Difference between revisions of "Main Page"

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==== FM Analog mode ====
 
==== FM Analog mode ====
  
How to install patch
+
[[File:FM-Configuration.JPG|500px]]
  
http://118.27.16.110/files/fm-patch/
 
  
  
My facebook demo show
+
How to install patch
 +
http://118.27.16.110/files/fm-patch/
  
 +
Demo in My facebook page
 
https://www.facebook.com/winters.cn
 
https://www.facebook.com/winters.cn
 
  
 
==== Adjust TX Level with SDR ====
 
==== Adjust TX Level with SDR ====

Latest revision as of 08:24, 23 May 2020

Welcome to BI7JTA'Wiki for MMDVM.

Begin December 1, 2019, I will continue update this WIKI page instead of Google blog, I am working on MMDVM just for my hobby, I am happy to share my knowledge and resources about MMDVM opensource project.

Google blog https://mmdvm.bi7jta.org

Amateur radio store ,provide and support by BI7JTA

https://www.bi7jta.org/cart

Youtube video

https://www.youtube.com/channel/UC6Us7z_gkxNKc0PcCuS7fYQ

You can contact me by bi7jta@gail.com and Facebook IM

73 DE BI7JTA

MMDVM Setting guide

Config WiFi

Video

Duplex HOTSPOT

双工板ECS+RPi3B 280p.PNG

  • Connect to WiFI Network
  • Config Pi-Star

DMR MODE

Config-DMR-EN ALL.JPG

YSF MODE

Simplex mode

YSF设置-单工模式.jpg


Duplex mode

YSF设置-双工模式.jpg


Radio setting, FT-2D sample

YSF 电台FT-2D设置1280p.png

P25/NXDN

BER(Bit Error Rate) adjust

OffsetRadioAndHAT Duplex.JPG

  • Config radio

Repeater Board

Key words: Accessory connector Pinouts ,connection diagram, Data Jack,

V3F4 Pinout define

V3F4接口定义 英文.JPG


Motorola-Adapter-Pinout.JPG


FT-7900/7800/8900 YAESU

(1) Connection definition

V3F4接口定义 FT7800.PNG


(2) Radio settings

The forwarding station (eg. ft-7900) is set to Rx 9600bps. Please refer to the manual for the operation process


(3) Pi-Star setting

Keep the TXInvert = 1, RXInvert = 0, if RX(the repeater side) can not decode any data , try RXInvert = 1

FT-7900-PiStar-Expert.png


(4) Cases demo

FT-7900-two-radios.JPG


DR-1X YAESU

Main settings:Data jack,RX bps,Pi-Star RX/TXInvert

Spectrum test video https://www.youtube.com/watch?v=xtx1nRY0LbU

Data jack

DR-1X-to-MMDVM V3F4.JPG


Radio RX Setting bps: Packet Speed 9600bps

Packet-Speed-9600bps.png


The cable made by me

DR-1X-MMDVM-V3F4.JPG

GM3188/GM3688/CM140

GM3188-V3F4-ALL.JPG


GM3188 Program 02.jpeg


GM338-CDM1250-CDM1550-CDM750

Build-MMDVM-repeater-for-GM338-CDM1250-CDM1550-CDM750.JPG

GM340-Accessory.JPG

ICOM IC-208H

DATA Define

IC-ICOM-208H.png


GM300/M120

GM300 M120 MMDVM Settings V3.JPG

MTR2000 Motorola

Share by @IW6BFE Arrio , verified by @BI7JTA 
Pi-Star settings:
[Modem] 
Port=/dev/ttyAMA0
TXInvert=0
RXInvert=0
PTTInvert=0
TXDelay=100
RXOffset=0
TXOffset=0
DMRDelay=165
RXLevel=70
TXLevel=55
RXDCOffset=0
TXDCOffset=0
RFLevel=100
CWIdTXLevel=50
D-StarTXLevel=50
DMRTXLevel=50
YSFTXLevel=50
P25TXLevel=50
NXDNTXLevel=50
POCSAGTXLevel=50
RSSIMappingFile=/usr/local/etc/RSSI.dat
Trace=0
Debug=0


#/usr/local/etc/RSSI.dat
# RSSI Default Values for MMDVM_HS
#
3545         -50
3295         -55
3059         -60
2834         -65
2598         -70
2362         -75
2132         -80
1896         -85
1707         -90
1470         -95
1239         -100
1003         -105
770          -110
483          -115
171          -120
24           -125
15           -130

Radio settings: 
Reference "Programming an MTR2000 for the STM32-DVM-MTR2K"
http://ks-dmr.net/2019/04/30/programming-an-mtr2000-for-the-stm32-dvm-mtr2k/

Additional explanation

Repeater-Setting-PTT-Type.jpg

RebootIssue BG2FX.png

  • Fix the automatic reboot issue when press DMR radio PTT ,sharing by @BG2FX


Repeater-Settings-TX-Deviation.jpg


MTR2000-Pi-Star Expert TXinvert 0.png


MTR2000-2.JPG


I have made a cable for MMDVM repeater board , you can checkout in my shop https://www.bi7jta.org/cart/

MTR2000-DEMO.png


The programming cable work with Windows XP,

MTR2000-Programming cable by bi7jta.JPG


Resource: https://www.bi7jta.org/files/radioCPS/mtr2000/

FM Analog mode

FM-Configuration.JPG


How to install patch http://118.27.16.110/files/fm-patch/

Demo in My facebook page https://www.facebook.com/winters.cn

Adjust TX Level with SDR

Adjust-SDR Spectrum-2Mb.JPG

Click to view large image

Config TalkGroup WhiteList

1, Enter ssh mode http://pi-star:2222

Add attribute "Slot1TGWhiteList", "Slot2TGWhiteList" to file /etc/mmdvmhost ,

rpi-rw
sudo nano /etc/mmdvmhost
[DMR]
Enable=1
Beacons=0
BeaconInterval=60
BeaconDuration=3
ColorCode=1
SelfOnly=0
EmbeddedLCOnly=0
DumpTAData=1
# Prefixes=234,235
Slot1TGWhiteList=
Slot2TGWhiteList=

2, Enter Expert mode http://pi-star/admin/expert/edit_mmdvmhost.php

Add the TG value as follow ,then test

DMR白名单.png DMR白名单-测试.png DMR白名单-DA.png

MMDVM_BAT(Battery inside)

Model BAT 3 S thumb.jpg


Config WiFi demo: https://www.youtube.com/channel/UC6Us7z_gkxNKc0PcCuS7fYQ

Config Radio demo:

Advanced Settings

Register DMRID

DMRID/NXDNID/RADIOID

Set Static Talkgroups

First, you must Register brandmeister.network

Second, set static talkgroup for your DMRID , support ESSID (the two number tail of your DMRID)

Duplex mode, demo link https://brandmeister.network/?page=rep-edit&id=460072322 ,

Simplex mode, demo link https://brandmeister.network/?page=hotspot-edit&id=4600724 ,

Explain:

rep-edit: Duplex repeater mode , can use TS1,TS2 the same time.

hotspot-edit: Simplex mode, just can use TS2,

460072322: 4600723 is my DMRID, 22 is my duplex hotspot ESSID, corresponding to my hotspot DMR ESSID item

Nextion and OLED display

Nextion to Duplex Hotspot

Nextion显示类型选择.JPG


Nextion to Repeater V3F4

Nextion connect.png


Nextion to Bluetooth Model

BAT EXTRA BT02 NEXTION ALL.JPG


OLED Setting

双工板ECS+OLED-GPIO-1080p.JPG


OLED-旋转180度 ALL.JPG

Radio for MMDVM

TYT-MD380-tools

TYT-MD760/GD77-MMDVM-HOTSPOT