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AI-Powered Adventure Text Game

Hardware

By @jeremyngai

  • 19 Devlogs
  • 25 Total hours
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@jeremyngai on AI-Powered Adventure Text Game

2h 53m 4s logged

GAH DAMN MY PCB IS WORKING!!! Timelapse below!

I spent the last few hours carefully soldering my new PCB. I decided to use 0805 for all smd component cuz in my last project, I used 0603 ones and it was PURE TORTURE to solder them all lol. lessen learnt!

Overall, I absolutely love the pcb outcome its nicer than I expected especially the ws2812b led and all those smd resistor (they look so sci-fi xD).

However there was one flaw, I forgot about the ESP32 antenna. I’m forced to awkwardly fit the antenna on the pcb back (right beside my Great Wave silkscreen print). Luckily it didn’t block it lol. This is something I needa keep in mind the next time!

You might be wondering what’s that tiny pin header I used there. It’s just a pin header, but for the design, I wanted it to be ultra slim, so I designed a PCB sandwich layout. The battery fits perfectly between the e-paper pcb and my pcb. However the problem with normal pin headers is that they are super chunky, they have like 9mm gap. That instantly ruin the whole vibe…

So after hours of digging in aliexpress, I found those low profile pin header. They are SUPER PERFECT for my project (6mm gap), which is exactly my battery thickness!!! Anyways the low profile pin header was NOT CHEAP at all… well at least its so worth it.

Other than soldering the PCB, I did a few adjustment to the firmware, including: rotary encoder logic improvement - I used interrupt pin logic to read it, they place the rotary encoder at the toppest priority (if theres any changes in pin state, the esp32 instantly ignore everything and focus on the encoder).

That’s all for now, stay tuned! its so fun

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@jeremyngai on AI-Powered Adventure Text Game

1h 27m 11s logged

Today I worked on a WiFi prompt to let user choose whether they want to connect to a different wifi or existing one, because this device is supposed to be portable, working anywhere, so this is very important. However, I’m still figuring out how to show the WiFi name… wm.getWiFiSSID() didn’t work though.

Btw, all my hardware had already arrived just now!! (after slow ahh aliexpress) I can’t wait to solder them, so stay tuned lol XD

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@jeremyngai on AI-Powered Adventure Text Game

4h 19m 49s logged

In the last few days, I made a few changes to my project:

  1. I decided to switch the idea from the initial quiz game concept into a choice-based adventure text game, it’s basically an infinite “choose your own adventure” concept. I feel like it’s way more fun!
  2. I worked with the WiFiManager library to make the wifi setup more accessible and easy. We now don’t need to hardcode wifi password into the code, the device will launch a hotspot captive portal and you can just connect any of your device to setup wifi at anytime anywhere. portable, isn’t it?
  3. Since this game concept will need the e-paper display to show a long text, I used a serif font and coded an automatic text wrapping and an adaptive scroll bar at the side so you can know the length of the text
  4. I also added a low battery and data parsing error page for the user alongside with an ok button to shutdown the device.

What’s next?
After the text formatting is stable, i’ll be focusing on text generation and choice logic!! xD

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