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https://forum.pjrc.com/index.php?threads/wolfson-wm8960-dac.62733/ I do not know if it still works I did this during my rum and coke night... Therefore best tested with a Simple Man performed by Lynyrd Skynyrd

I suspect someone there will read this - I have already added myself to their "Teensy back in stock notify lists". The Durban store may be convenient for those living around there.

This place also stock Teensy 4.0's http://www.diyelectronics.co.za/store/development-boards/4811-teensy-40-microcontroller-arduino-compatible-dev-board.html?search_query=teensy&results=2 They are in Durban (1200km from Capetown and 800km from Centurion) Add "info" for their contact email...

Stock has arrived - order quickly! https://www.robotics.org.za/DEV-15583

https://www.robotics.org.za/development-boards/teensy-boards/DEV-15583

Thanks moderator!!

The primary source in South Africa is Micro Robotics in Centurion and Cape Town https://www.robotics.org.za/development-boards/teensy-boards They do answer their phones promptly but are closed for the Easter weekend ...

From the eSPI config file: The ILI9486 RPi display must be of the Waveshare design and use a 16 bit serial interface based on the 74HC04, 74HC4040 and 2 x 74HC4094 logic chips The OP pic shows them all in an L shaped row on the PCB...

(Maybe) ignore my comment on the LCD(A) wiki because: 3.5inch RPi LCD (A) and 3.5inch RPi LCD (B) (revision 1?) are hardware compatible with each other (use different drivers), and can be mutually substituted in most cases. (A) is the low cost version while (B) is higher quality IPS version...

Rather use https://www.waveshare.com/wiki/3.5inch_RPi_LCD_(B) (rev 1 not rev 2) or use https://www.waveshare.com/3.2inch-RPi-LCD-B.htm if yours really is is 320x240 (ILI9341) and not 480x320 (probably ILI9486) For Teensy36 I used the very similar 3.2 inch ILI9341 display like this For the...

This is what the supply of Teensies 3 and 4 looks like in my part of the world - has been like that for months.... https://www.robotics.org.za/development-boards/teensy-boards?sort=p.price&order=DESC

great! thanks!

Keep all your connections as is and install the newest Adafruit VS1023 library - then try the player_simple.ino example in the new library after making the pin changes to what you have. Also check if if you comment out the IRQ part in the example if you can get sound out. Also look at the...

By association the String object is then non-pro...

String BinaryString = String(Value, BIN);

Ok I was bored so I guessed you are referring to the synth here: https://www.notesandvolts.com/2018/05/teensy-synth-part-1.html That part you can certainly test with the Teensy 4.1 and its own audioboard. Note the schematic here...

Ok I see the selection section now - thanks!

Ok thanks but note that the OP managed to get that code with the Status Register referenced, working for the Teensy 4? I'm trying to get some firmware that ran well on a Teensy 3.6 to compile on my new Teensy 4.1 and So, getting the latest SPI library from...

I am fairly stumped by this issue: Codes below compiles fine on a virgin install Arduino IDE183 and Teensyduino 154b4 for Teensy 3.6 If Teensy 4.1 selected then it always stop with 'SREG' was not declared in this scope It obviously compiles and runs without that code section ... If have checked...

If you read the questions and answers at the end of the amazon page it is this LCD http://www.lcdwiki.com/3.5inch_RPi_Display Features 320×480 resolution Resistive touch control Supports any revision of Raspberry Pi (directly-pluggable) Compatible with Raspberry Pi A, B, A+, B+, 2B, 3B...

Never mind I only now saw the code cleaning away part.... Hi beermat if possible share your Teensy library for the Waveshare 125 MHz SPI type C - I have a few of these...

I want to use a 3.5 inch RPi LCD + Touchscreen with the Teensy 4.0. The display can be seen here. I know the page is not in English, but I could not find something else... I do not know if it will help but it is a Waveshare LCD Type (A): https://www.waveshare.com/3.5inch-rpi-lcd-a.htm...

You say on your Github page: "It also includes a number of example sketches for driving Raspberry Pi HATs (this will be expanded upon over time)." That is one of the most important things to add: start a database of Pi HATs and their (modified?) drivers that are compatible with your expansion...

Good that you have persevered and succeeded - I have been watching your posts on the Raspberry Pi forum as well - although as you have now discovered the Teensy forum is a much better place to post a query such as yours.

Final code and Teensy 4.0 also tested //////////////////////////////////////////////////////////////////////////// // GPL3 license Aug 2020 // Based on Wolfson WM8960 STM32 demo code from Waveshare // Demo code BSD license from STMicroelectronics //...

// 1111 1100 b0 =1 PLL on res += WM8960_Write_Reg(0x1A, 1<<8 | 1<<7 | 1<<6 | 1<<5 | 1<<4 | 1<<3 | 1); All done

Yes I started with the Raspberry Pi hat versions: https://www.waveshare.com/wm8960-audio-hat.htm Oops this is link for first post general DAC https://www.waveshare.com/wm8960-audio-board.htm And they sounded very good with h/phones Could not find any Arduino code and the Linux drivers are...

ok sorry formula is on page 60 PLLK = int (2^24 (R-PLLN)) and examples in table 44 44,10kHz f2 = 4 x 2 x 11.2896Hz = 90.3168MHz R = 90.316 / 12 = 7.5264 PLLN = int R = 7 k = int ( 2^24 x (7.5264 – 7)) = 8831526 So why do these changes not work? // Configure clock //...

Sorry here is a schematic and datasheet

I fiddled around with a Wolfson WM8960 DAC until I got it sort of working with a Teensy 3.6 and 4.1 as Audio USB to i2s output passthrough for playing music from a (windows) pc The code that I mangled use 16 bit and 48kHz - it is from Cirrus Logic for use with an STM32 I need to get it down to...

You need to adapt it for i2s out i.e. just replace usb with i2s This is for usbaudio from a pc This is what I use with Teensy 4 // PCM5102-DAC Teensy 4 // VCC 5V // GND GND // LRCK 20 LRCLK1 // DATA 7 OUT1A // BCK 21 BCLK1 You...

You need AudioControlSGTL5000 sgtl5000_1; object I am assuming you are using the audioshield?

The holes next to the micro-SD card reader, are in the same order as the Teensy 4.0, but in a different location. Going from top to bottom on the above picture of the back side, the pins are: • Pin 38 on the outer row • On/off • Program • Ground • 3.3v • Vbat • Pin 27 on the outer row

naah the RC part is the boss over thee...

Ok I will answer half of my own question - no you cannot use PSRAM on the audioboard because its requires Quad SPI. I still do not know if the delay library, with modification, can use the PSRAM on the Teensy 4.1...

Haha.. Essen is OK now. I live 50km away. Juliane was great...but..part of the past, like Grundig and the others. p.s. Gianna Nannini (Italy) was better ;) ..or Sinatras daughter Nancy Yes both Juliane and Nancy are still my favourites - I will check out the other one

Yes but because you did not look after your great electronics companies - Grundig, Telefunken, Siemens. Dutch did not look after Philips. Brits lost Mullard... Edit But you you did make Julianne Werding even if in Essen...

I read it as price versus quality...

I also noted you installed the 23LC1024 ram on the audio board for longer delay times. It is worth enquiring if it is possible to use PSRAM on a Teensy 4.1 for this, and is it is possible to install PSRAM on the audio board? I suspect the info on the PJRC page you referred to needs to be...

I had a look and it is certainly different. I did Lisp a long time ago in a a final year programming course and I remember I had to buy another keyboard because the 9 and 0 keys (with the round brackets) packed up. so this came as no surprise: (defun pulse () (let (down) (loop...

Hi good review but I notice you said you had a lot of noise and you are new to Teeny? Did you try the HP filter disable? - "adcHighPassFilterDisable();" ? Discussed https://forum.pjrc.com/threads/27215-24-bit-audio-boards?p=78831&viewfull=1#post78831

Yes true but pins are precious

"Yes, but there are also schottky that allows only a 300mv drop, that leaves with 4.7v. Usually sufficient for most 5V circuit needs" If your reasoning is valid the next device will also have a diode - that leaves it with 4.4v supply to the third device not 4.7v How do you decide which one to...

What I mean is this - compare yours on the left with the previous on the right:

Thank you very much - I like the separate USB Host block and it follows the footprint pins layout

Staying tuned - Class D changed my long-held strong disposition for even-order second harmonic distortion amplifiers forever...

Yes thanks I know that it is a much less capable device than your ME-70 which is why I am interested in what you have done with yours - it will be a more efficient approach than reverse engineering another Boss Guitar pedal. Just taking a wild guess here - you would not have one of the Marshall...

Yes please - I have a Boss ME-25 which could do with a backroom upgrade

Yes and this is why I have changed my high blood pressure medication... https://www.sciencedaily.com/releases/2020/03/200323101354.htm

Did you bridge two selection pads to make the LCD an i2c instead of SPI? If yes then carefully check if they did not use zero ohm resistors to select the SPI mode which means you have a short from V+ to GND when you connected the LCD to the Teensy Similar to the selection pad here: