Interactive circuit simulation like Wokwi
Build and simulate electronic circuits with Arduino, ESP32, LEDs, sensors, and more. Write code and watch your circuits come to life with real-time simulation.
Open Empty SimulatorBlink LED
4 components
Classic Arduino blink example - Toggle an LED on and off
Traffic Light
8 components
Simulate a traffic light with red, yellow, and green LEDs
Button Controlled LED
6 components
Control an LED with a push button - learn digital input
LED Dimmer
5 components
Control LED brightness with a potentiometer - analog input to PWM output
Servo Motor Control
3 components
Control a servo motor with a potentiometer
Ultrasonic Distance Sensor
9 components
Measure distance with HC-SR04 ultrasonic sensor
RGB Color Mixer
5 components
Mix colors with an RGB LED using three potentiometers
Temperature Monitor
3 components
Monitor temperature with DHT22 and display on LCD
ESP32 IoT Sensor Node
4 components
WiFi-enabled sensor node with ESP32
DC Motor Speed Control
3 components
Control DC motor speed with potentiometer and H-bridge
Piezo Buzzer Music
3 components
Play melodies with a piezo buzzer