Alright this is my first post on this forum. I'll try to provide sufficient details but have mercy.
So I am trying to make an Arduino UNO (master) and a Teensy 4.1 (slave) communicate via SPI. More specifically, the UNO sends the Teensy a byte...
Hello, I am trying to communicate with a DFMiniPlayer using a Teensy4.0. I am powering the teensy with a 7805 regulator. However, when powering with the external regulator I just get a high pitched noise coming out of the speaker, with no music...
Over the last year, I developed a universal DAQ system to capture data from any I2C, SPI, RS232, analog or whatever-protocol sensor. It allows simultaneous and synchronous data capturing of up to eight sensors (or even more - see description) and...
Thanks so much for your quick reply.
Hopefully i have some time next week to look deeper into it. It still surprises me that so few? users seem to have any interest in this topic, even it is the only way to produce pitched samples on the teensy -...
40 LEDs times 30µs means around 1.2ms blocked time for the LED update.
However OctoWS2811 or WS2812serial are great options with non-blocking functionality.
I've changed nothing since post #100, so https://github.com/h4yn0nnym0u5e/teensy-variable-playback/tree/feature/set-start-point is the most recent (October 2023). Best? Who knows? It seems to take months to get any feedback on changes, and even...
Thank you so much for this article! I am still using FastLED with OctoWS2811 this way and I am super grateful and happy about this guidance. I simply don't know or didn't find other ways in the past. I am glad that everything is working...
Confirm, the main reason is to prevent possible back flow of current into your PC. Or the same into whatever power supply is connected to Teensy, if that power supply is turned off while the PC gets connected.
Indeed the risk in practice is...
So I decided to make a facelift, adding SDCARD and USB-PD which supports the PD protocol up to 12V. There are pads to solder if you just want to use the second port as a pass through with 5V. Meaning, it will deliver the same 5V coming into the...
I did not bring out any special ports. All that was done was SDCARD and USB-PD. But ofc we can keep going and make a gen5 that has more stuff. But it needs coordinating, Rezo and KurtE together could make a full pin mapping, that would be ideal...
OK, pulled all three files (source, recording-1, and recording-2) in Audacity. Reviewed each in detail, recording-1 was 1 one-hundredth of a second longer than the original wav file but the extra was "dead air" so apparently Audacity ignored that...
That looks like the equal and opposite problem … ending a recording and tidying up takes a few milliseconds, so the other recording has (by the look of it) time to get a couple of buffers recorded before you stop it. I may not have tested it, but...
OK, pulled all three files (source, recording-1, and recording-2) in Audacity. Reviewed each in detail, recording-1 was 1 one-hundredth of a second longer than the original wav file but the extra was "dead air" so apparently Audacity ignored that...
I did not bring out any special ports. All that was done was SDCARD and USB-PD. But ofc we can keep going and make a gen5 that has more stuff. But it needs coordinating, Rezo and KurtE together could make a full pin mapping, that would be ideal...
I see you made a lot of changes and improvements in this topic.
Could you point me to the best/most recent version of your various branches to try to adapt for my scenario, meaning playing polyphonic, pitched samples from SerialFlash ? (or even...
Thanks for this fantastic reverb. I've run the stereo plate reverb example on a teensy 4 with the pjrc audio shield and am amazed and how this sounds.
I saw there was previous mention of it being merged with the teensy library, but I can't find...
If you mean by "extended can frame" the extended frame format with 29 identifier bits, you can use the FlexCAN_T4 library. It also supports CANFD mode.
Paul
Thanks VERY much for that info. I actually ran into [I believe it was you] informing someone else on another much earlier thread on how to "pause" the interrupts so you could setup for recording but I could not remember exactly how it was worded...
I did not bring out any special ports. All that was done was SDCARD and USB-PD. But ofc we can keep going and make a gen5 that has more stuff. But it needs coordinating, Rezo and KurtE together could make a full pin mapping, that would be ideal...
Shortly after Teensy 4.x came out I wrote this article describing a way you could use FastLED with the code in OctoWS2811_imxrt.cpp which let you use your comfortable FastLED pixel manipulation, fast color math, etc. etc. etc. while outputting in...
There's at least a couple of things going on here. One is that the SDTEST1.WAV file has additional information in its header, making the header 138 bytes long, rather than the 44 bytes that's generated by the AudioRecordWAVstereo object. The...
I did not bring out any special ports. All that was done was SDCARD and USB-PD. But ofc we can keep going and make a gen5 that has more stuff. But it needs coordinating, Rezo and KurtE together could make a full pin mapping, that would be ideal...
Testing the different cameras on the SDRAM board became problematic - not sure if wiring/connector issue but alot of problems we were seeing was with the wiring as @KurtE mentioned on the camera thread about wiring. So we decided to make a...
Just wondering, are you saying that on the current Devboard 4, that the 3.3v Voltage regulator is maybe to anemic to run some of the different devices that you have connected to it? And that maybe we should add another one to connect the...
No. The OV2460 runs off three different voltages: 2.8V for the analog sensors, 1.2V for the core and 3.3V for the I/O portion. The ArduCam boards have two regulators on the back to generate the lower voltages from 3.3V but I just have the camera...
I found an Arduino 8080 parallel IF used for the RA8875 (same 8080 interface as RA8876) that uses 74LV245's as buffers for the Due and possibly the Mega 2560 found here. I am going to order up some of these chips if I don't have any left and see...
So I decided to make a facelift, adding SDCARD and USB-PD which supports the PD protocol up to 12V. There are pads to solder if you just want to use the second port as a pass through with 5V. Meaning, it will deliver the same 5V coming into the...
My mistake I thought led limits were per data line when in actual fact they are per teensy then depending on how many pixels pre data line determines how many data line are used. Thanks for the update.
So I decided to make a facelift, adding SDCARD and USB-PD which supports the PD protocol up to 12V. There are pads to solder if you just want to use the second port as a pass through with 5V. Meaning, it will deliver the same 5V coming into the...
So I decided to make a facelift, adding SDCARD and USB-PD which supports the PD protocol up to 12V. There are pads to solder if you just want to use the second port as a pass through with 5V. Meaning, it will deliver the same 5V coming into the...
So I decided to make a facelift, adding SDCARD and USB-PD which supports the PD protocol up to 12V. There are pads to solder if you just want to use the second port as a pass through with 5V. Meaning, it will deliver the same 5V coming into the...
If your Teensy is already in bootloader mode you can read out the USB-HID usage constant with (probably) any HID library. The HID-Usage then defines the Board. See here for a list...
I found an Arduino 8080 parallel IF used for the RA8875 (same 8080 interface as RA8876) that uses 74LV245's as buffers for the Due and possibly the Mega 2560 found here. I am going to order up some of these chips if I don't have any left and see...
If your Teensy is already in bootloader mode you can read out the USB-HID usage constant with (probably) any HID library. The HID-Usage then defines the Board. See here for a list...
Hi, Just wondering how to go about this. I have a bunch of arcade buttons connected to a Teensy 4.1. Currently 16 but possibly around 40 eventually. Each one is fitted with a ws2812 pixel.
I'm wondering the best way to control these - I'll want...