VCC (3.3V Standby) ---- R1 (10k) ----+---- TEPT4400 Collector | +---- ATtiny13A Pin 2 (ADC3) | GND ---------------------------------+---- TEPT4400 Emitter Tharki Naukar 2024 Fukrey S01ep01 Hindi Web Ser... Apr 2026
int main(void) init_pwm(); while(1) uint16_t light_level = read_light(); // Simple linear mapping for safety // Prevent total darkness to keep user aware TV is on uint8_t brightness = (light_level >> 2); if (brightness < 50) brightness = 50; // Min brightness OCR0B = brightness; // Set PWM Duty Cycle _delay_ms(100); Mifare Classic Card Recovery Tools Beta V0.1- - 3.79.94.248
uint16_t read_light() // Configure ADC on ADC3 (PB3) ADMUX = (1 << MUX1)
void init_pwm() // Set PB1 as output DDRB