Tuesday, September 28, 2021
Monday, September 27, 2021
Nextion to MMDVM Hotspot
Nextion to MMDVM Hotspot
Nextion RX <---> TX HAT /USBtoTTL
Nextion TX <---> RX HAT /USBtoTTL
Nextion GND <---> GND HAT /USBtoTTL
Nextion 5V <---> 5V HAT /USBtoTTL
https://www.bi7jta.org/wiki/index.php?title=Main_Page#Nextion_to_Repeater_V3F4
Friday, September 24, 2021
Correct method for adjusting TXLevel #MMDVM_REPEATER
Monday, August 23, 2021
How to Buy? My blog's store and Aliexpress, eBay,
My Blog Store:
** Not need pay any platform cost,
** Buyers from USA, Canada, Southeast Asia, Japan, Switzerland and South Africa, recommend this purchase method (except for buyers from EU countries, EU buyers recommend aliexpress store).
My Aliexpress Store:
https://www.aliexpress.com/store/5077377
** Including 10%~15% platform cost ,local country EU IOSS TAX(if in EU),
** In addition, IOSS tax fees from EU countries will be charged. Buyers from EU countries recommend this purchase method.
DE BI7JTA,73!
Monday, May 24, 2021
How to Configure your BM Static Talkgroup use API-KEY #MMDVM #DMR
Tuesday, May 18, 2021
How to Install NextionDriver for Model 10 #MMDVM
Detail command (Ctrl +C, Ctrl +C )
#Make SD card writable
rpi-rw;
#uninstall history NextionDriver
sudo rm -rf /usr/local/bin/NextionDriver;
cd /home/pi-star;
# clone github code, some unknow issue will cause NextionDriver service not communitication with MMDVMhost service,when use OD7LDS github new code, so this use offline zip code, the old version.
# sudo rm -rf NextionDriverInstaller;
# git clone https://github.com/on7lds/NextionDriverInstaller.git;
sudo rm -f on7lds-NextionDriverInstaller-Offline.zip*;
sudo rm -rf NextionDriver;
sudo rm -rf NextionDriverInstaller;
sudo wget https://www.bi7jta.org/files/MMDVM_Nextion/Driver/on7lds-NextionDriverInstaller-Offline.zip;
sudo unzip on7lds-NextionDriverInstaller-Offline.zip;
# install Driver
sudo chmod +x NextionDriverInstaller/install.sh;
sudo NextionDriverInstaller/install.sh;
echo "Done"
Buy product from me with Nextion Display www.bi7jta.org/cart
73 DE BI7JTA
Sunday, May 9, 2021
How to Adjust TXLevel Match your Repeater Radio #MMDVM
1, Use SDR# , RTL-SDR
2, Use SDR Uno , SDR Play
3, CMU200
Read the detail https://www.bi7jta.org/wiki/index.php?title=Main_Page#Adjust_TX_Level_with_SDR
Monday, May 3, 2021
Solved Problem MMDVM_Bridge DVSwitch "DMR, Master is closing down"
Error logs:
M: 2021-05-04 01:06:20.134 MMDVM_Bridge-20191105_V1.4.1 is running
E: 2021-05-04 01:06:30.243 DMR, Master is closing down
M: 2021-05-04 01:06:30.243 DMR, Closing DMR Network
Fix:
vi /etc/MMDVM_Bridge.ini
[General]
Callsign=BI7JTA
Id=4600***
Timeout=180
Duplex=1 #Change Duplex from 0 to 1
Monday, April 26, 2021
Product available for sell #Repeater board V3F4 with Cable #MMDVM
$59.00
https://www.bi7jta.org/cart/index.php?route=product/product&path=59_62&product_id=52
PayPal
Features:
Repeater and Simplex mode change anytime , through change the RX/TX board line order.
Support MMDVM mode DMR/YSF/P25/NXDN/DSTAR/POCSAG
More demo in Youtube page https://www.youtube.com/wintershuang
Product available for sell #Duplex Model_A : ALC_SPOT_NX
$175
Features:
Support MMDVM mode DMR/YSF/P25/NXDN/DSTAR/POCSAG
Double timeslot in DMR mode, act as a mini Digital voice repeater.
Support VHF/UFH, frequency range: 144MHz-148MHz, 420MHz-475MHz,842MHz-950MHz, Avoid satellite frequency: 145.8~146 MHz , 435~438.000 MHz
High-quality ECS TCXO, stable with low BER.
Saturday, April 17, 2021
-
Update 2019-12-01, I continue update in my Wiki website https://www.bi7jta.org/wiki ,now have completed: for DR-1X for GM338-CDM1250-C...
-
Important update ,from firmware v1.4.12 Frequency restrictions to avoid satellite interference. Please avoid the following ranges: 145.8-...