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5 Stories Published
Electronics & Hardware
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8m
Build a Raspberry Pi Pico W Temperature Web Server in MicroPython
A MicroPython tutorial for a Pico W web page that shows temperature, using the on-chip sensor or a DS18B20, with code adapted…
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7m
Turn an Old ATX Power Supply Into a Bench Supply Safely
How the green PS_ON wire starts an ATX supply, which wires carry 3.3, 5 and 12 V, why a minimum load matters,…
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7m
How to Test a Fuse, Diode and Capacitor With a Multimeter
Plain answers on testing a fuse (continuity), a diode (diode-test mode) and a capacitor (capacitance mode), including why capacitance alone cannot catch…
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7m
How to Solder Through-Hole Parts Without Cold Joints
Wetting, flux and temperature explained, with a do and don't list, a look at good versus cold joints, and a troubleshooting table,…
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7m
Debug I2C and SPI With a Low-Cost Logic Analyzer and PulseView
A step-by-step guide to capturing I2C and SPI with an inexpensive USB logic analyzer and sigrok PulseView: signal basics, sampling-rate rules, decoder…