-40%
APRS DIGI digital trunk board for GM300
$ 36.91
- Description
- Size Guide
Description
2020 new product, plug and play GM300 dedicated APRS DIGI digital trunk boardNote that there is no USB to TTL download line
Without WIFI module, you need to contact us with WIFI module.
Periodically processed according to the purchase quantity, usually 1-2 weeks after purchase
The APRS DIGI Digital Edition is a state-of-the-art embedded digital repeater designed for the majority of HAM.
Has the following basic characteristics: codec is efficient and stable, compact, micro power consumption, easy to use, simple installation and wiring, plug and play
Basic hardware features:
Input working voltage: 5-15V (limit 15V)
Micro power consumption: 18mA (12V)
Motherboard size: 50*25mm
3.3V low voltage CPU STC12LE5A60S2
Imported FX604 hardware modulation and demodulation circuit
Coded modulation output level is adjustable
TTL serial interface (9600 rate)
Support ISP firmware upgrade
Optional DS18B20 digital temperature sensor
Green LED indicator:
The radio RF receives the data and flashes after successful decoding.
Red LED indicator:
The station RF transmits a beacon, which flashes when relaying.
Blue LED indicator:
During standby, the interval 1S flashes, indicating that the motherboard is operating normally.
LED other status:
1 When the main board is powered on or reset for the first time or when the setting parameters are saved, the white LED flashes at the same time.
If the GM300 does not have a panel, please follow the jumper settings below.
Setting tips:
Do not connect the interface board to the radio. Connect the interface board with a USB to TTL data cable. The power is supplied from the USB to TTL data cable.
1. You don't need to enter the instructions word by word.
2. Just enter any character and return to the full list of instructions.
3, in the list, copy the instructions you need to the software send area, modify the parameters, point to send.
4, pay attention to the end of the instruction plus a carriage return.
*** APRS 51TNC FOR GM300 DIGI 20140625 BH4TDV ***
POWER: 4.8V TEMP: 29.7C
The first line returns the version number, the current working voltage, and the DS18B20 temperature value (if installed)
Command: AT+HELP=1 Enter
Description: List all instructions.
Command: AT+DEMO=1 Enter
Description: Set to restore the motherboard defaults.
Command: AT+TIME=600 Enter
Description: Set the beacon timing transmission time, the range is 0-65535 seconds. When 0 is set, the beacon is closed. The default value is 600 seconds.
Command: AT+CALL=NOCALL Enter
Description: Set the beacon call sign, the default call sign is NOCALL, uppercase, up to 6 digits.
Command: AT+SSID=10 Enter
Description: Set the beacon SSID, the default is 10, and the parameter value range is 0-15.
Command: AT+DIGI=1,0,1 Enter
Description: Set DIGI, it must be 3 parameters, separated by commas.
Bit 1: Forward when receiving data with WIDE1 path, 0=off, 1=enabled. Default = 1, enabled.
Bit 2: Forward when receiving data with WIDE2 path, 0=off, 1=enabled. The default is 0, which is off.
Bit 3: Insert the relay name when forwarding is allowed, 0=off, 1=enable. Default = 1, enabled.
Command: AT+BEACON=1,!,3134.31N,/,12020.22E,r,APRS 51TNC GM300 DIGI
Description: Set the path requirements, type, latitude, icon set, longitude, icon, custom information of the beacon
among them:
1 relay forwarding path
0=No path, no need for other relay forwarding
1=Includes WIDE1-1 (default)
2=Includes WIDE1-1, WIDE2-1
! Indicates the type character, a fixed length of 1 word, generally do not need to be changed. For modifications, refer to the APRS protocol manual.
3134.31N indicates latitude, non-fixed length, filled in by format.
/ Indicates the icon set, generally do not need to be changed. For modifications, refer to the APRS protocol manual.
12020.22E indicates longitude, non-fixed length, filled in by format.
r indicates the icon style displayed on the server map. The fixed length is 1 word. Refer to the APRS Icon Set to change it.
APRS 51TNC GM300 DIGI
Indicates custom information, up to 50 words in English. If you want to write PHG information, fill in the top box.
* The DIGI voltage report is automatically inserted at the end of the gateway information section.
* The relay board will automatically detect if the DS18B20 temperature sensor is installed. If it is detected, a temperature report will be inserted.