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I had encountered an issue with the USB connection of my Teensy 4.1 which manifested as a blinking Monitor window following the upload, during which no activity occurred in the monitor window. Today I updated with the Teensyduino (1.59 beta 3) and tested my Teensy 4.1 project on my Win 10 and...

I tried my troubled Board prototype with the T4.1 plus the two I2C devices after installing the new Teensyduino and from the first test, it works! I shall be running the board through a couple other scenarios and if all is Ok, I will post a description of the symptoms which caused me to post...

Thanks, I'll give it a try. It is interesting that the peripheral I was able to succeed in using with the T4.1 is the ADXL345 accelerometer, which only requires Wire1 to initialize and run on I2C, while the other, an ADS1115 requires its own library to connect to I2C via the Wire library...

As to your reply and one from defragster, as soon as I have a code example which highlights the problem but which is less voluminous than the one I've been running with the T3.6 (which works) I will send the result including code, hopefully later today. With some luck, the Teensy upgrade might...

A question: I have two 1.8.19/1.58 installations - one in the ProgramFiles86 folder, and an IDEPortable installation on an external drive. How do I reinstall with the new Teensyduino (1.59 beta3)? Do I need to peform any kind of uninstall in these two areas, or do I simply run the installer -...

As to your reply and one from h4yn0nnym0u5e, as soon as I have a code example which highlights the problem but which is less voluminous than the one I've been running with the T3.6 (which works) I will send the result including code, hopefully later today. With some luck, the Teensy upgrade...

I will try to isolate a good example that is compact enough to be useful. I worked all day today and discovered two things. First, I should say I am working on code that talks to both an ADXL345 accelerometer (SDA1/SCL1) and an A/D converter (SDA/SCL) via I2C via the Teensy 4.1's wire library...

I'm not sure where to post this but I'm having a problem with my Teensy 4.1's that I've seen mentioned here before. I cannot launch scripts where the Arduino monitor window I use to direct program flow doesn't just sit flashing from white to dull white. I looked at the Device Manager and see an...

Thanks. I took a look in the library and it looks like FILE_WRITE will enable me to open and/or append (incl to a newly created file, if I'm interpreting correctly). After replacing the constants in the three locations I opened the micro-SD files for IO with FILE_WRITE, the teensy 4.1 version of...

I'm getting the following warning in a program I wrote for Teensy 4.1 (a program I have been running under Arduino 1.8.12 for the better part of a year): warning: large integer implicitly truncated to unsigned type [-Woverflow] in myFile = SD.open("evctrl.txt", O_WRITE | O_CREAT); Using...

ADS1115-Lite-master

Issue resolved with a library that works.

Hi, I know a number of people have raised the issue of the ADS1115, but I have a basic question. I want to read a set number of values on the first channel of the 1115 ADC where the source is a 0-1 volt 10Hz sine wave supplied by a Teensy 3.2 via the DAC pin. What I need help with is how to set...

Many thanks. The OneHorse charger looks like it would be the way to go once I get past prototyping.

Assuming that I am not using the USB connector at the same time as I am powering the board externally, is it necessary to cut the jumper between Vin and VUSB on the bottom of the board ? If the answer is that it is not necessary, am I correct in assuming that if I want to reprogram the board...