Want to build a smart obstacle detector without using Arduino? This simple project uses a 555 timer and an ultrasonic sensor to sense distance and control a DC motor automatically. It is easy to make with low-cost and perfect for beginners in electronics. This Obstacle Detection Circuit with 555 Timer and Ultrasonic Sensor is a […]
Digital Dice Circuit using Arduino Uno
Want to roll dice without touching it? Make Digital Dice using Arduino Uno and with a LCD screen. Press the button to get random number 1 to 6. It works like real dice but uses electronics. This is a simple and easy circuit. Its a fun project for beginners. Arduino Coding: Circuit Working: Parts List: […]
Smooth Servo Rotation Circuit with Arduino and Potentiometer
This project shows about Smooth Servo Rotation Circuit with Arduino and Potentiometer. Turn the knob and see servo arm moves smooth from 0° to 180°. Easy and fun to learn how Arduino reads analog signal and makes motion. Its a good project for beginners in robotics, automation or motor control. Arduino Coding: Coding Explanation: Circuit […]
Temperature Controlled LED Circuit
This small Temperature Controlled LED Circuit can feel the heat! When place near warm thing, it sense temperature and LED glow. It work very simple using one diode and one transistor only. No microcontroller, no sensor IC, just few parts. We can build it easy at home and see how heat make light turn ON. […]
LDR Based Dark Sensor Circuit
This small LDR Based Dark Sensor Circuit is very smart. It can see light and dark using LDR. When there is light, everything stay quiet. When it becomes dark then LED start to glow and buzzer makes sound. No need to touch anything it works by itself. It is easy to make with low cost […]
Automatic Light Control Circuit using LDR and LM3909 IC
This Automatic Light Control Circuit using LDR and LM3909 IC is small and smart light sensor circuit. It can feel light and dark like magic. It uses one LDR and one LM3909 IC. When dark come, LED turns ON. When light come, LED goes OFF. It is perfect for night lamps or auto lights. Circuit […]