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Motrol: A hardware-software device for batch benchmarking and profiling of in-lab mobile device clusters
Juan Manuel Toloza1, Matías Hirsch1, Cristian Mateos1
1ISISTAN-UNICEN-CONICET, Tandil, Argentina.
Hardwarex
|August 1, 2022
Summary
Motrol is an affordable, open-source hardware/software platform that automates battery performance testing for mobile devices. This device simplifies mobile device battery profiling, reducing manual intervention for researchers.
Area of Science:
- Computer Science
- Electrical Engineering
Background:
- Automated testing is crucial for evaluating battery performance in mobile devices.
- Existing methods often require significant human intervention and specialized equipment.
Purpose of the Study:
- To introduce Motrol, a low-cost, user-friendly platform for automating battery-driven tests on smartphones.
- To enable efficient battery performance profiling for Android devices.
Main Methods:
- Developed a hardware/software platform using a NodeMCU ESP8266 microcontroller.
- Implemented firmware with a web server for RESTful requests to control relays.
- Designed the system to manage power delivery to up to four mobile devices.
Main Results:
- Motrol successfully automates the enabling/disabling of power to mobile device chargers.
- The platform minimizes the need for manual intervention in battery testing.
- The total cost of the Motrol platform is approximately USD 30.
Conclusions:
- Motrol provides an accessible and cost-effective solution for automated mobile device battery testing.
- The platform is easy to assemble and requires no prior electronics or programming expertise.
- Motrol facilitates the study of battery behavior in mobile devices through automated profiling.
