Getting Obsessed with PDA

I recently got hold of the handspring visor deluxe. It is like the smartphone of the 90s, being able to install apps and stuff. One interesting thing about this particular PDA is that it has a slot for installing hardware modules. I have the eyemodule2 (camera), the backup module, the GPS module, etc.

The eyemodule is particularly interesting. The pictures it takes are weird from today's standard. I will post some of the photos at the end of this blog.

2021: The eyemodule can also take short videos. Here is a video compilation I made in 2021 (the videos were taken in 2017).:

The backup module

(Some photos here are from the future... 2021)

The eyemodule2

The GPS module

Magellan GPS Companion

The CF Card Adapter

Here are some photos taken with the eyemodule2. I manage to make it take screenshot with ScreenShot Hack for Palm OS (the original developer, linkesoft, is kind enough to give me the license key).

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Replacing the Capacitors in my DDII

It is time to recap my Sony wm-DDII. The device is more than 30 years old and the electrolytic capacitors need to be replaced. I got some nichicon fine gold audio grade capacitors. They are much bigger than the original. It was tough but I managed to fit in four nichicon. I can not do AB comparison but I think there is a significant improvement in terms of sound. The bass goes deeper and feels more powerful. The high is also improved. It sounds more detailed and dynamic than before. I am thinking if I should replace the remaining three capacitors later. Update: The rest of the capacitors were replaced with some ELNA "audio" capacitors from ebay (they are relatively cheap). ELNA "audio" capacitors

Repair my Sony D3 Walkman

The left channel of my Sony wm-d3 stopped working. At first, the sound just went in and out. It could get back to working with some twisting and shaking. So I thought it was just oxidation building up on switches and headphone jack, but it was not the case. At some point, it just stopped working altogether. After some quick diagnosis, I found that a wire connected to the cassette head was broken. The weird part was that it looked just fine, but my multimeter said it was not connected: it must be broken somewhere along the wire. I needed to replace the whole wire. The problem was that I needed a dual wire with shielding, and the ones I could find were fat. So I made one by myself by ripping the rubber tube off the fat one and adding some heat shrink as a shell. It was still fatter than the original but at least it fitted. It is not perfect, but it works just fine now. The Original Wires (yellow and blue) The New Wires (yellow and white)

Configure Cloud Backup for my RG351M

I just spent almost an afternoon trying to perform cloud backup for my RG351M portable game console. With this, even if the microSD card dies, I should still be able to restore the game save data and the configurations. This is done by rclone. I obviously didn't come up with this. I just follow the tutorial (and fight with the unstable hotel wifi). Rclone is set up to work relatively straightforwardly with major cloud services in the west. Unfortunately, many of them (such as Google and Mega) are censored in China for various reasons. OpenDrive works though (nice). After entering the necessary information into a command window, rclone will spit out the configuration file, which I will put in the right folder in my RG351M. The first run is slow. After that, it has been reasonably fast since the software only uploads the new/modified files. Using the mobile hotspot instead of the hotel wifi also helps speed things up.

cliz305

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