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infrared alarm barrier receiver circuit diagram

infrared alarm barrier receiver circuit diagram

facil

facil

RGB FLASHING LED  There are many different flickering and flashing LEDs on the market via eBay.  They contain a microscopic microcontroller chip and current limiting resistor. Many of them work on a voltage from 3v to 6v and you can hear the oscillator turning ON and OFF to produce the different effects by building the following circuit:

RGB FLASHING LED There are many different flickering and flashing LEDs on the market via eBay. They contain a microscopic microcontroller chip and current limiting resistor. Many of them work on a voltage from 3v to 6v and you can hear the oscillator turning ON and OFF to produce the different effects by building the following circuit:

BIKE FLASHER This circuit will flash a white LED (or 2,3 4 LEDs in parallel) at 2.7Hz, suitable for the rear light on a bike. By Collin Mitchell - 30 LED Project.

BIKE FLASHER This circuit will flash a white LED (or 2,3 4 LEDs in parallel) at 2.7Hz, suitable for the rear light on a bike. By Collin Mitchell - 30 LED Project.

1 - 200 Transistor Circuits

1 - 200 Transistor Circuits

#PIRMotionSensor alarm circuit is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. They are most often used in PIR-based motion detectors.

#PIRMotionSensor alarm circuit is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. They are most often used in PIR-based motion detectors.

1 - 200 Transistor Circuits

1 - 200 Transistor Circuits

1 - 200 Transistor Circuits

1 - 200 Transistor Circuits