Arduino uno based gmsk shield for g4klx dvmega gmsk uno v1. Update or reflash firmware its important to keep your modem board firmware update, and sometimes things can get messed up if the firmware is corrupted or the wrong firmware is flashed. Sainsmart mmdvm kit enables the different mode of digital walkie talkie to communicate with each other, it supports dmr, dstad, p25 and works with uhf. The benefit is that the arduino does not use a lot of resources or pins dealing with a high resolution touchscreen, it simply sends serial commands to the screen or receives event notifications such. The nextion lcd touchscreens are great for arduinos because most of their functionality and processes are selfcontained in the screen. Just set up a wifi network temporarily with your own routeraccess point so it can connect then you can access the device through. The bluetooth card, which comes to be clipped on the mega dv card, is available for smartphone and tablet. The installation must be able to be done with windows, but some sudden complications for the installation of the drivers, i propose you to compile and load the firmware from your raspberry pi.
Ambe3000 dongle for g4klx dummyrepeater ambe3000 dongle v1. Micronode international has gone out of business mark has decided to retire so micronode will no longer be providing new product sales. A hotspot allows access to digital radio networks anywhere, thanks to a dmr, dstar or c4fm walkietalkie and an internet connection wifi or 3g 4g via smartphone or tablet. Now to see if mmdvm will work on the pi3 now, before it was saying unable to read firmware 6 times even with ama0 being not used by anything and showing up in the devttyama0. This video will show how easy it is to update the zumspot jumbospot or whatever you want to call it firmware from v1. Along the way i discovered that almost no system is made to disconnect during a conversation. Using an arduino i was able to update the firmware on my chip and enable these new functions. This firmware supports dstar, dmr, system fusion, p25 and nxdn digital voice modes and pocsag 1200 pager protocol. Compiling and mmdvm firmware loading the stm32f103 board will receive the firmware. Change the url so it points to adminexpert, you should only have to add. Note that pistar must have been previously configured to enable ssh access before performing the steps to update the mmdvm firmware. Mmdvm buyers although the mmdvm dual fullduplex with separate transmit and receive radios is an opensource hardware design board, locating a board with the fullduplex opensource implementation, and especially a fullduplex implementation that is endorsed by the mmdvm developers, can be difficult. The firmware is preloaded and is easily upgraded via software.
One of the latest crazes in the world of dmr radio is the chinese iteration of the dmr hotspot. However, cannot get it to connect to iphone hotspot. Bluestack imicroplus, dvmega dual band, preassembled. I can see everything on the pistar but the hat is completely inactive and the mmdvm is not showing on the dashboard. Manual jumbo spot rtq mini mmdvm hotspot dmr radio.
This firmware supports dstar, dmr, system fusion, p25 and nxdn digital. Pistar is a software image built initially for the raspberry pi produced by the raspberry pi foundation. Mar 06, 2018 i have compiled a short video showing you, how to update the firmware of the jumdospot hotspot. This software is intended to be run on stm32f103 microcontroller. The mmdvm software is a fabulous development realised by jonathan g4klx allowing to built a multimode digital hamradio repeater. Can be used with jonathan and andys mmdvm firmware, which could achieve mainstream digital talkback mode hotspot function, including fusion c4fm, dstar, dmr, p25. Assembled acrylic l case mmdvm duplex hotspot for nextion 4. The network interfacing part, that connects to the reflectors, talk group brandmeister or ysf reflector. For example, if you have an mmdvmbased board connected to an rpi via. However, after multiple attempts, the zumspot will not connect. Beginning with pistar dashboard v20181214, you can see in the radio info section which tcxo chip 12. Mmdvm hotspot wifi digital voice modem kit with raspberry. Its also the 1st birthday of pistar, so a new version 3. Bluestack imicroplus, dvmega dual band, preassembled apple.
That being said, this board came up by selecting the stm32dvm. Micronode will continue to honor and support current customers and products that are under warranty. Initially it will support dstar and dmr, with system fusion and p. This does seem possibly at odds with the gpl licence, but is likely to do with digital codec patents. Arduino mega based gmsk shield for g4klx dvmega gmsk mega v1. Naylor g4klx mode, mmdvm, bluedv for windows, or dvmega firmware upgrade mode via xloader tool. Additional note by vk2amv, be very careful of dc leakage into buffer effecting op amp dc bias. Firmware upgrade userguide for mmdvm hatsimplexduplex. Nextion lcd touchscreen tutorial for arduino hackaday. The design concept is simple, provide the complex services and configuration for digial voice on amateur radio in a way that makes it easily accessable to anyone just starting out, but make it configurable enough to be interesting for those of us who cant help but tinker. This new work is in the master branch of the firmware and the host to be found on github. Indeed, it can manage the three digtal modes dstar,dmr and c4fm. Other hotspots, such as the openspot and the dvmega, use their own firmware. Manual jumbo spot rtq mini mmdvm hotspot dmr radio station wifi.
There is a new version of the mmdvm software available. How to identify a genuine mmdvm hs hat by florian wolters. The picture below shows the full duplex test system used by g4klx for the fm and other modes. Im not sure what version of firmware you were running prior to upgrading to 1. The mmdvmpi hardware radio interface is part of the multimode digital voice modem open source project. A personal, lowpower hotspot is a combination of hardware, firmware, and software that. Hope this video helps as the info i found was very misleading.
The firmware for the mmdvm multimode digital voice modem 16 contributors. Mar 23, 2016 an open source project, the multimode digital voice modem mmdvm, allows you to use multiple modes with one set of hardware. All thats required for operation is a mini usb android phone s cablepower source and a wifi based internet connection. I just updated my zumspot using the script provided by pistar. The mmdvm firmware supports the following digital modes. Jon tends to label both mmdvmhost and the mmdvm firmware on the same day.
Running an mmdvm on pistar requires a lot os sleuthing in order to bring the board up and get it running. Short video using ircddbremote app on an iphone to control pistar running on raspberry pi 3 and mmdvm hotspot hat. This mmdvm kit enables the different mode of digital walkie talkie to communicate with each other, it supports dmr, dstar, p25 and works with uhf. I have wanted to build my own hotspot for ages and after doing it i realized it was really easy to do so wanted to do it with you guys. First thing youll have to do is solder the headers on the boards. The communication with an arduino is via a serial uart port. Last night, i installed a different firmware for the hat on pistar and now the mmdvm is not responding at all. Rasbian fully ipdated including kernel fixed for dirty cow fed up of of autolink to ref001 c failing when the ref system changes ip. The fm mode is limited to those running mmdvm modems with fm radios. You wont find any guidance on doing that with your purchase of this device, and i well unde rstood this before making the purchase so im not going to give demerits for the project nature of this device.
User to user support for jumbospot and other mmdvm kits. Firmware is corrupted or out of date, or the incorrect firmware was flashed for the. Second product family will be a range of ambe3000 based usb keys from 1 channel to 6 channels on a single usb key. Fully assembled and tested in a ruggedized aluminum enclosure. I need to do more tests to attempt to confirm whether this problem is exacerbated by leaving a pause, or whether it happens at random, and to also determine where in the hierarchy the problem lies. I also recommend soldering the extra two pin header for firmware updates in the future. Pistar firmware upgrade mmdvm hs hat flash the command has change in new. Yes me too, so it automatically keeps the information up to date no more autolink.
Jumbospot and other mmdvm hotspot user to user support. The following will invalidate any warranties with your dvmega and i will not be held responsible for any damage caused to any item during any attempts to replicate the following. This firmware is already compiled and ready to download automatically using the sudo pistarzumspotflash routine. I had huge problems with less than a microamp of dc leakage through a faulty dc blocking capacitor before i discovered it. Again this is a first step in the disconnect on demand project. Simply put is digital voice cats, digital radio internet gateway, to achieve a variety of digital formats, such as c4fm dmr dstar p25 protocol global internet.
Jumbospot and other mmdvm hotspot user to user support has 3,616 members. My zumspot readily connects to my home wifi and to my att netgear hotspot. The radiomodems firmware controls its key functions. Mmdvm multimode digital voice modem, chinese translation. Ambe3000 dongle for pa7lim bluedv 115k2 version 230k4. A large number of fixes to the control admin pannels. Open source mmdvm firmware preloaded and easily upgraded by software.
Sep 29, 2017 mmdvm is an open source software project licensed under gpl v2, but with a note to say that it is intended for amateur and educational use only, with commercial use strictly forbidden. Howto update dvmega firmware without a programmer or an. Jumbospot and other mmdvm hotspot user to user support public. I loaded a previous beta version and the system came up but cannot read the modem firmware. Jumbo spot rtq is a completely selfcontained digital hotspot supporting dmr, dstar, p25 and system fusion communications. Marcan dmr repeaters mmdvm repeaters callsign location frequency ve1uhf cornwall, pei 442. The installation must be able to be done with windows, but some sudden complications for the installation of the drivers, i propose you to.
Hanging out with hotspots amateur radio notes by ke0fhs. Mark has decided to retire so micronode will no longer be providing new product sales. Pistar firmware upgrade mmdvm hs hat flash the command has change in new versions of pistar, so steps are. Just saw you have one of the mmdvm pog stm32 boards. The bluedv pack includes all the elements to simply create a digital hotspot access point in dstar, dmr or c4fm. Howto update dvmega firmware without a programmer or an arduino disclaimer. Despite an extensive search prior to august 2018, a proper source was not discovered until. This is the first step to the call drop and disconnect reflector talkgroup room on demand. Earlier this year the mega team released a firmware update that allows the dvmega to operate as a dmr, dstar, or fusion hot spot using the mmdvm software. Mmdvm multimode digital voice modem getting started.