| How much power does my connected device use? Does its sleep mode conform to the manufacturer's documentation? How long will the CR2032 batte...
| How much power does my connected device use? Does its sleep mode conform to the manufacturer's documentation? How long will the CR2032 batte...
| Track the pitch of a whistle, instrument, or other simple audio signal with an Arduino-based circuit that combines classic analog electronic...
| 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...
| Turn a touchscreen into a secure, programmable pattern lock with this clever capacitive-sensing project. Learn how the hardware detects fing...
| 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...