20250705 The Phosphor LED

20250705 The Phosphor LED

One of the things that irks me during the design of the Playmates Toys MkVIII Tricorder or the actual replica, is that I cannot get uniform lighting on the four ALPHA, BETA, GAMMA & DELTA indicators. I can use SMD LEDs, push it deeper by a few milimeters and stick a diffuser in the front. […]

20250412 TR-595E Top Panel v04D

20250412 TR-595E Top Panel v04D

Yes, it is version 04D now. Over some stupid reasons. When I soldered the board, I got about 1.92V from the meter. Disappointing was not the word I was looking for. More like… You see, the TPS3733 voltage regulator has one configuration pin which I should not be meddling with when I needed a fixed […]

30032025 TR-595E Top Panel v04

30032025 TR-595E Top Panel v04

After the disastrous error 5 weeks ago, with the LiPo IC, the revised Design arrived from JLCPCB. I did not notice the error when I downloaded the part Library from SnapEDA.s3.amazonaws, which I have no idea where I got this link from. Recap – Or what does it do? In summary, this board was designed […]

20250225 TR-595E: The Top Panel v04B78

20250225 TR-595E: The Top Panel v04B78

I was hoping v04 would be the last revision so that I can upload it on my GitHub but sadly, there are more ‘improvements’. I am skipping v03 which is no different from V02 except it has a sliding selector switch instead of solderable jumper, and a pair of piggyback connectors. They were meant to […]

20240917 Hollowed 3D Voyager CommBadge

20240917 Hollowed 3D Voyager CommBadge

I think I am going to try getting this Voyager ComBadge printed soon. The 3D file belongs to Aaron Rhodes from Instructables and he mentions that by scaling down to 0.944, the size is almost correct. I have been trawling through the Internet and this is one of the Commbadge designs which caught my eye. […]