| The MAX7219 is a very useful and versatile display driver that can drive up to 64 LEDs independently. It’s well-known, but existing tutorial...
All items tagged with Circuits & Circuit Design and DIY electronics (109)
| Many hi-fi enthusiasts agree that vinyl offers a unique sound that stands apart from digital audio sources. In a popular Elektor article in...
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| The available range of opamps is vast. After selecting based on technical specs, further testing may be needed. Try this do-it-yourself opam...
| First introduced in the early 1970s, the 555 timer integrated circuit is arguably one of the most popular ICs ever made. Rediscover the icon...
| Looking for a weather station project? This example highlights an ESP32-based weather station, which measures key weather parameters such as...
| Do you need a multifunction frequency meter for making time-related measurements? Take a look at this user-friendly design from 2004. It’s a...
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| RS-485 or RS-422 buses are still widely used in industry for access control, video surveillance and many other applications. However, the st...
| Instead of attenuating strong signals, this updated audio limiter circuit amplifies quieter sections to manage dynamic range. This design mi...
| Have you ever been in the middle of a project and realized you didn’t have the right equipment? Saad faced this issue while pushing his AmpV...
| Explore the Pipeline Distortion circuit, offering flexible, modulated overdrive effects for synthesizers and guitars. You can create unique...