More about Summer Circuit guide 2022 (81)

1-08-2022 | Want to switch a kitchen light with floury or sticky fingers? A relay board and a TTP223-based sensor board will help you get the job done....

1-08-2022 | Over the the past two and half years, many engineers and makers have built innovative electronic devices to solve COVID-19-related challenge...

1-08-2022 | Many mobile or portable devices are supplied with electrical energy by batteries. These include flashlights, children's toys, radios, radio...

1-08-2022 | Most induction meters are suitable for small coils, but do not measure with high currents. With the circuit presented here, a high-current b...

1-08-2022 | The Kelvin cables supplied with the Elektor 2 MHz LCR Meter Kit are suitable for standard measurements, but they are far from accurate at hi...

1-08-2022 | The Elektor Audio DAC for the Raspberry Pi was still missing a vital part: a good power supply that provides both 5 VDC and 9 VDC outputs. E...

1-08-2022 | Current measurement requires the use of an ammeter placed in series with the load. An ideal ammeter has no voltage drop; it is a short circu...

1-08-2022 | Interested in KiCad? You can use open-source software to develop PCBs for a wide variety of projects. Your first PCB is only a few steps awa...

1-08-2022 | We often need to check the range and linearity of a microcontroller’s (MCU) ADC converter. This circuit is a low-noise-adjustable voltage so...

1-08-2022 | The following principle applies to ultrasonic sensors. But it also works in the audible range with two piezo transducers.