Infrared schematics

Build a simple infrared remote control tester circuit with just a handful of components. This 3V circuit flashes an LED when any remote button is pressed, enabling you to quickly diagnose and repair common infrared remote controls within 20-25cm.... [read more]

Build your own infrared remote control tester with this simple circuit, utilizing a TSOP1738 receiver and piezo buzzer for instant confirmation of signal transmission. Achieve reliable results with this easy-to-build schematic and unlock the power of remote control diagnostics.... [read more]

Build your own IR detector to master remote control signals and gain complete control over your entertainment. This simple circuit, using a photo-diode and LED, instantly tests remote signals, revealing malfunctions and ensuring you’re always in command.... [read more]

Build a robust infrared beam break detector with a 38kHz transmitter and receiver, utilizing a 78L05 regulator and six AA batteries for reliable operation and extended range.... [read more]

Create a long-range musical transmitter and receiver circuit capable of transmitting audio up to 10 meters, utilizing a UM66 melody generator and ICs for maximum sound projection and volume control.... [read more]

Unlock extended range IR communication with this circuit design, boosting signal power fourfold and utilizing a laser pointer for maximum reach. This innovative design, featuring an IR laser and a 38 kHz frequency modulator, delivers a powerful, directed beam for reliable communication, perfect for building your own advanced remote controls.... [read more]

Build a powerful audio system by silencing unwanted channel switching noise from your tube television with this innovative circuit. This easy-to-implement design utilizes an IR receiver and comparator to interrupt audio output, eliminating popping and crackling sounds. Perfect for enthusiasts seeking a cleaner, more immersive listening experience.... [read more]

Build your own ingenious firecracker triggering system with this detailed schematic! This innovative circuit utilizes a remote control to ignite firecrackers safely from a distance, enabling you to control the burst with precision. Discover how a 12V battery and a custom circuit, including an IR receiver and LEDs, create a powerful and reliable ignition system – perfect for ambitious projects and thrilling experimentation.... [read more]

Build innovative appliance control circuits with this simple, low-power design. This compact circuit utilizes an infrared LED and phototransistor to create a safe and responsive system for controlling devices like hand dryers and hidden locks. Discover a stable and sensitive solution perfect for your next electronics project.... [read more]

Build a powerful infrared remote control tester with the TSOP1738 receiver. This easy-to-construct circuit, featuring a 5-meter range, provides clear signal detection through a piezo buzzer. Unlock the potential of your remote controls and create a responsive system for your projects.... [read more]

Build your ultimate infrared control solution and eliminate frustrating after-light issues. This innovative project utilizes a cost-effective, integrated receiver to create a universal remote control switch, compatible with any infrared device. Master the circuit design and power supply for seamless operation, unlocking a smarter and more responsive control experience.... [read more]

Build powerful infrared control circuits with this universal switch, designed to activate devices using wavelengths between 850-950nm. This innovative design allows precise control of electronics by leveraging a 1.5-second pulse delay, creating reliable and adaptable switching solutions for your projects.... [read more]

Build your own reliable infrared remote control system with this detailed schematic! This 22K resistor and 1 meg resistor based design ensures precise tone transmission and reception, eliminating accidental activations. Unlock the potential of this innovative circuit featuring a 2N2222 transistor and a 6-volt relay for a robust and dependable connection.... [read more]

Build your own IR Remote Control Tester with this circuit, utilizing a 12 volt power supply and an SFH2030 photodiode for precise measurement of infrared light intensities, enabling you to compare remote control strengths and optimize your signal transmission.... [read more]

Build a powerful IR signal jammer to reclaim control of your entertainment and playfully disrupt unwanted remote signals. This circuit utilizes pulsing IR light to confuse receivers, offering a fun and innovative solution for frustrating remote control issues.... [read more]

Build your own precise liquid level and proximity detection circuits with this innovative design! Featuring a 50cm detection range and optional relay control, this circuit empowers you to create sophisticated sensing solutions. Unlock the potential of infra-red technology and build your own reliable device.... [read more]