PIR Burglar Alarm Circuit
PIR sensor (Passive Infrared sensor) widely used in motion detection applications and security based applications, the following project is a …
LDR Switch Relay Circuit
This LDR switch relay circuit eliminates the physical contact with electrical appliance switch, consider the bath room switch, if we …
Arduino DAC Tutorial
To give more power to Arduino board DAC (Digital to Analog Converter) interfaced through breakout board and detailed Arduino DAC …