Youyue 858D+ hack and learning about microcontrollers.

Detailed Pictures here: youyue858d

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This was a $40 Chinese hot air unit that I replaced the microcontroller on with a custom firmware with much tighter controls. The temperature fluctuated +-15C before the mod. Now it holds the temp within about 3C of the setpoint.

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Here is me learning that the arduino environment kinda sucks when it comes to more advanced projects. That’s ok, I got to spend a few hours learning a bit more about microcontrollers. I’m using the Bus Pirate along with AVRDude to program my chip and set fusebits.

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The custom firmware works wonderfully, but I feel there are some thermal concerns that need to be addressed. I plan to add ventilation and heatsinks as necessary.

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One Response to Youyue 858D+ hack and learning about microcontrollers.

  1. robert says:

    Happy desoldering!

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