Power supply fan upgrade

If you’ve read my previous post you’ll know that I already own some pretty fancy equipment. One of the less fancy things that I own is a rather cheap bench power supply, the Tenma 72-10500. It’s just a re-branded Korad power supply. While being cheap these power supplies still offer great value for your money. […]

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New Test Gear

Last month I reached deep into my pocket to buy some new test and measuring equipment. I bought a new oscilloscope and a new multimeter from Keysight (formerly known as Agilent Technologies). Note: This article is not going to be a review of any kind. Oscilloscope The oscilloscope I bought is a Keysight DSO-X 2022A. […]

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Disabling Touchscreen in Windows 8.1

If you happen to have a convertible notebook that features a digitalizer pen input such as the Lenovo Thinkpad Yoga you will find out that it can be rather annoying to write with these things using the pen. The touchscreen that works without the pen (finger touch input) is disabled as soon as the tip […]

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Using the Serial Port on the DE1-SoC

The micro USB port that can be found in the upper right corner of the DE1-SoC is connected to the HPS of the Cyclone V chip and is therefore accessible from the Linux running on the board for communication. However, it is not a real USB port but a serial port with an FTDI serial-to-USB […]

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DE1-SoC Project Template

Earlier this week I received a DE1-SoC development board from Terasic. It took me quite a long time to get a simple HelloWorld application running as the chip on this board fuses a DualCore ARM Cortex-A9 with the latest Cyclone V FPGA from Altera into a single package. I tried for a long time to […]

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