Courses from 1000+ universities
17 years ago, Krishna Kumar started offering free PMP prep online. Today, it’s a leading digital upskilling platform that helps millions upskill in AI, cybersecurity, data science, and more.
600 Free Google Certifications
Fundamentals of Neuroscience, Part 1: The Electrical Properties of the Neuron
Organic Chemistry 1
Mountains 101
Organize and share your learning with Class Central Lists.
View our Lists Showcase
Learn to program the versatile ESP32 microcontroller with WiFi and Bluetooth capabilities. Set up Arduino IDE, explore example sketches, and discover its powerful features for IoT projects.
Explore voltage regulators and converters for powering electronics projects, from classic 7805 to advanced buck-boost converters, ensuring stable power supply for various voltage requirements.
Explore LIDAR technology with Arduino: learn about TF Mini for distance measurement and RPLIDAR for 360-degree scanning, perfect for robotics enthusiasts and makers.
Learn to control DC motors using various driver modules and Arduino. Explore hookup methods, coding techniques, and practical demonstrations for both small and large motors.
Learn to integrate OLED displays with Arduino using I2C and SPI protocols. Build a temperature and humidity meter while exploring various OLED types and their advantages over traditional displays.
Explore waterproof ultrasonic distance sensors JSN-SR04T and A02YYUW. Learn their functionality, Arduino integration, and performance in outdoor and underwater conditions.
Comparison of TOF10120 laser and HC-SR04 ultrasonic distance sensors, including setup, testing, and performance analysis on a custom-built testbed for accuracy evaluation.
Learn to control high-current DC loads with Arduino using transistors and MOSFETs. Practical demonstrations include switching lamps, controlling motors, and operating RGB LED strips.
Explore operational amplifiers: versatile, inexpensive analog components. Learn basic circuits, Arduino integration, and practical applications like light-sensitive switches and power supply conversion.
Explore the powerful Arduino GIGA R1 WiFi board with its advanced features, including dual-core processing, extensive I/O, and integrated Wi-Fi/Bluetooth capabilities for robotics and IoT projects.
Explore the XIAO ESP32S3 Sense board's features and build a camera with sound recording capabilities. Learn to set up, program, and upgrade this versatile microcontroller.
Explore Bluetooth Classic and BLE with ESP32, covering device discovery, serial communication, and server-client interactions for IoT and mobile applications.
Explore three remote access methods for Raspberry Pi: SSH for terminal access, VNC for full GUI, and Raspberry Pi Connect for web-based access. Learn setup and usage for each method.
Explore new Arduino Uno R4 boards: enhanced features like CAN Bus, WiFi, LED Matrix. Hands-on demos, benchmarks, and comparisons with older models. Ideal for makers and educators.
Explore Arduino Nano ESP32's capabilities with MicroPython and IoT Cloud. Learn setup, WiFi scanning, human interface applications, and building IoT projects using this versatile board.
Get personalized course recommendations, track subjects and courses with reminders, and more.