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Game&Light a keychain size game console with a led
New April 2022 update!
So far the state of the project:
Finished / pros:
-Cheap and use very few parts
-Rechargeable, the LIC works really nice and it recharges quickly, also no dropping.
-The microcontroller manages the charging so no need to add a voltage regulator.
-It can be flashed with the usb cable, not standard though, UPDI needs to be feed intro the D+ signal of USB with a flashing solution like serial to UPDI, I know it isn't standard but it is very convenient and it works really well.
-Now charging works ok using a mosfet controlled by timer A .
-Sleep is implemented.
To do / cons:
-Still some concern about the charging voltage during sleep, need more testing, I am disabling the timer in sleep mode and returning the control to portmux.
- Although using the usb to feed the UPDI signal is practical, I don't know if it would damage a computer if it is connected to it, it shouldn't since the UPDI is pulled up with a 30k resistor but still a concern.
In case of connecting it directly to USB by mistake, using the UPDI adapter to send the signal is ok.
I tested once and nothing happened but doing it repeatedly is another story.
- 4k of flash is a small amount, in my case I have to chop content of the game, someone with more knowledge I am sure can fit more, considering in using a bigger micro????.
Game&Light a keychain size game console with a led
*PCBWay community is a shared platform and we are not responsible for any design issues.
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- Likes(4)
- Engineer Jun 18,2023
- Evgeniy Kumanin Jun 23,2022
- SimonX May 11,2022
- (DIY) C64iSTANBUL Apr 29,2022
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