This is a kind of USB Serial Terminal application that contains some graphics.
About USB Terminal/Graphics
USB Terminal/Graphics is a tools app developed by Emrecan ÇETİN.
Download Statistics
USB Terminal/Graphics has been downloaded 1.6 thousand times. In the last 30 days, the app was downloaded 29 times.
User Ratings
The app has no ratings yet.
App Information
USB Terminal/Graphics is FREE to download. The APK download size is 7.79 MB. The latest version available is 1.03. The last update was on April 25, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play January 2024.
Description
This is a kind of USB Serial Terminal application that contains some graphics. Also there is a serial monitor in it.
You can use this app with Arduino or another microcontroller for your robotics projects and etc.
This application has feature for communication with Arduinos and other USB serial hardware on Android, using the Android USB Host Mode (OTG).
WARNING!! For now, only these communication parameters are valid: *** Baud: 115200, Data: 8bits, Stop bits: 1bit, PARITY: NONE ***
You can see real time 3 graphics of some values. This values must be sent in a sequence.
This sequence must be like that: Evalue1,value2,value3...\n
For example: "E256,-321,982\n" or "E902,1235,10,23,-325,-1240,90\n" etc.
Warning: Do not send data too much frequently. If there is lag and freezing in the app when there is data traffic, decrease incoming data frequency.
*This application supports up to 7 variables. *You can set graphics' maximum and minimum values. *Autoscaled graphs. *Values are ordered in the order of sending in application. *Each graph can show a value that is selected. *You can set number of graphics that is shown. *Multiple lines can be shown in a graph. *Pinch to zoom both axes in graphs. *Sliding and refreshing graphs. *Data logs can be saved at *ExternalStorage*/USBGraphics/*CurrentTime* directory *Up to 7 lines in multiple line graph for Full version
Arduino usage example for serial printing part for 2 values (adc1 and adc2 are example variables): ... Serial.print("E"); Serial.print(adc1); Serial.print(","); Serial.print(adc2); Serial.print("\n"); ...
MPAndroidChart library is used.
Supported USB to serial converter chips:
FTDI FT232R, FT232H, FT2232H, FT4232H, FT230X, FT231X, FT234XD Prolific PL2303 Silabs CP2102 and all other CP210x Qinheng CH340, CH341A and devices implementing the CDC/ACM protocol like
Arduino using ATmega32U4 Digispark using V-USB software USB BBC micro:bit using ARM mbed DAPLink firmware ...
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For a freebie it works nicely for testing a remote project without taking a laptop along. It took me a while to realize it specifically needs the letter "E" in the first serial.print. Would be good to be able to look at a different app and come back without losing all data. If you could name each data stream on a chart key it would help. I've had it charting 2 set points, 2 measured values and 2 outputs at the same time.
★☆☆☆☆Mr Aylomen· Aug 3, 2025
Doesn't work on nothing phone 3A pro, can't seem to detect any Bluetooth connections.
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Technologies used by USB Terminal/Graphics
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