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Looks like a small bulb used to indicate something unusual, like a malfunction.

Transistor power dissipation

Filed under: Uncategorized — Tags: , , , , , , , , , , — admin @ 2014-02-02 11:53

How to choose the right switching transistor for my application? It must withstand the current, generated heat and applied voltages. Current and voltage does not pose any problem. You have to use some calculations about the power dissipation. (more…)

Detaching MS Windows libusb driver

Filed under: Uncategorized — Tags: , , , , , , , , , , , — admin @ 2013-02-20 10:20

It was easy to assign a FTDI device VID/PID to a libusb backend with Zadig. But detaching it from the libusb and assigning the original FTD2XX driver wasn’t so easy. Simple “remove device” in the Device Manager is not sufficient. When you plug back the device it will be assigned to the libusb again.