Showing posts with label MMDVM_BAT. Show all posts
Showing posts with label MMDVM_BAT. Show all posts

Sunday, May 5, 2019

User guide for MMDVM_BAT (battery inside)

Basic operations
1, Press POWER button 1s to startup hotspot, wait 30s OLED screen show MMDVM status, when MMDVM service Initialization completed.
2,Press POWER button 5s to shundown hotspot.
3,Press POWER button 3s to reboot hotspot.
4,Double press POWER button to open the LED Flashlight lamp, double press to close

It takes about four hours to charge to 100%.(Ensure input charging 5V1.3A~2A)
It can supply power for about 20 hours.
Automatic shutdown hotspot during charging

Youtube video 
How to connect to your Wifi router









 (Duplex HS external SMA ANTs, 0.1 watt, 4 meters distance with wall barrier
 just for reference!)

Update: from now I use Raspberry 3B HAT replace Zero HAT; Purpose: large place to obtain low BER.


Battery install sample if you DIY yourself.
Take care the + - poles ! ! First full turn off the hotspot after pressing for 5 seconds, then soldering , otherwise it will burn your device! 





More videos sharing 


Check out this model $80
https://www.bi7jta.org/cart/index.php?route=product/product&path=59_74&product_id=75

BI7JTA'S HAM RADIO help you build your Digital Repeater and Hotspot easier.

  For your easy DIY work . Winters CN for more information, h ave fun!  MMDVM Repeater board V3F4 , DMR YSF D-STAR NXDN M17 POCSAG FM htt...