Band decoder MK2

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!!KIT assembly instructions * '''{.redka#id color: #f23f37;}First time{/}''' connect USB to band decoder and your PC, and check (device manager in windows) '''that the USB converter has been recognized correctly.''' Contact us if you have any problems and do not continue assembly. [https://remoteqth.com/img/wiki-bd2-ftdi.png] ---- If detect right, you can continue. [https://remoteqth.com/img/wiki-bd2-12.jpg] All components !!!Soldering in six steps [https://remoteqth.com/img/wiki-bd2-13b.png|noborder] * '''1 -''' bottom pad '''J1 USB connector''' * '''2 -''' U5 '''DIL socket''' * '''3 -''' RL1 '''Relay''' * '''4 -''' P1 P2 P10 P11 JP1 '''Pin header''' * '''5 -''' S1 Reset '''button''' * '''6 -''' J2 '''D-SUB connector''' [https://remoteqth.com/img/wiki-bd2-14.jpg] ❏ Short JP5 JP7 '''SMD jumper padds on bottom side''' ❏ In '''version 1.2''' the supply voltage of relay outputs is decoupled from the power supply of the device (open emitter) . If you want to use the same voltage short pin JP10. If you want a different voltage then you can put it in pin 23. !!!Display [https://remoteqth.com/img/wiki-bd2-15.jpg] ❏ Deploy '''from the left side''' Left LCD holder on PCB board [https://remoteqth.com/img/wiki-bd2-16.jpg] ❏ Put LCD [https://remoteqth.com/img/wiki-bd2-17.jpg] ❏ Deploy Right LCD holder on display and '''deploy to PCB from front side''' [https://remoteqth.com/img/wiki-bd2-18.jpg] ❏ Display cabe - on both side '''using only outside pins''' [https://remoteqth.com/img/wiki-bd2-19.jpg] ❏ Connect display and PCB board - '''Red arrow shows polarity''' [https://remoteqth.com/img/wiki-bd2-23.jpg] ❏ '''Insert PCB with display to aluminium box''' and tighten with two screws ❏ I2C display need preset '''address in firmware'''{{#define LcdI2Caddress 0x3F}} The most common are values 0x27 or 0x3F. *If display dont work ** [Upload I2C scanner firmware|https://playground.arduino.cc/Main/I2cScanner] ** Open terminal Ctrl+Shift+M [https://remoteqth.com/img/wiki-bd2-22.png] ** Write detect addres to band decoder firmware !!!!Select I2C LCD chip * If type of chip is PCF8574'''AT''' ** Install library '''LiquidCrystal_I2C''' ** Disable line {{// #define LCD_PCF8574T}} * If type of chip is PCF8574'''T''' ** Install library '''LiquidCrystal_PCF8574''' ** Enable line {{#define LCD_PCF8574T}} ❏ Preset '''{.redka#id color: #f23f37;}LCD contrast{/}''' with '''potentiometer on rear side LCD module''' !!!Power [https://remoteqth.com/img/wiki-bd2-20.png|noborder] ❏ Connect power, typicaly '''13,8V from transceiver'''
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