Learn by example
Five labs. One serial grammar.
Temperature, light, sonar, resistance, irrigation — each page is a teachable unit with photos from the Digital Challenge document, cleaned code, and a teacher briefing.
Project 01 · DHT11
Temperature & humidity
2 × 45 min
LibrariesCSV serialAlert bars
Project 02 · LDR
Light sensor
2 × 45 min
Analog inputVoltage dividermap()
Project 03 · HC-SR04 + SG90
Sonar scanner
3 × 45 min
UltrasoundServoRadar UI
Project 04 · Voltage divider
Ohm meter
2 × 45 min
Ohm’s lawA0Measurement
Project 05 · Soil + relay + pump
Automatic irrigation
3 × 45 min
ThresholdsActuatorsSafety