20220722 Soldering the Top Panel PCB

20220722 Soldering the Top Panel PCB

The Top Panel PCB has arrived and immediately, I began to work on it. This simple circuit took me three hours to figure out why it is not working. I have done the troubleshooting and although it checks out, the error was quite puzzling. POST SOLDERING DISCUSSION The soldering took far longer than it should […]

20220717 TR-595E: The LCD Screen

20220717 TR-595E: The LCD Screen

I forgot to take a look at the LCD screen which arrived two weeks ago. The 2.2inch 18-bit LCD screen used in the TR-595E is a 320×240 TFT with a microSD card. Unfortunately, it is also out of stock at Adafruit. When it comes to electronics, I have challenges in sound, LCD screen, motors, and […]

20220717 The Front Array Blah-blah-blah

20220717 The Front Array Blah-blah-blah

So, I have completed three versions of the Front Array PCB. I love doing these types of SMD soldering and now, I think I am not that rusty anymore. But, I must admit, soldering these boards are a challenge. Lesson for the day (for me) is that I must not miss my own steps and […]

20220714 The 8mm x 3mm Neodymium Magnets

20220714 The 8mm x 3mm Neodymium Magnets

Ordering from the local eCommerce is so much faster. But the catch, I suppose, is that they either have available stock or, well, better shipping system. And this is the big difference between ordering from a Chinese-based Local Account and ordering from China. But today, this is another story as the magnets were from a […]