Timer schematics

Build your own automated sleep timer and unlock endless relaxation with this innovative circuit. This 35-minute timer precisely switches off portable devices, saving battery power and ensuring peaceful rest on the beach or in your hammock. Discover the simple yet powerful electronics behind this versatile project.... [read more]

Build your own precise timing system with this innovative circuit, offering intervals from one to nine minutes. This 3V battery-powered project utilizes a 9-way rotary switch to create customizable beeps for jogging or other timing needs. Unlock your potential and create your own reliable timing solution.... [read more]

Unlock the power of automatic appliance control with this ingenious circuit, designed to effortlessly switch off your amplifier or device after 15 minutes of silence. Build this innovative schematic and gain complete control, ensuring your energy is used only when sound is present – a truly smart and responsive solution for your audio projects.... [read more]

Build your own precise timekeeping circuits and transform your games, routines, and learning experiences with this innovative timer design. This project utilizes a powerful ripple counter and gate IC to create a customizable timer perfect for educational activities, family games, and more.... [read more]

Build a smart, automated lamp circuit that extends your reading time by 30 minutes, signaling the end with a clever blinking LED and ensuring effortless control with a simple push of a button.... [read more]

Build a robust time delay circuit to safeguard your appliances from voltage surges and power interruptions. This innovative design utilizes a CD4060 IC and a 3-minute delay to protect your electronics, ensuring reliable operation and peace of mind.... [read more]

Build a sophisticated deterrent against nighttime theft with this innovative circuit, designed to illuminate potential intrusion points and safeguard your property. This automated system, utilizing a CD4060 IC and a precisely timed delay, will activate around 1:00 AM, creating a powerful visual deterrent. Empower your home security and gain peace of mind with this ingenious solution.... [read more]

Build captivating delay circuits with this innovative design utilizing a 12.5 volt supply to precisely control relay operation and achieve a 15-second delay time.... [read more]

Build a sophisticated 1300 watt space heater control circuit using innovative techniques. This circuit leverages a pulse transformer and a 6.2 volt zener diode to create a powerful and responsive system, enabling precise temperature control and automated operation for your heating projects.... [read more]

Generate a single positive pulse with precise 1-second delay, empowering your circuit designs with adjustable timing and control.... [read more]

Unlock the power of timed relays using the 555 timer! These circuits demonstrate how to control relays for precise durations with a momentary push button, enabling you to build automated systems and innovative projects. Master the techniques for extended timing or isolate switch closures for continuous operation – perfect for controlling lights, bells, or other low-current loads.... [read more]

Build precise delays of up to 12 hours using this circuit with a 1/6 74HC14 Schmitt Trigger oscillator and a 12-stage binary counter, achieving timing accuracy for your projects.... [read more]

Unlock incredible power with this circuit, generating up to 5 amps from just alkaline batteries. Use a quad LM339 comparator to precisely control a high current output, creating a delay after a switch opens. Build your own time delay circuit and achieve up to 5 seconds of delay with adjustable components.... [read more]

Build a powerful 1300 watt space heater control circuit with a dynamic 60 Hz waveform, designed for precise temperature regulation and automated operation. This innovative schematic leverages a 6.2 volt power supply and a sophisticated trigger circuit to achieve reliable and responsive heating control.... [read more]

Build a captivating 9-second delay circuit with 10 LEDs and a 12-volt relay, utilizing a 4017 decade counter for precise timing. Optimize your design with adjustable capacitor values to create stunning visual effects and unlock limitless possibilities for your electronic creations.... [read more]

Build a sophisticated digital clock timer, meticulously engineered to maintain a deep cycle battery with precision – a 13.6V charge controller integrated with a 32-minute timer for optimized battery health and efficient operation.... [read more]

Build a stunning 72-LED clock with precision! This detailed schematic utilizes 60 LEDs for minutes and 12 for hours, employing eight cascaded 74HCT164 shift registers. Unlock the secrets of digital timekeeping and create a mesmerizing display, perfect for hobbyists and makers.... [read more]

Programmable clock timer with precise LED display and adaptable timing control. Build your custom timekeeping device today.... [read more]

Build a captivating timer circuit with precise timing control, ranging from 1 minute to 20 hours, ideal for innovative projects and automated systems. This schematic utilizes an LM555 timer and a 4017/4020B IC combination to achieve a remarkable count rate of 81920 before activation.... [read more]

Build sophisticated relay timer circuits with precise timing control, from 1 to 10 minutes or 100 seconds, utilizing the versatile LM555 timer and featuring relays for robust switching.... [read more]

Build a precise temperature-triggered timer with adjustable intervals from 1 to 30 minutes. Fine-tune your timing by adjusting the temperature setting, allowing for accurate control and creating innovative automated systems.... [read more]

Build stunning, responsive timers with this innovative circuit, designed to activate during darkness. Fine-tune the darkness threshold using R7 and achieve precise timing control, adjusting durations from 1 to 30 minutes. This versatile astable oscillator empowers you to create custom timed events, perfect for any project.... [read more]

Build a versatile daylight-activated timer circuit, perfect for automating tasks and creating responsive systems. This innovative design, inspired by Repeating Interval Timer No.2, utilizes a light-dependent resistor to limit operation to daylight hours, offering precise control over intervals from 1 to 30 minutes. Unlock the potential of your projects with this adaptable circuit and master the art of timed automation.... [read more]

Build a versatile 12-volt timer circuit with adjustable intervals from 1 to 30 minutes, perfect for experimenting with asymmetric oscillators and controlling relays. This innovative design utilizes a CMOS 4093 chip to create a robust and adaptable timing system, ideal for both beginners and experienced electronics enthusiasts.... [read more]

Build captivating timers with adjustable intervals, from fractions of a second to over 30 minutes – unlock limitless timing possibilities.... [read more]

Build versatile timers with up to 24-hour durations, offering precise control and repeatable or single-shot timing capabilities. Master the 14-bit CMOS 4060 timer design and unlock powerful timing solutions for your projects.... [read more]

Build complex, repeatable sequences with a CMOS 4017 decade counter. Control event timing from 9 minutes to 7 hours, creating dynamic circuits for relays, buzzers, and beyond. Discover precise timing control and unlock limitless possibilities for your electronic projects.... [read more]

Build your own precise timing alerts with this innovative circuit, offering perfect control for games, routines, and more! This powerful system accurately times intervals from 15 seconds to 32 minutes, providing the ideal timing for table games, brushing teeth, and countless other applications. Unlock your potential and create a modern, reliable timing solution today.... [read more]

Build your own time delay relay and unlock automated control with this simple circuit. Adjust timing from 0 to 20 seconds using this 555 timer based schematic and create powerful, responsive systems.... [read more]

Build your own time delay relay and unlock limitless control over your circuits. Adjust the delay time from 0.85 seconds to infinity using simple resistor and capacitor adjustments. This innovative design allows you to create precisely timed delays for any load, empowering you to build sophisticated electronic projects.... [read more]