Articles & Guides
In-depth tutorials, component deep-dives, and hardware engineering insights.
Getting Started with Arduino Uno R3: A Complete Beginner's Guide
Everything you need to know about the world's most popular microcontroller.
ESP32 WROOM Deep Sleep: Reducing Power Consumption
Learn how to make your IoT projects last for months on a single battery charge using deep sleep.
ESP32-CAM Web Server: Stream Live Video in 5 Minutes
Step-by-step instructions to set up a live MJPEG video stream using the AI Thinker ESP32-CAM module.
Arduino Mega 2560 vs Uno: Which Board Should You Choose?
A detailed comparison of memory, pins, and performance to help you pick the right board for your project.
Raspberry Pi Zero W Headless Setup (No Monitor Required)
Set up your Pi Zero using only a laptop and an SD card. Enable SSH and WiFi from the start.
Mastering PWM on Arduino: Dimming LEDs and Controlling Motors
Understand Pulse Width Modulation and how to use analogWrite to control analog components.
Connecting ESP8266 NodeMCU to WiFi: A Robust Reconnect Loop
Don't let your IoT device stay offline. Use this code to ensure your ESP8266 stays connected to WiFi.
How to Use I2C Communication on ESP32
Master the Inter-Integrated Circuit protocol on ESP32 to connect OLEDs, sensors, and more.
Raspberry Pi GPIO Pinout: The Ultimate Reference
A comprehensive map of the 40-pin GPIO header on Raspberry Pi 4, 5, and Zero.
ESP32-CAM Face Detection: Basics of Edge AI
Introduction to using the built-in face detection libraries on the ESP32-CAM module.
Arduino Mega 2560 Pinout: Mapping the 54 Digital Pins
A complete guide to the massive I/O capabilities of the Arduino Mega, including UART and PWM channels.
Using the Internal Hall Effect Sensor on ESP32
Did you know the ESP32 can detect magnets without extra hardware? Here is how to use it.
Troubleshooting 'avrdude: stk500_getsync()' Arduino Errors
Fix the most common Arduino upload error with these proven hardware and software checks.
Setting Up a Python Web Server on Raspberry Pi
Host your own local website and control GPIO pins using Python and the Flask web framework.
NodeMCU ESP8266 Pinout: D-Pins vs GPIO Numbers
Never confuse D1 with GPIO5 again. This guide clears up the ESP8266 naming convention.
Arduino Uno Power Options: USB, Battery, and Barrel Jack
Learn the safe ways to power your Arduino without blowing the onboard regulator.
ESP32 Dual Core: Running Tasks on Core 0 and Core 1
Unlock the full potential of your ESP32 by running tasks simultaneously using FreeRTOS.
Interfacing HC-SR04 Ultrasonic Sensor with Arduino
Measure distance accurately using ultrasonic sound waves and an Arduino Uno.
ESP8266 OTA Updates: Flash Code Over the Air
Stop using USB cables. Learn how to update your ESP8266 firmware wirelessly over WiFi.
Raspberry Pi Zero vs Zero 2 W: Is it worth the upgrade?
We compare the performance and power draw of the old Pi Zero and the quad-core Zero 2 W.