De Werkbank

A connector only becomes visible when it fails. Connection drops, project stops, cause unclear. While the problem was there from the start: the wro...

Sensors look simple: plus, minus, signal. But there are four things that regularly go wrong, and none of them have anything to do with the sensor i...

Three platforms, three names that constantly appear together in tutorials and forum posts. But they're not variants of the same thing. They're fund...

A breadboard is the fastest way to test an idea without soldering. No iron, no solder, no permanent decisions. Push a component in, connect it up, ...

You write the code, everything compiles, the button should do something — but nothing happens. Or worse: the button triggers on its ow...

A microcontroller pin provides a control signal, not a general power output. Always check the limits in the board and microcontroller datasheets. A...

Connecting an LED looks simple: two wires, apply voltage, light appears. Until it does not work, or it burns out immediately. An LED does not limit...

A resistor is the cheapest component on your workbench. Yet a surprising number of things can go wrong when you skip the checks. The calculation is...

Guessing what's wrong costs time. Measuring takes seconds. A multimeter is the tool that makes the difference between an hour of searching and know...

An ESP32 that resets, a sensor that gives strange readings or Wi-Fi that drops out: the power supply may be the cause, but wiring, software or an i...

Running machine learning locally with a Coral USB Accelerator works only when the model, runtime and host environment are compatible. Check the com...

nRF52840 dongle: decide what you want to test first The nRF52840 Dongle (PCA10059) is a USB development dongle for Bluetooth Low Energy and other 2...