I’m Patrick Tsai. Occasionally I blog here, most about software/electrical engineering projects.

I sometimes take photographs, and some of my favorite photography can be seen here. It’s mostly nature related.

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June 29, 2020

• Three-phase brushless DC motor electronic speed controller (BLDC ESC) - in development

April 21, 2020

• What is the Fourier Transform, and what's the Fast Fourier Transform?

July 14, 2019

• Invalid home path error when adding a Ruby SDK in IntelliJ IDEA Ultimate 2019.1.3

May 29, 2019

• Resolving no video signal after wake from Nvidia graphics card on Ubuntu 18.04 LTS

May 12, 2019

• Heap dump a live Java process

April 9, 2019

• Lens Distortion

September 11, 2018

• Making a Mechanical Keyboard

July 27, 2018

• jQuery Tree Multiselect Plugin

March 1, 2015

• Dorm Room GSM Antenna

January 1, 2015

• IR Remote for a Wiimote Whiteboard