Tapster Tbot

Tapster Tbot taps and swipes the touchscreen of a mobile device just like a human finger does. Tbot can be programmed to perform the exact same sequence over and over. The CoreXY design provides a low-profile testing robot at home on the desktop or in the lab. Tbot arrives fully assembled and ready to connect to your laptop with the included USB cable.


A customer needed to tap the touchscreen of a mobile phone and interact with the native apps, but the interaction needed to occur within a small confined space. 


Tapster Tbot taps the touchscreen with a stylus and fits within a small footprint and low vertical space. 

  • CoreXY, midTbot design
  • Rubber-tipped capacitive touchscreen end effector
  • Ships assembled, tested, and ready to go


  • Tappable Area: 140 mm x 80 m
  • Software: Grbl firmware; programmed with G-code supported by a large online community
  • Electronics: Arduino Nano microcontroller ; Pololu A4988 microstepping stepper motor driver carrier boards
  • Motion Control: Stepper motor driven X-axis & Y-axis motion; servo motor driven Z-axis (pen lift / tapping) motion
  • Power: 12V power output (100V-220V input power supply included


  • Computer running Mac, Windows, or Linux
  • USB port
  • Node.js

Common Customizations

Most often customers add push button capability (via PBR) and / or select to have a mounted USB camera added to the configuration. 

Please also refer to the portfolio page for Tbot with Push Button and Camera.

See Tapster Tbot in Action

See Other Robots in Our Portfolio:

Tablet Sized Screen

Tapster Tbot XL


Smartphone and Tablet Sized Screens

Tapster Slide

6-Axis design, Stylus

Smartphone Screen Size

Tapster Tbot


Smartphone and Tablets

Tapster Push Button Robot (PBR)

Press Physical Buttons

Smartphone Screens

Tapster Sidekick

Stylus and Button Press


Tapster 2

Delta Bot with Stylus

For Smartphones

Tbot with customizations

Stylus customized with Button Push and Camera

Tablet Sized

Tbot XL with customization

Stylus and Button Push

Connected Devices

Tapster Paybot

Button Push and Pin & Chip

For Smartphones

Tapster 3

Stylus with Camera, customized with Push Button

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