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Build a precision picoammeter with a CA3420 BiMOS op amp and measure currents down to 0.2pA with four distinct ranges. This innovative circuit includes transient protection and an offset nulling potentiometer for unparalleled accuracy.... [read more]

Build a high-performance video amplifier using the LM359N integrated circuit. This schematic details 12 components including resistors, capacitors, and a BNC connector for a dynamic audio signal. Unleash the potential of your audio projects. ... [read more]

Dynamically adjust fan speed with temperature—a robust circuit for precise control and innovative projects.... [read more]

Build innovative temperature-controlled circuits with this 2-circuit design. Create a heat-activated sensor or a frost alarm by adjusting the thermistor and 47k resistor positions, powering relays and LEDs with precise temperature changes.... [read more]

Build a powerful 1300 watt space heater control circuit with this innovative design. This schematic utilizes an AC-powered, 1300-watt heater, controlled by an advanced SCR circuit and a pulse transformer, enabling precise temperature regulation and automated operation. Unlock the potential of this circuit and gain ultimate control over your heating system.... [read more]

Maximize your miniature electronics’ potential with this innovative voltage doubler circuit, achieving up to 90% efficiency and doubling your battery voltage for optimal performance. Build a compact solution for powering your low-current devices and rediscover the true meaning of miniaturization.... [read more]