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November 13, 2024

Color TV remote control circuit

Photocoupler As shown in the figure, the color TV remote control circuit. The remote control is a device used to remotely control the machine. Modern remote controls consist primarily of integrated circuit boards and buttons used to generate different messages.

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November 13, 2024

Design of reference circuit based on STM32 quadcopter

Industrial Router Crystal 3.2*2.5mm 3225 26M (26.000MHZ) 12PF 10PPM 20PPM 30PPM Photocoupler A quadcopter is an aircraft that uses four rotors as a flight engine for aerial flight. Since the beginning of the 20th century, the rapid development of electronic technology ha

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November 12, 2024

New simple small capacitance detector circuit based on 5G7556

Test - lowercase jpg AVX tantalum capacitor TLJB227M006R0500 original new goods Photocoupler As shown, this circuit can be used to measure small capacitors from 50pF to 50nF. The left half of the 5G7556 constitutes a multivibrator with a fixed pulse width t1 and a perio

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November 12, 2024

Bar graph reader circuit

Industrial Router Crystal 3.2*2.5mm 3225 26M (26.000MHZ) 12PF 10PPM 20PPM 30PPM Photocoupler The transistor switch lines of the LEDs are turned on one after the other to display the input voltage for the rising columnar display. R2 adjusts the minimum range (0.1-0.5V) of

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November 12, 2024

Quantitative injector circuit schematic

Spot Remarks 2017+ Industrial Router Crystal 3.2*2.5mm 3225 26M (26.000MHZ) 12PF 10PPM 20PPM 30PPM Supply 1206 blue light 1206 blue LED quality assurance original authentic large number Photocoupler The circuit is shown in the figure, where IC1 is a timed square wave o

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