Most recent activity
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I think you can just define it and it will work but I'm not sure (will need to read the sources that expand the json into def configuration). I might be able to get some time to experiment with this later this week (but not with the amiibo since it's a bit difficult to flash that one, the xiao ble has a usb bootloader that makes flashing. abit easier since I can just drag the hex file into the pseudo-filesystem).
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Sure, here you go.
There's this grey thick sticker (maybe insulation rf shield?) behind the battery which could be where the nfc antenna are?).
Not sure about the LEDs; I've looped through all the 32 pins and they are the only ones that light up. It's possible it's RGB but the LED module itself (near the top of the first picture) has four traces; two beside each other (which are likely the D17 and D20 pins) one going to a via and one going to what are probably resistors.
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What I did find work well is this one: http://www.radioland-china.com/1730323-1730323_2575611.html
Bought a few of these on AliExpress a couple of years ago (before the chip shortage): https://www.aliexpress.com/item/32965114958.html
Someone wrote custom firmware for this beacon (not Espruino): https://github.com/an-erd/ble_beacon
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Found some interesting links while looking for amiibo related stuff :P
https://www.omniibo.com/
https://dantheman827.github.io/ntag215-puck.js/Nice work!
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I just got myself one of these. Cute litlle things :P
I've initially flashed the nrf52832DK image and have been trying to get the pin assignments.
It's been only a few minutes and I've only so far found that D17 is the green LED, and D20 is the red LED. The button is at D13. and the buzzer is at D14
For board definitions I think just pasting them in the forum is fine (at least that's what I do, and where I look for others' board defs as well).
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As fanoush mentioned, you definitely can. Being able to reprogram the watch was one of the reasons I bacled the kickstarter, because the watch is opened up to all kinds of firmware without having to sacrifice waterproofness. I've tried it as well (had a female usb connector soldered onto some protoboard and broke out the pins to a j-link adapter)
@fanoush I wonder if the usb/swd cable can be used for installing the DFU and maybe factory reset the watch? Or maybe even run a small diagnostic that gathers data on the watch as well as some data on the responsiveness of the peripherals. Might help with troubleshooting in the future.
Ah! No wonder I thought the battery went flat so fast. Thanks for the piezo hint (I tried playing a beep when the button was pressed but I reset the pin after the button is depressed).