This lower-power, smaller, and lower-cost version of the TReX is the ultimate general-purpose motor controller for small motors: it has a wide operating range (5 to 24 V), delivers 2.5 A continuously per motor, provides current sensing on the two main channels, and it features the TReX triple interface that allows you to control motors from a serial line (RS-232 or TTL), radio control (RC) receiver, or analog voltage source such as a potentiometer.
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- Why can’t I get the TReX or TReX Jr to work at 28.8 or 38.4 kbps baud rates?
- TReX and TReX Jr firmware versions 1.0 and 1.1 have a bug that prevents the device from working at 28,800 and 38,400 bps baud rates. All other supported baud rates work correctly on versions 1.0 and 1.1, so if you do not need them, there is no need to perform a firmware update. Firmware version 1.2 fixes this bug. You can find this firmware update under the resources tab of the product’s web page. Note that you should also upgrade to TReX Configurator version 090923 or later before you perform the firmware update (you will need to manually uninstall any earlier versions of the TReX Configurator). Please see the product user’s guide for instructions on performing a firmware update.