Electronics Tools

Free tools for electronics makers — LED calculators, resistor tools, systemd generators, battery calculators and more.

4 tools 5 projects 9 total

Showing 1–4 of 4 tools

Enter your WiFi credentials, select security type and band — get ready-to-paste config code for ESP32, ESP8266, Raspberry Pi, Python, Node.js, Flutter, iOS, Android, Windows and Linux.

WiFi Config Generator Tool

Select any country or timezone — get ready-to-paste code snippets for Arduino, ESP32, Raspberry Pi, Python, Node.js, PHP, Java, Swift, Flutter, Windows, Linux and macOS

Timezone Database & Code Generator Tool

Pick colors and instantly generate ready-to-paste palette codes for every major platform. Export flawless CSS, Swift, Android XML, Flutter, and Tailwind values.

Color Palette & Code Generator Tool

Single LED, series, parallel, or reverse mode. Snaps to real E12/E24/E96 standard resistor values — always rounding up, never down, to keep your LED safe.

LED Resistor Calculator Tool