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Use Toolelectronmagazine.com is a digital-first tech publication: 16 free in-browser tools for developers and electronics makers, and long-form investigations that explain how technology really works.
Encode text to Base64 or decode Base64 back to UTF-8 text.
Use ToolTest JavaScript regular expressions with live match highlighting.
Use ToolSolve voltage, current, resistance and power from any two values.
Use ToolDecode 4-band and 5-band resistor color codes with tolerance.
Use ToolFind the series resistor and power rating needed to drive an LED.
Use ToolCalculate output voltage of a two-resistor divider, with a live diagram.
Use ToolConvert numbers between binary, octal, decimal and hexadecimal.
Use ToolConvert Unix epoch seconds to human dates and back, in UTC and local time.
Use ToolStep by step guidance on building a simple Arduino based weather station, from the parts list to logging your first readings.
A look at how semiconductor supply challenges reshaped sourcing, design and planning across the electronics manufacturing industry.
A roundup of budget-friendly soldering iron categories, comparing control, usability and everyday reliability for hobby work.
Where connected home technology is heading next, from unified standards to local processing and a renewed focus on privacy.
A practical walkthrough of core circuit design concepts, from key components to reading a schematic, aimed at readers just getting started.
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Investigation
Step by step guidance on building a simple Arduino based weather station, from the parts list to logging your first readings.
Read the investigationEvery article is sourced, reviewed and technically verified before publishing.
No sponsored verdicts, no hype cycles — analysis that follows the evidence.
16 free tools you can use while you read, running privately in your browser.
WCAG 2.1 AA design, keyboard friendly, fast on any device.
Our articles embed live demos like this one. Change the value and shift amount to see how bits move — a left shift by n multiplies by 2ⁿ.
// Bit shifting in JavaScript
const value = 13; // 0b00001101
const left = value << 1; // 26 (×2)
const right = value >> 1; // 6 (÷2, floored)
// Check whether bit 2 is set
const isSet = (value >> 2) & 1; // 1
electronmagazine.com is a digital-first tech publication combining free in-browser tools with long-form, objective technical journalism.
Yes. Every tool is free, needs no account, and runs entirely in your browser.
No. All 16 tools process data locally with JavaScript; nothing you paste is uploaded.
Long-form investigations, systemic technical breakdowns and forward-looking analysis — never viral clickbait.
Yes. They use standard formulas (Ohm's law, divider equations, E-series values). Always verify against component datasheets.
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