Raspberry Pi

JTAG On the Cheap with the FTDI FT232R

JTAG 101 What is it? JTAG stands for the Joint Test Action Group, and the TAP or Test Access Port this group defined is one of the most (if not the most) common way to program and debug embedded devices and computers of all flavors. For the professional, JTAG devices are bountiful and usually not too much of a strain on the commercial budget. But for the hobbyist, things aren’t so peachy. A Segger J-Link EDU can be had for…

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Network bandwidth testing with iperf3

Everyone knows how to use speedtest.net to test your internet connection speed, but how do you test your LAN bandwidth?   When you want to troubleshoot speed issues on your LAN, what can you use? Luckily, some clever software call iperf3 can help us out.  You can find the tool at the main website for iperf and iperf3  here. This tool is available for Windows, Linux, Mac, Android, and iOS, so you’ve got options. There are two parts to testing your network with iperf3. First…

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