Seminars & Reports
In-depth seminars and written reports for every part — videos, full text and printable PDF.
ReportNEO-6M GPS: Where am I?
Add latitude/longitude/altitude to any project via UART.
ReportRC522 RFID: Tags, cards & access
Read and write 13.56 MHz MIFARE tags over SPI.
ReportESP32-CAM Vision Report
Streaming, face detection and edge AI on a $10 board.
ReportL298N: Driving DC motors safely
Dual H-bridge for two motors up to 2 A each.
ReportPSU Basics: Power, efficiency and safety
Wattage, 80+ ratings and why a quality PSU matters.
ReportSG90 Servo: Precise angles in plastic
180° micro servo controlled by a single PWM pin.
ReportMotherboard Anatomy
Chipsets, sockets, PCIe lanes and what every connector does.
Report0.96" OLED: Crisp graphics on I²C
128×64 pixels, two wires, zero backlight.
ReportESP32 IoT Workshop
Connect ESP32 to Wi-Fi, MQTT and the cloud.
ReportMPU6050: 6-axis motion in one chip
Accelerometer + gyroscope over I²C, with on-chip DMP.
ReportHC-SR04: Distance with sound
Measure 2 cm to 4 m with a $2 ultrasonic module.
ReportGPU Deep Dive: From pixels to AI inference
Why GPUs dominate graphics and modern AI workloads.
ReportArduino UNO: Getting started seminar
Your first blink, your first sensor, your first project.
ReportDHT22: Reliable climate sensing
Better range and accuracy than DHT11, same one-wire protocol.
ReportESP32-S3: AI on a microcontroller
Vector instructions, USB-OTG and PSRAM for edge AI.
ReportCPU Overview: How the brain of a PC works
A walkthrough of cores, threads, cache and clock speed in plain language.
ReportESP8266: Wi-Fi for two dollars
The chip that started the maker IoT revolution.
ReportArduino Mega 2560: Pins for everything
When 54 digital I/O and 256 KB of flash are not too much.
ReportArduino Nano: Tiny but mighty
Same brain as the UNO in a breadboard-friendly package.
ReportRAM Explained: Speed, capacity and timing
What the DDR generation, MHz and CL numbers really mean.
ReportSSD vs HDD: Which storage should you choose?
NVMe, SATA SSDs and mechanical drives compared honestly.