MMDVM Repeater builder BI7JTA'S Google blogger

Wednesday, October 17, 2018

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

Monday, October 1, 2018

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.

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

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

Friday, September 7, 2018

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

Friday, August 31, 2018

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

Thursday, August 9, 2018

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

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

New in 2024

Request your DAPNET Auth key

https://hampager.de/dokuwiki/doku.php?id=procedurenewtx

https://support.hampager.de/open.php

(Old)

1, Request your DAPNET Auth key

2, Add your Pager to DAPNET

3, Test send message to yourself.

Run send message to yourself, change the Callsign. (Deprecated in new version of Pi-Star, use web send call or Android, iOS instead )

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).

Wednesday, June 27, 2018

jTA Blog for MMDVM Summary

BLOG LIST IN THIS Article

Youtube Video sharing

Wednesday, June 20, 2018

Duplexer preview

>25W, 1.5KG

64USD + Actual postage

My MMDVM youtube homepage
https://www.youtube.com/channel/UC6Us7z_gkxNKc0PcCuS7fYQ?view_as=subscriber

See also jTA Repeater kit board
http://mmdvm.bi7jta.org/2018/04/about-nano-mmdvm-repeater-kit-board.html

Saturday, June 9, 2018

Flash Nextion Firmware update 2020

Nextion firmware (Model8)

Model8 requirement

Pi-Star 4.1.2 and update to the last

MMDVM Display Type: Nextion Layout:ON7LDS L3,

Nextion-editor ,to change your display style

https://nextion.itead.cc/resources/download/nextion-editor/

Format tools:

https://www.bi7jta.org/files/PiStarTools/SDFormatterv4.zip

Download

1. Local , output for Nextion T serial (4MHz memory), clone from PD0DIB

https://www.bi7jta.org/files/MMDVM_Nextion/

2. PD0DIB homepage, you can modify use editor
https://github.com/PD0DIB/Nextion_HAM-radio-screens

2. G4KLX, the original project

https://github.com/g4klx/MMDVMHost/tree/master/Nextion_G4KLX

Note: HMI file you need to install Nextion Editor, general the tft bin file.

Flash firmware use SD card (TFcard)

Youtube demo: https://www.youtube.com/watch?v=cPOL8UedAGA

How to output different Model tft file?

What is the difference between Nextion and TJC?

Detail: https://www.bi7jta.org/shop/duplex-hotspot-model-a-3d-white-5inch-33

If you not edit/Develop the display content yourself , TJC is enough for use, but use Nextion Model, you will find more resource in Facebook group https://www.facebook.com/groups/Nextion.

K Serial with More storage capacity, RAM

TJC-Chinese Editor

Nextion-English-Editor

Preview :

https://www.bi7jta.org/shop/duplex-model-a-alc-spot-nx-mmdvm-101#attr=165

https://www.bi7jta.org/shop/duplex-bi7jta-spot-model-a-3d-white-2-4inch-34