Arduino Projects
Arduino Radar Project with OLED Display — Step-by-Step Guide
Build an Arduino radar with an HC-SR04 ultrasonic sensor, SG90 servo and OLED display. Includes circuit diagram, pinouts, full code and setup steps.
7 min read
Written at the bench, in India
Electronics, explained by someone who built it first.
Arduino, ESP32 and Raspberry Pi tutorials, troubleshooting guides and pinout references — published after the thing actually worked.
Basic Electronics
LEDs Explained: How They Work, How to Drive Them, and How Not to Kill Them
19 min read
Arduino Uno / Nano Projects
Rain Sensing Wiper using Arduino Nano with OLED — Step-by-Step Guide
11 min read
Arduino Projects
Arduino Automatic Plant Watering System using Soil Moisture Sensor and Relay
2 min read
Browse by topic
Pick the board or the problem in front of you
Every topic is a WordPress category — it fills up on its own as articles are published.
Free tools
No sign-up, nothing stored
The calculators and the code-to-BOM parser run entirely in your browser.