Nextion Multi-DISPLAY configuration guide

Effect display 

Source  https://www.facebook.com/groups/nano.mmdvm/

     By @BI7JTA

By @F8BSY

@F4EWI

Firmware (.HMI)
PD0DIB  https://github.com/PD0DIB/Nextion_HAM-radio-screens
BI7JTA https://www.bi7jta.org/files/MMDVM_Nextion
F4EWI https://twitter.com/F4EWI_Thierry/status/1076438473387708416

Driver
https://github.com/PD0DIB/Nextion_HAM-radio-screens/wiki/FAQ-Nextion.driver-by-ON7LDS

Connect multiple Nextion displays @on7lds
https://on7lds.net/42/connect-multiple-nextion-displays?fbclid=IwAR15V-c1FHBvgcTwOIBVbBfBOHFOm0bXU3cUi8umRYTotIK_0G0hLtECD6E

NanoPi_NEO Instruction

NanoPi_NEO Wiki http://wiki.friendlyarm.com/wiki/index.php/NanoPi_NEO

Product for MMDVM 
http://mmdvm.bi7jta.org/2018/04/userguide-and-openbox-video-for-nano.html

Bluetooth Adapter for Nextion User guide

Can also use USBtoTTL adapter

Test: 

AT 

Set Master

AT+ROLE=M

Set Slave
AT+ROLE=S 

Set Baud

Send:AT+BAUD2
Return:OK2400 ,support:
1--------- 1200
2--------- 2400
3--------- 4800
4--------- 9600(Default) 
5--------- 19200
6--------- 38400 
7--------- 57600 
8--------- 115200 
9--------- 230400 
A--------- 460800 
B--------- 921600 
C--------- 1382400 

  

Linux Base Operate and PI-STAR Operation System

1) Re install VIM

Enter ssh mode for PI-STAR
http://pi-star:2222/
Login as
usr: pi-star
pas: raspberry

1, re-install the purge VIM (poor version)
sudo apt-get -y remove vim-common;
sudo apt-get -y install vim  

2) Pi-Star enter root mode

root account without passowrd use "sudo su" 

3) Pi-Star install XLXd reflector

Other:

Suit OS: Debian, Armbian, Raspbian

Scan WiFi

pi-star@pi-star(ro):~$ sudo iwlist wlan0 scan  | grep SSID
                    ESSID:"888888-2G"
                    ESSID:"TP-LINK_A4F2"
                    ESSID:"TPGuest_755569"
                    ESSID:"Fan"
                    ESSID:"OGLO"
                    ESSID:"vanilla"
                    ESSID:"888888-8G"
                    ESSID:"CMCC-vanilla"
Add WiFi :

sudo nano /etc/wpa_supplicant/wpa_supplicant.conf  
ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev 
update_config=1
ap_scan=1 
fast_reauth=1 
country=JP     
network={             
        ssid="888888-2G"     
        psk="0123456789"           
}                         

MMDVM Repeater User Case Motorola #MTR2000

IW6BFE

IS0XDA

the circuit diagram and the value of capacitor used to drive the TX Audio of MTR2000

Repeater MMDVM guide by BI7JTA
https://mmdvm.bi7jta.org/2018/04/about-nano-mmdvm-repeater-kit-board.html
Motorola MTR2000 and MMDVM

http://www.repeater-builder.com/motorola/mtr2k/mtr-index.html

TJC_Display firmware for MMDVM

TJC screen firmware for MMDVM

 TJC4224T022_011

Wiki
http://wiki.tjc1688.com/doku.php

Firmware HMI and TFT/  Editor download
https://www.bi7jta.org/files/MMDVM_TJC_USART/
   

DOWNLOAD: https://www.bi7jta.org/files/MMDVM_TJC_USART/

DISCUSS: https://www.facebook.com/groups/nano.mmdvm/ 

Add Bluetooth connector between Nextion and Duplex hotspot

Purpose:

Use HC05 instead of USBtoTTL Serial port

Preview:

New update see http://mmdvm.bi7jta.org/search/label/Bluetooth_SettingGuide

Connect to PI-STAR, setup your WiFi config

Quickly start guide

Prepare an IP address scan tools  

http://www.advanced-ip-scanner.com  [for Windows]

https://www.fing.com/  [Fing for iOS/Android]

1  Power on your hotspot ,wait about 30s to startup completed

2  Configute network for your Pi-star,

LAN: 
if there is a LAN port in NanoPi or RPi, insert RJ45 line, the routers automatically allocate the IP address, use a computer browser (must use Firefox or Chrome) to access the IP address, set up your personal information.

WiFi Self-AP: 
the first time connect to hotspot
Open the phone, search the WiFi AP "Pi-Star"

then join it , password is "raspberry" , use mobile browser ,visit http://192.168.50.1,

add the WiFi you need in the WiFi setup column

Reboot.

Login userid : pi-star , 

Password: raspberry 

* This way now just support inner Raspberry Pi Zero, Pi 3B, Pi 3B+, not support USB WiFi NanoPi NEO.

Use default WiFi SSID 
(Suit who buy full set product from BI7JTA)

Add a shared WiFi on the cell phone or router, the default access WiFi:

SSID:888888-2G password: 0123456789 , when connected, visit pi-star dashboard  

iOS shares WiFi hot spots: http://pi-star.local

Other devices share WiFi: http://pi-star

Login User: pi-star ,Password :raspberry

Just for reference, SSID set to  888888-2G

The final way, use "Pi-Star WiFi Builder" ,then download and copy to your TFcard root, the method need a TFCard to USB adapter.
http://www.pistar.uk/wifi_builder.php

If the domain name can not be identified, use IP tool APP like “FING” to find the IP address of the box.

3 Configute your digital radio

The default setting frequency is 433.550MHz, DMR mode, time slot 2, color code 1, and DMRid 4600000

Private call to  9990 ,use parrot mode for echo test.

IP address scan tools:

Feature: Support mobile WiFi Share AP scan
iNet - Network Scanner [iOS]
https://itunes.apple.com/cn/app/inet-network-scanner/id340793353?mt=8
IP Tools: WiFi Analyzer [Android]
https://play.google.com/store/apps/details?id=com.ddm.iptools&hl=en

MMDVM HDMI Desktop OS

Power requirements: HDMI screen, if power supply with raspberry 3B together, require more than 5V3A; separate power supply, ensure that the HDMI screen has 5V2A input.


Features: Touch support, need to connect between HDMI's MiroUSB and raspberry USB interface.

Hardware: 7inch HDMI Display-C (1024x600 I advise or 800x480) Raspberry Pi 3B/3B+(or Pi ZW) Duplex hotSPOT by VR2VYE && BI7JTA OS base on Pi-Star V3.4.15 for RPi 3B/3B+/ZERO Can upgrade to new version use ssh command as follow: sudo pistar-update && sudo pistar-ugrade
run startx to start UI
IMG download http://vr2vye.myq-see.com/download/ Discuss thread in facebook https://www.facebook.com/groups/nano.mmdvm/permalink/2073325829364721/ Continue update

User Guide for RPi hotspot with FAN, Simplex hotspot,Model MMDVM_AlloySPOT,RPiZW SPOT Basic Edition

The first time use MMDVM Simplex hotspot , you can follow this guide.

1, Config WiFi  Connect

2, Config Pi-Star setting

3, Config Digital Radio setting

3.1 DMR radio

3.2 YSF radio

3.3 P25 radio

3.4 D-STAR

3.5 POCSAG

Firmware upgrade
http://mmdvm.bi7jta.org/search/label/Firmware_upgrade

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

Pager Setting User Guide 0810/update 2023.12.04 #POCSAG, #DAPNET

YouTube demo https://youtu.be/TFliDkjQnR0

MMDM System Requirement

Pi-Star 3.4.16 or higher

Firmware 1.4.8 or higher

Software description

Download: 

Support Windows XP, Windows 7, Windows 10, Windows11

Pager ID programming software:

Software V3.2+ adapter:

Software: https://www.bi7jta.org/files/POCSAG/Pager_ID_Programmer-SI-V3.24s_Li-ion.zip

Software V3.09 adapter:

Software: https://www.bi7jta.org/files/POCSAG/ProgrammerV3.0.9_2020_CH340.zip

USB Adapter use CH340 Chip (Support Windows11)

USB Driver : https://www.bi7jta.org/files/POCSAG/Driver_CH341_SER_Support_Windows11.zip

Driver install and hardware connection:

USB Adapter use Pager id Chip (Very Old version)

https://www.bi7jta.org/files/POCSAG/Programmer_x64x32.zip

Settings
Write your RIC and S/N ,frequency

Enable Night-light

Video for LCD

Register your DAPNET account https://hampager.de/

Test send message in web: https://hampager.de/#/calls

Test send message in Android/iOS: 

Google Play for free : https://play.google.com/store/search?q=DAPNET&c=apps

AppStore $0.99USD: https://apps.apple.com/us/app/dapnet/id1638627303

Register your PagerID (HAM RADIO in MMDVM)

1, Request your DAPNET Authorkey

2, Add your Pager to DAPNET

3, Test send message to yourself.

Run send message to yourself, change the Callsign.

sudo pistar-dapnetapi BI7JTA "Test message 144.5125MHz, RIC 123456"

Add your Pager RIC to DAPNET, one callsign can add multiple RIC

View log

tail -100f /var/log/pi-star/DAPNETGateway-2018-09-01.log  

Pager Feature && instruction

PLL or crystal, 137-199 MHz and 400-499 MHz, POCSAG. 

Please notice that the frequency you use.

*One device just with 4MHz bandwidth.
*The frequency can be customized in the frequency range, 4MHz bandwidth you can program when come out factory.

For example, your order 1x 439.9875MHz, you just can use 437.9875-441.9875 MHz.
You can not use 458.6625MHz when you customize 439.9875MHz.

*Default frequency is 439.9875MHz.

Warning

Q&A

1) You can use the default RIC id if can not write your ID, the first and the second have Beep Beep  voice,

2) Some language  Character coding not support in DAPNET server,  will cause unintelligible text, change to English is ok.

3) Some time DAPNET server connect timeout, try later or change network(WiFi).