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Build stunning op-amp circuits with high input impedance and low output impedance, achieving unity gain and precise control over your designs. Discover the power of inverting and noninverting amplifiers, and unlock solutions for voltage amplification and signal buffering.... [read more]

Build a versatile current-limited power supply with adjustable outputs from ±5V to ±15V, using an LM317 and LM337 for precise current control and stable regulated outputs.... [read more]

Implement rear fog lamp functionality with this innovative circuit diagram, designed for seamless integration with your 7-way connector. Eliminate distracting reflections and enhance visibility during foggy conditions, utilizing a powerful optocoupler to automatically switch off your vehicle’s fog light.... [read more]

Build your own versatile electronic selector with the Elect. Sel. 8 circuit. This 8-switch system offers 8 independent relay controls, ideal for amplifiers, command systems, and digital circuits. Utilize LEDs for each switch and unleash your creative potential with this adaptable schematic.... [read more]

Build a precise distance tracker for your walks with this innovative circuit, displaying kilometer and hundreds-meter readings. This compact, wearable device utilizes a mercury switch and clever ICs to accurately measure your steps, providing a reliable approximation for your outdoor adventures.... [read more]

Build a smart battery monitoring circuit and instantly assess your vehicle’s power with this innovative design. Utilizing LEDs and precise components, this circuit provides real-time voltage readings, ensuring optimal performance and preventing potential issues. Discover the perfect balance for your dynamo or alternator, and maintain peak efficiency with this straightforward yet powerful build.... [read more]