EDR Logic Levels

[Mr.RSquared]

Hello,
I am a mentor of an FRC team that has access to a bunch of EDR kits. We are doing some off-season programming instruction, and want to use our python devices (our team currently uses Python) to create some robots which may . Do you know what the logic level is for the Vex EDR signals? We are mostly using the following…
Motors and motor controllers (we may just use an H-Bridge instead of the controller).
Servo
Rangefinder
Line tracker

I am assuming after perusing the docs that the analog sensors have a 5 v logic level. Is this true for all the devices?

Thank you.

Sincerely,
Mr. R^2

[marinmersenne]

I have measured the digital sensor pins on the cortex to have a voltage of 3.3V when written high and the sensors use a 5V regulated supply.
I don’t know what the adc or motor controller voltages are but I can take apart a cortex tomorrow and find the datasheets for the chips.

[jpearman]

If you are using the cortex (as opposed to V5) there’s some details info here

Cortex digital IO ports and the pneumatics driver

I’m going to try and explain why we sometimes have problems with the pneumatics firing and why different programming options are behaving differently. To understand what’s going on some background knowledge is needed on how the digital IO ports are configured by firmware and what features the specific micro controller in the cortex has. To start, lets look at the simplified schematic of a digital IO port from the cortex user manual. [cortex_digital_port.jpg] This shows the 1k ohm series res…

[Mr.RSquared]

Thank you both. That is excellent news. I would be interested to know about the pwm outputs If it is not too much of an undertaking. If it is, I understand.
I found the section of the manual that jpearman quoted, and it goes on to discuss the analog input. I will need to temper the voltages because thought they begin at a mere .2 volts, they do go to 5 volts max which is too much (at least for the esp32s. It seems a simple voltage divider will do the trick though.

We have a beaglebone, a raspberry pi, and many esp32s.

The students are making a lot of headway with Python, and I am excited about the prospect of using this hardware to take their knowledge to the next level.

~Mr. R^2