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I have the same issue with a Teensy 4.1 and a Teensy 4.0 attached to the same PC. Selecting the correct device and compiling it as such then results in; Found 2 Teensy boards, but using auto-search to find board for upload. Please use Tools > Ports(Teensy) to select the specific board. I also...

after some diagnosis of the PCB - I found two diodes placed backwards from the agreed SMD, which were causing power issues on the teensy board (quite rightly!) This issue is now resolved. For future refference to all - on the Teensy 4.1 the two USB pads underneath ARE directly connected to the...

Hi Both, Sorry I wasnt able to upload a high res image as it kept failing. The connector system I am using is the Molex MX120 family of automotive sealed connectors. On the mating connector I have literally terminated a 1m USB cable. I have continuity checked from the teensy USB pads (after...

Hi Paul, I thought this also might be the issue - especially with some lovely manufacturers not being able to stick to a common code for green/white in cables! I have tried with them around both ways by swapping the terminals in my test loom to the PC, and get the same fault each time. I've...

Hi All - some help/advice would be greatly appreciated! I've made a mistake by not paying full attention to the datasheet showing the USB pads under the 4.1 board to be USB host only and therefore unable to connect/programme through. I've got 15 ENIG assembled PCB's that now won't function...

Thank you for the response. I guess it’s sensible to wait till you have stock and go from there rather than me risking making some awkward tea coasters! I’ve joined the tindie waiting list so will see if I make the first batch. Thank you for your help.

Hi Phil, thank you for the immense effort you have clearly out into this board and for sharing the outcome! I’d love to implement this controller on my small CNC mill, however I can’t find stock of it anywhere. I noted the Gerber files you kindly provided and I got as far as uploading them to...