gas detector

24 watt led panel light dimmer

powerful fume extractor

playing with rgb LED

Altitude meter with AVR & BMP180

Altitude meter BMP180 with AVR

EEPROM 24C02 test read write

watersaver with IR sensor

testing proximity IR sensor

percise second (crystal 32.768 khz)

testing snubber circuit

capturing trip time for relay vs a fuse

testing the LHT00SU1 logic analyzer

crystal oscillator test circuit

op amp integerator test

strobe light in night

555 astable multivibrator

capturing voltage spike from 220/6 step down transformer

monostable pulse generator using 555 timer

opamp oscillator circuit

testing lm386 audio amplifier module

strobe light

adjustable power supply, lm317

testing the nRF24L01 from nordic

Robot test 2

testing nokia 5110 lcd

Robot test

RC car test using rf module 433mhz through uart

RF433MHz module test with uart

counter using 2 digit 7 segment display