Retro CPC Dongle – Part 43

With the world in lockdown, you’d think there’s plenty of time for hobbies. Somehow, it’s been 4 months since my last post – time flies in a crisis! I’ll admit that I’ve been somewhat lax in working on the CPC2, but with the project so close to completion, I need to re-commit to finishing this 5-year project! Today’s post is about my CPC Bluetooth joystick!

Modded Atari 2600 joystick

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Retro CPC Dongle – Part 41

Build v2.3

So the next build of the CPC2 is done. I recorded the process with a time-lapse camera because it’s hard to make a 7 hour build entertaining. Each second of video is 30 seconds of assembly time, so this 7-hour build ended up at 7m19s of timelapse, after cutting out the cursing and head-scratching. See if you can spot my hands start to shake at the 2-hour mark of trying to precisely place the sub-millimetre components and enjoy.

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ESP32 Bluetooth: Using the BTstack library

Mad props to antepher and his awesome techtutorialsx blog. Just when I’d given up hope that the ESP32 would resolve my Bluetooth woes, he points out that BTStack is a pretty capable stack for embedded and has a port for the ESP32 already! I’m eternally grateful…thank you! More to come, but I may be able to get the ESP32+BTStack to connect to my Bluetooth HID devices for CPC2…

techtutorialsx

The objective of this ESP32 tutorial is to explain how to get started with the Bluetooth functionalities that are supported by the ESP32 hardware. The Bluetooth tests of this tutorial were performed using a DFRobot’s ESP-WROOM-32 module, integrated in a ESP32 FireBeetle board.

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