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Microcontroller in led lamp

Scheme lamp shown in Figure. FET VT1, дрос­селе L1, diode VD1 and capacitor C4 assembled upconverter, control pulses for the microcontroller that generates DD1. With movable contact rigged resistor R1 is removed and fed to the ADC input of microcontroller portion… Continue Reading

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matrix 16×16 for TINY13A

To implement the project need 4 8x8 LED matrix, 4 74HC595 shift register and a control microcontroller TINY13A. The challenge is, to light all 256 LEDs from our 8-pin microcontroller TINY13A. To do this, draw conclusions at this microcontroller is clearly not enough, by… Continue Reading

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Check remote control

In various magazines and on the Internet there are descriptions of probes to test the operation of the remote control at the IR- rays. Usually, This simple scheme of the photodetector or phototransistor and LED, plus power supply. If you send a defective remote control at the probe, и нажатьContinue Reading

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Timer with countdown

The timer is set and the countdown to the 99 minutes 59 seconds. After completion of a predetermined interval comes to an electrical load connection by means of an electromagnetic relay. The microcontroller circuit based PIC16R628A. Display is carried out on a standard two-line 16-digit display (1602). management… Continue Reading