WS2812 Pattern Editor
WS2812 and NeoPixel LEDs open up endless creative lighting possibilities. From slow fades to pulsing rainbows and strobe patterns, programmable LED strips can bring visual projects to life. Designing patterns…
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A collection of online tools and utilities that are all free to use. No registration required and nothing to download. Everything will run in your web browser. Use these to perform some simple tasks that will save you the trouble of needing to find an app for it.
Wordsearch Generator
Wordsearch puzzles are a fun way to build vocabulary, improve pattern recognition and challenge the brain. Whether you need a puzzle for a classroom, a game night, a themed worksheet…
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Voltage Divider Calculator
A voltage divider is one of the simplest and most common circuits in electronics. By using two resistors in series, you can drop a supply voltage to a lower level…
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Uart Baud Rate Calculator
UART is one of the most common serial communication standards used in microcontrollers and embedded electronics. Getting the correct baud rate is essential for reliable data transfer. If the baud…
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String Escape Tool
Escaped strings are often required in programming, API requests, JSON files and web development. When text contains quotes, slashes or special characters, escaping ensures the content is handled correctly without…
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SSL Certificate Decoder
An SSL certificate contains information such as domain ownership, issuing authority, validity period and subject alternative names. When troubleshooting HTTPS, checking expiry or verifying certificate chains, being able to decode…
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SQL Formatter
Raw SQL can be difficult to read when spacing, indentation and line breaks are missing. A well formatted query is easier to debug, learn from and share with others, especially…
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4 Band and 5 Band Colour Code Calculator/Decoder
Resistor values are marked using coloured bands that represent numbers, multipliers and tolerance ratings. Reading these values manually can be confusing, especially for beginners or when working quickly on a…
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QR Code Generator
QR codes offer a quick way to share information through a simple scan. They are used on product packaging, business cards, posters, menus, websites and almost anywhere that fast digital…
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Device Power Budget and Battery Runtime Estimator
Every electronic project is limited by its power supply. Whether you are working with a small microcontroller or a complete system of multiple sensors and motors, estimating power consumption is…
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