You don't give us much to work with. Is the Teensy being mounted on another PCB where you could use tiny spring contact pins? Could you pick the +5v from the Vin pin on the corner of the Teensy and use a USB-C to...
I'm doing something like this with a Teensy 3.2.
In your drawing you have the PowerBoost 5v output going to the T4.1, so it (may) only gets recognised as USB device when it is powered on. Maybe the T41 is barely...
I reinstalled/updated both the IDE (1.8.13) and Teensyduino (1.53) and as suspected, the problem resolved itself.
Perhaps (???) it was related to the issue discovered here: ...
The display is wired as a 5v unit.
The circuitry is on two (2) different PCBs with traces no longer than 4-inches.
Screen resolution set for 480x800.
Since the T32 and T35 have a common sub set of pins,...
I'm working on a new project that uses an RA8875 display and am having problems with the display not functioning. It is a 5-inch Buydisplay.com ER-TFTM050 that uses the GSL1680 touch screen which is working. The...
Are you using 10k pull ups on the CS lines? Initializing the SD card before the display to be sure it is in SPI mode? Show us your wiring and code as it helps us to help you.
Will that sensor act as you expect it to? Do you have an optical mouse? Try running your hand around it and see how well you may control the cursor position. Try this at different distances. Maybe this is not the...
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