Making a custom mouse

• Android-DFU-Library

  8 737 8.1 Java

  Device Firmware Update library and Android app

  

And the second important part, the communication chip, is very often a product of Nordic Semiconductors: https://www.nordicsemi.com/

• trackball

  104 715 1.8 C++

  A trackball mouse. Mechanical files, PCBs, and firmware all included.

For an example of the electronics needed, check out the schematics for the Ploopy Classic and Ploopy Nano. They're both trackballs, but that just means they work like a mouse upside down. The Classic uses a PMW3360 sensor (page 6) and the Nano uses a cheaper ADNS-5050 (page 4). Both use an ATMega32u4 for the microcontroller, because they're only used wired. If you want wireless you'll probably need to go for a Nordic chip as /u/SirKnum mentioned. The ZMK firmware is optimised for low power battery usage and has been used for wireless mice/trackballs by a couple of people.

• InfluxDB

  www.influxdata.com featured

  Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  

• nano-trackball

  41 406 0.0

  A very small trackball-only mouse. Mechanical files, PCBs, and firmware all included.

For an example of the electronics needed, check out the schematics for the Ploopy Classic and Ploopy Nano. They're both trackballs, but that just means they work like a mouse upside down. The Classic uses a PMW3360 sensor (page 6) and the Nano uses a cheaper ADNS-5050 (page 4). Both use an ATMega32u4 for the microcontroller, because they're only used wired. If you want wireless you'll probably need to go for a Nordic chip as /u/SirKnum mentioned. The ZMK firmware is optimised for low power battery usage and has been used for wireless mice/trackballs by a couple of people.

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