Flame sensor is very important for many uses like industry machines, safety check and fire alarm. So in this post for Simple Flame Sensor Circuit using Arduino shows how to connect flame sensor to Arduino to find fire; also this project is cheap and works well for real-life fire detection. Arduino Code: Code for Flame […]
Security and Protection
Build Our Own Solder Fume Extractor Circuit
Soldering make bad smoke which is not good for health, so every work table need good smoke remover. To Build Our Own Solder Fume Extractor Circuit uses few easy parts to remove bad smoke, as it uses BC547 transistor, small DC fan, preset resistor, capacitor and NTC thermistor to make air clean and safe. Here, […]
Build Your Own Door Knob Touch Alarm Circuit
Todays time safety is very important, so this Build Your Own Door Knob Touch Alarm Circuit can help protect home and office. Also, this small project is Door Knob Touch Alarm using 555 IC, which can sense when someone touches the door knob. Furthermore, if someone touches then alarm makes loud sound and it scares […]
Metal Detector Circuit using Arduino
Metal detector uses electric field to find metal near it. Making Metal Detector Circuit using Arduino is fun for electronics lovers and we can make it using Arduino, CS209A chip, LEDs, buzzer and some other parts. Furthermore, LED and buzzer will show when metal is close, also this project use CS209A chip with Arduino, as […]
Human Presence and Motion Sensor Circuit using Arduino
This project uses electronic and integrated technology for energy saving, smart places and safety system. Main idea is to sense human presence and movement and for that we used mix of sensors and microcontroller to do this work. In this tutorial for Human Presence and Motion Sensor Circuit using Arduino we have used STHS34PF80 sensor, […]
Digital Code Lock Circuit using Arduino
Nowadays, security is important everywhere in the world, and it becomes even more critical in sensitive or restricted areas. Therefore, this Digital Code Lock Circuit using Arduino helps improve security by providing controlled access. Also, it use Arduino, small computer to make simple lock and with Arduino UNO, keypad, buzzer, LCD (16×2), BC547 transistor and […]