All items tagged with Circuits & Circuit Design and DIY electronics (126)

| In the mid-1970s, seat belt safety was only beginning to receive serious attention. In 1976, Elektor introduced a clever seat belt reminder...

| Houseplants rarely die suddenly. They decline slowly, often because of inconsistent watering. If you’ve experienced this problem, check out...

| Ready to solder? This audio series delivers easy-to-build DIY circuits, beginner-friendly components, just enough electronics theory, and lo...

€5 (FREE for Members)

| This article covers an extended, symmetrical version of an adjustable DC load. The design is suitable, for example, for testing the typicall...

| Measuring dynamic currents with an oscilloscope is challenging, but this updated differential current probe makes it simple and affordable....

| Most PC “mic” inputs are pretty average for noise and distortion, and they’re usually mono. Plus, they can’t properly take balanced, pro mic...

| Make your analog breadboard experiments instantly audible with Elektor’s first analog T-board, featuring a compact class-D amplifier, DC/DC...

| A blast from the Elektor archives: this clever 1998 battery tester uses a simple LED display to reveal a battery’s true condition under load...

€5 (FREE for Members)

| The dynamic compression of audio signals is important for reducing signal peaks to avoid saturation of the output signal. The circuit presen...

| Discover how a two-terminal dimmer design offers efficient, precise control of LEDs, lamps, and heating elements without extra wiring. Pulse...