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Level 1 · BeginnerBlocksBlinking lightA red LED turns on and off every half second.Open and run
Level 2 · BasicBlocksButton and LEDThe LED stays on while the blue button is pressed and turns off when it is released.Open and run
Level 3 · IntermediateC++ codeServo and potentiometerTurn the potentiometer knob and the servo arm follows, from 0 to 180 degrees.Open and run
Level 2 · BasicC++ codeTraffic lightRed, yellow, and green LEDs take turns, just like the lights at a crossroads.Open and run
Level 2 · BasicC++ codeBuzzer melodyA buzzer plays a simple tune note by note with the tone() function.Open and run
Level 3 · IntermediateC++ codeText on an LCDA 16x2 LCD shows a greeting and counts the seconds since the board started.Open and run
Level 3 · IntermediateC++ codeDistance meterAn HC-SR04 ultrasonic sensor measures distance; the L light turns on when something is closer than 20 cm.Open and run
Level 3 · IntermediateC++ codeRGB rainbow LEDOne RGB LED fades through red, green, and blue using analogWrite.Open and run
Level 3 · IntermediateC++ codeESP32-C3 blinkAn ESP32-C3 board alternates an external LED and its built-in blue LED, and says hello over Serial.Open and run
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