Arduino C++ Tutorials

Build an Arduino UNO Joystick Shield V1.A controller that reads every input, then works as a USB gamepad or nRF24L01 ...

Build an Arduino Nano MAX30102 pulse oximeter that shows live BPM and optional SpO2 on an SSD1306 OLED, using the Spa...

Build an Arduino Nano motion detector using the RCWL-0516 microwave radar sensor to switch a relay, with reliable thr...

Build an ESP32-CAM + PIR solar off-grid motion camera that uploads photos to Telegram and deep-sleeps for long runtim...

Build an Arduino Nano MAX6675 K-type thermocouple reader with OLED display and optional over-temp relay cutoff for sa...

Build an Arduino Nano menu UI using a KY-040 rotary encoder and SSD1306 OLED for smooth scroll-and-click navigation w...

Build an Arduino Nano DS3231 sunrise alarm clock with an LED fade-in, relay control, and OLED display for a gentler w...

Build an Arduino Nano DS3231 pill dispenser with servo indexing, buzzer alerts, and an SSD1306 OLED so scheduled dose...

Build an Arduino Nano HC-SR501 PIR animated skull with servo jaw, LED eyes, and buzzer for a hands-free Halloween pro...

Build an Arduino Nano bench supply with LM2596 regulation, INA219 current sensing, and an SSD1306 OLED for live volta...

Build an Arduino Nano bike theft alarm using an ADXL345 accelerometer to detect motion, trigger a loud buzzer, and se...

Build an Arduino Nano EMG muscle sensor controller that drives a servo claw when you flex, a practical starting point...