Search found 8 matches

by smhodge
Fri Jun 07, 2019 1:11 am
Forum: MicroPython pyboard
Topic: switch callback on press & release
Replies: 3
Views: 209

Re: switch callback on press & release

Thanks. Another gem in the documentation I missed. Usually I use MAX681x switch debouncers. Pricey little hummers but they are worth it in my book. Steve
by smhodge
Thu Jun 06, 2019 3:58 pm
Forum: MicroPython pyboard
Topic: switch callback on press & release
Replies: 3
Views: 209

switch callback on press & release

Is it possible to have a callback on a switch release as well as the initial press? If so, how do you configure it?
by smhodge
Thu Jun 06, 2019 3:48 pm
Forum: MicroPython pyboard
Topic: pyBoard messed up after firmware update
Replies: 2
Views: 178

Re: pyBoard messed up after firmware update

Thanks! I had accidentally loaded v1.0 firmware, not 1.1. All is good now.
by smhodge
Thu Jun 06, 2019 4:08 am
Forum: MicroPython pyboard
Topic: pyBoard messed up after firmware update
Replies: 2
Views: 178

pyBoard messed up after firmware update

I had a v1.9.1 pyBoard that was working just fine until I did a firmware update, to v1.10 (after reading it was released). I followed the procedure described on Sparkfun and the update ran to completion just fine. After removing the DFU jumper and plugging back in the USB cable, Windows gives a "USB...
by smhodge
Wed Jan 30, 2019 7:31 pm
Forum: MicroPython pyboard
Topic: Necessary to connect ALL V+ & GND pins?
Replies: 2
Views: 206

Re: Necessary to connect ALL V+ & GND pins?

Thanks, I'll add those caps too.
by smhodge
Mon Jan 28, 2019 1:28 am
Forum: MicroPython pyboard
Topic: Necessary to connect ALL V+ & GND pins?
Replies: 2
Views: 206

Necessary to connect ALL V+ & GND pins?

I am making a PCB to be a "motherboard" for the pyBoard. Can V+ and GND be connected via only one pin each instead of connecting to all the V+ and GND pins? I'm assuming they are electrically connected inside the pyBoard of course so my question is more one of currents, trace widths, ground loops, e...
by smhodge
Sat Jan 26, 2019 2:22 am
Forum: MicroPython pyboard
Topic: spi and chip select
Replies: 2
Views: 227

Re: spi and chip select

Thanks, especially for the tip on Slave use, even though that's unlikely for me, it's good to know.
by smhodge
Tue Jan 22, 2019 2:39 am
Forum: MicroPython pyboard
Topic: spi and chip select
Replies: 2
Views: 227

spi and chip select

It appears the /SS line is not implemented. Am I correct that one can just use any available digital output pin as a chip select, driving it low with pin.value(0) to select the desired device on the SPI bus?