and ...

Transformers are an essential component for properly driving and optimizing the use of wide band-gap devices like SiC FETs.

Our new "LPWAN Decoded" Technical Brief cuts through the specifications and marketing claims to compare LoRaWAN, Sigfox, ...

Negative feedback can transform a mediocre amplifier into a great one. Discover how feedback works, why it matters, and the ...

These amplifiers prove that a well-designed and carefully built analog circuit can survive decades of hard use and still ...

A beer pong turret gives PLACITECH a reason to explore DC motor launching, joystick control, 3D printing, and iterative ...

The dip meter consists of a tunable RF oscillator whose resonant circuit is held in the vicinity of a resonant circuit to be checked. If the frequencies of the two circuits match, the circuit being ...

Set up your ESP32 in Arduino IDE from scratch. This practical guide covers board package installation, board and port selection, your first upload, Serial Monitor testing, and fixes for the most ...