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I cut the power line from my micro USB cable and power my teensy/peripherals via an external PSU. I think I've narrowed down the issue to an initialization problem for the rudolph driver

Got the cmd_testcard working in the riverdi example. Surprised how nice the display looks! Now working on how to correct initialization timings(?) because the display lists don't load when I turn the power off and then back on.

Hey @TFTLCDCyg, I added one end of the 10k resistors directly onto the 20pin display breakout board to the same pins as you did in your pics (miso/mosi/sck) with the other end of the resistors going to a 3.3v line, and the pins in the breakout go directly to my teensy 4.1 headers (CS pin 10...

Hello TFT, Thanks for checking up. I had to go away for work for a few weeks, but I am back to working on this. For my 4.1, I tried the riverdi sample linked above (fixed the code I think), the rudolph, and yours, but the screen never showed any power or anything working. The 4.1 is still...

I appreciate your help, TFTLCDCyg. I am going to work on this and update this thread.

Hey TFTLCDCyg, I used your comment from here to set up the connections from my display to my 4.1. Like your pictures, I did a similar setup like you did here. I use the same 20pin cable that goes to a breakout board, which then is soldered onto a breadboard with the connections going to my...

Hello. I have this Riverdi 4.3" capacative display. Datasheet link. BT817 chip programming guide. I have used the Riverdi ardunio uno shield with this riverdi sample app/program to start. This one is similar to the Rudolf library. I also was able to successfully make this sample program into...

I messed up the drawing. I have the halls connected to a separate 5v rail. (I have a multi channel PSU, all powered components share the same ground). I am going to try your pulse count method. I think it will be more precise than what I was doing. Thanks again for your help.

Hi @PaulS and @MatrixRat I did what you both suggested, added a 1k resistor from the sn74 output to the 3.3 vcc and it started working with my teensy rather than the teensy being fully unresponsive. A huge step forward towards the right direction. Thanks for both of your inputs. I forgot to...

I tried that, but it still wasn't working.

Hi all, I got my hands on a few DC motors (no label/name except 12v/5A and hall sensor name sharpied on it) with this hall effect sensor soldered to it. Pages 4&5 have the specs. I have a 5V power supply used for the sensor. set up: Same code, different pins used, difference is using this...