| The ESP32 board is a versatile and very affordable development platform that is quite suitable for all sorts of home automation projects. He...
| The ESP32 board is a versatile and very affordable development platform that is quite suitable for all sorts of home automation projects. He...
| Securing Internet of Things (IoT) endpoints is a difficult task. Engineers cannot simply repurpose PC security solutions for the IoT environ...
| Track the pitch of a whistle, instrument, or other simple audio signal with an Arduino-based circuit that combines classic analog electronic...
| Many developers who work with the ESP8266 are unhappy with its high current consumption. The ESP32 offers a remedy for this — it is equipped...
| As mentioned in the introduction to the earlier Precise Nixie Clock project, the New Precise Nixie Clock combines modern and legacy technolo...
| To make accurate voltage measurements, you need an A/D converter (ADC) chip which has good resolution. The folks at Elektor have developed a...
| With an Android tablet and a handful of hardware, you can put together a remote control for a still camera for time-lapse photography. It al...
| The instrument described in this article combines the functions of a sweep frequency generator (‘wobbulator’) and a spectrum analyser. In th...
| Whenever two MIDI signals have to be combined to drive a receiver, you need a MIDI merger. In the design presented here, two coupled microco...