The scavenger hunt thread is very popular, so I thought, why not make an informational version of that? :egg: :egg: :egg: The rules are simple: Over the years, @jpearman (and others?) have released details about the internals of Vex technology that are not publicly documented. Find those and re-p…

Optical sensor update rates: [image] V5 optical sensor refresh rate Programming Support The optical sensor will send back data to the the brain every 20mS, however, to make the sensor sensitive enough to light the default integration time is 103mS, that means that normally…

5.5W Motors: [image] New Products - December 2022 (5.5W Motors) VEX News I’ll answer some of these, some I would need to lookup details so will skip those. This is not a new motor, it’s been shipping with EXP for several months. The firmware is very similar to the 11W m…

Vex Electronics Taken Apart: [image] Pictures of Internals of V5 components Technical Discussion I got some requests to post the pictures I took while disassembling and reassembling my V5 components, so here they are. [DISCLAIMER: Don’t take this as a guide in any way. Do…

controller::button::PRESSED: [image] One button start, One button stop (C++) VEXcode V5 Tech Support Here, a couple of examples for you. Obviously move most of the code into usercontrol, except leave the event registration in main if you go that route. This one using th…

[image] Calibrate The guido class, which is generally never used by customers although could be, looks like this. namespace vex { class guido { public: guido(){}; virtual ~guido(){}; // pure virtual methods that must be implemented virtual doubl…

A few finds from messing around this season, including some random fun facts. vex::vision::code is largely undocumented/unexplained. I believe these work similar to Pixy2 Vision Codes Suprisingly, vex::pneumatics isn’t listed anywhere on VEX help resources (they recommend using digital_out instead…

[image] Tropical: Headers for libv5rt can be easily accessed via the vscode extension (since lv5rt.a is a static library). teehee~ there is more fun to be had here

LVGL running on VEXcode; uses some undocumented v5 API calls for configuring the brain display properly. [image] VEXcode V5 Pro - LVGL Music Demo VEXcode Pro V5 Text Tech Support The LittleV Graphics Library (LVGL) has some nice demo code. One example is a music player de…

Vision sensor methods. [image] Also it’s probably important to mention the comment suggests that these could likely be removed or recieve breaking changes at any time, so probably don’t use these.

Details on controller position vs. value [image] 6 Motor Arcade Drive VEXcode Pro V5 Text Tech Support The whole point of position() returning values in the range +/- 100 was so it could be directly used in APIs that take percentage as a parameter. We kept value() (which …

Undocumented Vex Tech Scavenger Hunt

VEX V5 General Discussion Technical Discussion

OrangeMan March 21, 2023, 2:31pm 18

detecting if motors are plugged into the brain