| The CoffeeCaller nRF52840 board is an open-hardware development platform built around Nordic Semiconductor’s nRF52840, with full KiCad desig...
All items tagged with Circuits & Circuit Design and Circuits Circuit Design News (186)
| This simple inductance meter uses an ATmega328 and LM339 to measure coil values at low cost. The design provides a practical way to estimate...
| System check! Elektor wants to know: Are open-source tools catching up with the big players in PCB design? How does KiCad stack up against p...
| What happens when a classic Nixie clock design runs out of I/O? This GPS-synchronized Nixie clock project shows how smart component choices...
| Audio measurements are the focus of Elektor Lab Talk #45, where Brian Tristam Williams, Jens Nickel, and Alfred Rosenkränzer will dig into d...
| The KiCad 10 release brings Windows dark mode, design variants, new importers, and a graphical DRC rule editor to the open-source PCB design...
€5 (FREE for Members)
| Operational amplifiers in analog circuits typically use negative feedback. However, phase shifts in the feedback loop can cause instability,...
| THREE-PHASE SINE WAVE VCOThis three-phase sine wave VCO uses classic OTA devices like the RCA3080 to generate three sinusoidal outputs with...
€5 (FREE for Members)
| One of the simplest ways to generate a DC analog voltage level from a microcontroller is by using its built-in pulse-width modulation (PWM)...
| Powering sensitive electronics is about more than just providing the right voltage. How the voltage is delivered is also important. The Slow...