Android Solution

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gsagers
Posts: 1
Joined: Thu Jun 21, 2018 8:35 am

Android Solution

Postby gsagers » Thu Jun 21, 2018 9:08 am

So, I've been looking into solutions for a display for the Geiger counter, and have, for various reasons, discarded my original thoughts of using an Arduino + LCD. I know there's GeigerBot for IOS, but it doesn't appear that there's anything for Android after a lot of web searches.

So, after getting serial working on a PC, I decided to see if it would work with and Android phone, and it does, at least with one, a Motorola X4; and should work on any device that supports USB-OTG

HW AND SW:

After that, it's simple, install the app, then just wire the USB-serial converter to J7, the pin numbers below are J7 pins.
  • Pin 1 = GND
  • Pin 3 = VCC (3V3)
  • Pin 4 = TXD (not strictly needed, since counter doesn't take input?)
  • Pin 5 = RXD

2018-06-21 11.25.32.jpg


Finally, plug the USB-serial converter into the OTG adapter, and then into the phone; you'll be asked whether to always launch that terminal app when the device is plugged in. Then, the settings are 9600 baud, all others are default. Last, click the "connect" button at the top of the terminal screen.

You should see something like the following. No, it's not GeigerBot, but it'll do for my simple needs of not counting CPS and CPM manually.

2018-06-21 11.43.40.jpg


2018-06-21 11.43.52.jpg

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mightyohm
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Re: Android Solution

Postby mightyohm » Mon Jun 25, 2018 11:29 pm

This is very cool, thanks for sharing!


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