Thomas's Blog

CMOS “What we didn’t realize was that it would reduce the cost of electronic functions by a factor of a million to one” - Jack Kilby Complementary Metal-Oxide-Semiconductors What is CMOS? CMOS stands for Complementary Metal–Oxide–Semiconductor. MOSFET Structure and Terminals The MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) is the building block of CMOS. It has four key regions: Source: where carriers (electrons) enter the channel. Drain : where carriers exit. Gate : a metal elect ...

Phones Can’t Trap Us A gun doesn’t become notorious because it is made out of metal. A gun is just a commodity that is man-made. Nicolas Cage is not the War of the lords if there are no wars. Simply, selling weapons create such conditions for war. Drugs did no became a problem until laws permit it. Should we then ban democracy if it is such system that allows drugs to be legal? So recently when I was traveling around the globe. I often see banners,PSA, or healthcare ads warning us to not g ...

Short Story I was customizing air filter panels. Why? Because I’m being irrational with my money. Just kidding. I was messaging a Chinese factory that specialized in producing paneled air filters. Here’s how the conversation went: 1234567891011Me: How much for one panel, 155mm × 255mm × 10mm?Manufacturer: Sixty for one, or a hundred for four.Me: How about fifty for just one? I only need one.Manufacturer: Wait, let me check with my supervisor...Manufacturer: Our starting price is sixty, but we ca ...

Can Freedom and Coercion be Mutually Inclusive? When the little man asks for a job: But his acquaintance knits his brow and says that that is objectively impossible. Business is bad, he says, and he’s even been obliged to let many employees go. The man should not be angry with him, for it is not within his power, his freedom doesn’t extend that far. Who is the little man? The ordinary, powerless individual in society. Someone who believes the “propagandaish” promise of freedom, but continually ...

The Sorrows of the Tea The Sorrows of the Tea Upon arrival at the town, I was greeted by its name. The air, though transparent with the yellow mist of the sun, blossomed with a soothing smell of green tea. Though the sun hasn’t completely risen beyond the crest of the valley, it spilled a spoon of light over the rooftops as if they are the scales of the golden dragon. Yet, I was interrupted by the flashy red pictures on the walls. Mr. Weng and his son came out and greeted me. Mr. Weng was a dec ...

The day that I was 2,000 miles away from home I got a severe cold the day I was 2,000 miles away from home. That day, I finally went back to my grandpa’s house, two thousand miles east, saying goodbye to my twenty-year-old home. The Siberian wind bit my fingers and stabbed needles on the back of my neck. The road home was tiring, but I couldn’t help to think about the chair that my daughter made for me. I love to play the violin. Every day at home, my daughter would sit there and look to me in h ...

Install Raspberry Pi Imager App Enable SSH(Secure Shell) for remote connection Scan Raspberry Pi’s IP address Remote connect to PI 1ssh account@ip-address 1ssh pigtt@192.168.2.220 Install remote development extension for VSCode Edit ssh config for convenience 1/Users/YourUserName/.ssh/config 123Host pi5 HostName 192.168.2.220 User pigtt 1ssh pi5 Enable VNC Enter configuration tool via sudo raspi-config Select 3 Interface Options Enable VNC server Install VNC viewer on mac 1brew ins ...

Peccary What is a peccary trip? The peccary trip is a field trip . Yet it focused on discovering your self and the collection of fossils in the Mojave Dessert. The trip have been a tradition for my school for almost a century. And now, I just had my first peccary trip. 1Sun Tze: If ignorant both of your enemy an yourself, you are certain to be in peril That was the mst valuable lesson I learned. The tumbling ride Imagine: I found myself quite unexpectedly aboard a quite ambitious yellow omnibus ...

Thank You I think that learning and reflecting is to live without innocence. 1234567891011121314151617181920212223242526272829303132333435363738394041 After Thank You (Dido) Thank YouVerse 1:My stomach’s empty, I’m wondering why IGot out of bed at allThe furnace smoke clouds up my windowAnd I can’t see at allAnd even if I could, the fields are bareBut your picture is on my wallIt promises gold, but we’re starved after all, we’re starved after all.Verse 2:I ...

Drones 1234567 / \ | C | [Camera] \___/ |===|BATTERY|=== / | \ [P] [P] [P] [Propellers] 📖 Introduction Drones, or Unmanned Aerial Vehicles (UAVs), have evolved from military tools to devices reshaping industries and daily life. This article breaks down their mechanics, societal impacts, and transformative roles in agriculture, warfare, and humanitarian efforts. Historical Evolution of Drones Drones have a rich history, evolving from experimental designs to sophisticated machines ...