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so she is the glue that holds the whole thing together?

this version of the a2 board marked 2019-8-29 has the correct pinout for the sd card as far as I can tell.. for the sockets we have now
the a2 version I have. dated 2019-8-30 looks exactly like the...

yes welcome back dan!

we have had people ask for concurrent port pins. port0-7 and 8-15 to be able to do faster I/O dont know of thats possible but I'm sure some people would love to have this.

It's okay take your time. M

so dan, any news? good or bad dont matter. :) can't wait to try the updated version. I have somewhat horrible vision and I didnt have a lot of issues soldering things. even that tiny cap and power...

glad you had a safe trip. and its gonna be fun to try and fix it with enameled wire

I got a message that said stuff would ship this past thursday. so no idea what happened. Have to wait and see I guess. havent decided if I'm gonna desolder the sd card socket and try and rewire it...

anyone heard from @loglow lately?

the issue seems to me a bad pcb design. so cant test code. the sd wires are flipped

its okay, its good to have my conclusions double checked

if you look at the pinout card, pin 39 at the red end actually connects to 34
I used a 'scope probe and actually tested under power. and saw the signals I did and recorded on that post. those...

loglow pcb error. check your pcb with a dmm and a sdcard pinout and you should get the same result I did on the breakout comment. ...

also my breakout is TD-T40B-A2

dont forget when you put the sd card in the socket. you flip it over. so pin one is now on the bottom

there is a reason it wont. its not the teensy, its the breakout , the sdio pinout is flipped..

dat2 is 312.5 hz
dat3 is 156.5 hz
cmd is 5.0 khz
3v is 3.36volt
clk is 2.50 khz
gnd is gnd
dat0 is 1.25 khz
dat1 is 625 hz

so I know the teensy side is working. however it looks to be a...

So far I haven't gotten my t4 to read SD cards. Using the updated sdfat for t4. The same program reads the SD card I tried on the t4 on a t3.6 all my SD pins seem to work on the t4 breakout, is...

on a 3.6 I need to put this BUILTIN_SDCARD but on t4 put it back to SS I guess my soldering job on the sd pins isnt good enough then as I get a error on t4 when running that says no sd card or bad...

one thing I can see, is you have commented out the adc.begin line. thats probably needed before the adc.read will work.

as for the rest, have you tried the demo code included with that lib (if...

its interesting.

hrmm, for t3.6 I have to use BUILTIN_SDCARD
I tried that on t4 and it gives me
SdInfo:22: error: 'BUILTIN_SDCARD' was not declared in this scope
const uint8_t SD_CS_PIN = BUILTIN_SDCARD;

I had the beta version, but I just copied it over the older version, apparently that doesnt work :)

Do I need to set it to builtin sdcard thing? or is that automatic for the t4?
removed the...

apparently I dont know what I'm doing, when I try and compile the sdinfo sketch I get a bunch of errors

Arduino: 1.8.9 (Windows 10), TD: 1.47-beta7, Board: "Teensy 4.0, Serial, Faster, US...

that little switch in the sd card socket isnt connected to anything, so it doesnt matter.

once I have my headers, I can attach the t4 to the breakout board and give it a try.

the t4 does the same

okay, so resoldered pin 24 and it too functions. so now just need the low profile headers from loglow and then I can test the rest of it, btw if you put a thin bit of paper on the top side of the...

its documented in a lots of places.. its a anti brick thing programmed in the bootloader, and supposedly its a feature of all teensy's I think.

remove the battery too. then try the 15 second reset.plug it into usb, hold programming button for 15 seconds..

okay, so put the headers on, and the flex cable, according to the pintest, the only pin I'm having issues with is 24. I need to re solder that one and see if it comes back
all the pins on the flex...

ah well then I wont put them on yet. need to make sure all the pins are working first. waiting for my socket kit to be shipped/get here.

checked the connections between the flex and the breakout (flex wasnt soldered to teensy yet) and they are good. did a clean of the breakout with the 91% I have (ordered 99%) and it looks much better...

I personally do not. I hope someone will chime in, but basicly. if you set the button for falling edge. then check for the next falling edge and unset it
that way it will be off till you hit the...

there is a way to do that yes.

the shroud does slide off actually and it would provide shielding a bit if its soldered down.

and thanks :) took them with my t2i and then cropped for the forum.
and yeah I gotta clean it yet.....

do you have a switch from pin 0 to ground?

okay here are two pictures

okay got the sd card socket mounted, the flex connector, 3 caps and the chip, the usb socket, and the switch. took some pictures will share them in a bit.

found my flux pens
got the sd card mounted, now to slowly do the flex connector.

oh and as for standard RC transmitters.. I have several, I was looking for something a bit more compact :)

that sounds correct to me, dont know if the bounce lib will use the port expander or not.

maybe rinse with distilled water too? or try some rubbing alcohol too?

as easy as paul says, and yes what you want to do, is just that easy!

I've looked at the sd card socket, and while it does look to be removable, I'm worried about getting it back on properly after soldering it on without breaking it. care to share tips?

okay had a...

it should be fairly easy to do what you want, figure out what pins you want to use for led indicators. then set that pin as output. then in the part of the program that detects the falling edge light...

I would like a socket kit myself. I gotta order a flux pen before I start putting mine together, I thought I had one, but I cant find it.. oh well :)

cool I gotta order some low profile headers, and since I cant find my flux pen, one of those too before I can assemble mine.
might have to order a teensy 4.0 because I already soldered pin headers...

found it Arbotix Commander

was in the beta post like I said.
https://forum.pjrc.com/threads/54711-Teensy-4-0-First-Beta-Test?p=207834&viewfull=1#post207834

not what I was looking for. guess I need to go through the posts in the beta forum and see what I can find. it might also be in one of the others.