Learn Arduino
Projects, robots and mini-games to learn by building. Here are a few collections:
50+ Arduino electronics projects
A broad library to explore tutorials, categories and complete projects from a single place.
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13 Arduino projects for beginners
A direct path to get started with simple builds, code and connections without unnecessary complexity.
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Arduino mini games
Projects designed to help you learn with screens, joysticks, LEDs and interactive logic in a more dynamic way.
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Technical articles on electronics, regulation and product development. These are the most recent.
Two hand warmer recalls and the white-label risk
Two brands recall near-identical hand warmers in the US over overheating risk. What to ask your manufacturer before you put your brand on anything with lithium inside.
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2GB Raspberry Pi goes up $12.50: do you need that RAM?
Raspberry Pi raises its 2GB models by $12.50 and asks you to check whether you really need that RAM. How to measure it, and why your software should boot on the smallest variant.
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The ESP32-C3 now costs double: review your quote
The ESP32-C3 went from $1.80 to $3.83. Why the quote from six months ago no longer holds, and how to protect your margin before production.
Read articleFree online calculators
Useful tools for working with resistors, dividers, filters and timers. Here are a few:
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