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Build a precise timing circuit with this innovative design, controlling intervals from 1 to 100 seconds. This project utilizes a NE555 timer IC and a 100uF capacitor to create a responsive relay system for photographic or other timing applications.... [read more]

Build a smart USB switching circuit that seamlessly alternates between your PC and laptop for effortless printer access. This innovative design automatically switches the USB connection, eliminating the need for manual unplugging and re-plugging – perfect for maximizing productivity and streamlining your workflow.... [read more]

Build your own oscilloscope testing module inspired by the innovative Huntron circuit. Diagnose and troubleshoot digital PC boards with this simple, effective 12 volt transformer based schematic.... [read more]

Build a sophisticated 18-count LED sequencer using cascaded 4017 decade counters, achieving precise control and unlocking limitless possibilities for your electronic creations.... [read more]

Build a powerful 2x18W Hi-Fi stereo amplifier using TDA2030 ICs and unlock exceptional audio performance. This robust circuit delivers 80dB signal-to-noise ratio, 0.5% distortion, and a frequency response of 20kHz, ideal for boosting existing systems or driving a second speaker pair. Achieve superior sound quality with this meticulously designed amplifier, requiring a ±18V 3A power supply and capable of handling 4-8 Ohm loads.... [read more]

Build a smart parking system with this innovative circuit. Trigger alerts with LEDs, indicating distances from 6cm to 20cm. This circuit, utilizing an infra-red level detector, provides visual feedback for precise parking assistance, adaptable for various applications.... [read more]