TonGiesberts (87)

15-04-2026 | High quality analog tone control. First class components make this tone control stand out from others. It uses 1 % polypropylene and 1 % sil...

15-04-2026 | High quality analog tone control. First class components make this tone control stand out from others. It uses 1 % polypropylene and 1 % sil...

3-03-2026 | Adjustable current source. Measure Zener diodes and other components. 54 V max. at 1, 2, 5, 10, 20 and 50 mA. 5 V limit switchable. Supply v...

18-09-2025 | Fully analog adjustable medium power symmetrical power supply without any switching or digital parts. 0 – 22 V output voltage, 0 – 1 A outpu...

14-04-2025 | Based on the remake (2024) of classic circuit Quasi-Analogue Clockwork (1995) this MkII version has only 73 LEDs, one minute resolution, a s...

14-04-2025 | This project is primarily focused on the PCB design, a perfect 5 pointed star. The schematic is fairly standard, a microcontroller sends dat...

10-06-2024 | A digital clock with an analog appearance. 144 3 mm LEDs in a circle show 12 hours with a 5 minutes resolution. 11 standard logic IC’s are u...

12-03-2024 | More than just a calculator. Measure light, temperature, differential temperature, decode NEC IR remote control codes and perform other task...

24-10-2023 | 3D Circular Christmas Tree with 36 digital 8 mm RGB LEDs WS2812D-F8 controlled externally or by an onboard Arduino Nano (ESP32)

11-05-2023 | High quality circuit for amplifying the highest audio frequencies as a correction for getting older. The circuit needs a +/-12 V power suppl...