The STM32-DVM-MTR2K contains no trim pots. In fact, most of the documentation is identical, including the calibration procedure and firmware updates (though I recommend manually putting the board into boot loader mode.) This board is heavily based on the Repeater-Builder STM32-DVM. Pi-Star users: The default serial port /dev/ttyAMA0 is correct. For those ready to dig right in, you need to know that the serial port is /dev/ttyS1. Most users will probably want to use Pi-Star, and I’ve never used it, so I’m not going to be much help there anyway. Likewise, this article will not cover setting up the OrangePi Zero/NanoPi NEO on the STM32-DVM-MTR2K. This article expects you to have some familiarity with Motorola RSS software and that you know how to configure it, which is beyond the scope of this article.
The best write-up I’ve seen (and probably the one most of the others are derived from) is by PD0ZRY and is located here.
There are plenty of examples of that on the internet already. First off, this isn’t a general write-up on using the MTR2000 with MMDVM. In this post, I’ll discuss how to set up your MTR2000. Previously I introduced the STM32-DVM-MTR2K, an integrated MMDVM modem and host on an easy-to-use plug-in-card for the MTR2000. All articles in this series can be found by searching the “MTR2K” category.) - Justin, NV8Q There will be future posts covering different aspects of the MTR2000/MMDVM integration. It does not store any personal data.(Editor’s note: This is the second installment of our series of posts on the Motorola MTR2000 repeater and MMDVM board. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. The cookie is used to store the user consent for the cookies in the category "Performance". This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Other. The cookies is used to store the user consent for the cookies in the category "Necessary". The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". The cookie is used to store the user consent for the cookies in the category "Analytics". These cookies ensure basic functionalities and security features of the website, anonymously.
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