Electronic circuits, projects & designs

30/05/2026

USB C to USB Adapter (1/2/3/4 Pack), Type-C Male to USB 3.0 Female, High-Speed Data Transfer for USB-C Port Smartphones, Tablets, MacBook Pro 2020, iPad Pro 2020, Dell XPS and More Type C Devices
🎉 Coupon price[₦1,012]
👉 item link: https://temu.to/k/e52u2xaluj1
⚠️ The discount may vary, please refer to the page display.

28/05/2026

Understanding capacitor codes is a basic but essential skill in electronics. Voltage ratings, capacitance values, and tolerance markings help ensure accurate component selection and circuit reliability. A small code can determine the performance of the entire system.

28/05/2026

28/05/2026

This circuit uses resistors, capacitors, and a diode to regulate current and help the fluorescent lamp operate efficiently on a 220V power supply.”

28/05/2026

Converting 3.7V to 12V requires more than voltage boosting—it demands stable oscillation, switching efficiency, and output regulation. This simple converter circuit uses a BD140 transistor, BC547 driver, inductor, and 12V Zener diode to increase low DC input into a higher regulated output. Compact design, practical principle. ⚡🔧

28/05/2026

DIY 3.7V transistor continuity tester circuit using BC547 transistors, 1N4007 diode, resistors, and dual LED indicators for quick polarity and conductivity testing.