🔧 Electronics Tools
7 free tools — no signup needed.
Ohm's Law Calculator
Calculate V, I, R, P + resistor colour code
Color code hex Generator
Color code generator for Html, Python, Arduino etc..
Raspberry Pi Python Bot — systemd Auto-Start Service Generator
Generate a ready-to-run systemd service installer for any Python bot or script on Raspberry Pi. Fill in your script path, username, and virtual environment — download a shell script that installs your service, enables it on boot, and shows all management commands. Auto-restarts on crash, captures all logs, runs inside your venv.
ESP32 Custom LED Chaser
Build a customizable ESP32 LED chaser with 8 LEDs. Choose group size (1/2/3/4 LEDs) and chase speed for different blink animation patterns.
ESP32 Blinking LED
An ESP32 project that blinks an LED on a configurable GPIO pin with adjustable on and off timing. Customize the pin and interval before downloading ready-to-flash Arduino code.
Digital Clock
Arduino digital clock with RTC — select your timezone and it generates ready-to-flash code
Arduino Digital Clock with UTC
Build a customizable Arduino digital clock using DS3231 RTC and 16x2 LCD with UTC timezone offset, 12/24-hour format, and adjustable backlight brightness.