Electron Incantation: Replacing the middle button on the Logitech M570 Wireless Trackball (or, yes, I really do love this trackball that much)
![Logitech Ergo M575 Dual Mode 2.ghz/bluetooth Wireless Trackball Mouse M570 Up M575 Mouse Union Ergonomic Cad Office Mouse - Mouse - AliExpress Logitech Ergo M575 Dual Mode 2.ghz/bluetooth Wireless Trackball Mouse M570 Up M575 Mouse Union Ergonomic Cad Office Mouse - Mouse - AliExpress](https://ae01.alicdn.com/kf/Hb1ec59a2778b41aa8c957df6738c1886L/Logitech-Ergo-M575-Dual-mode-2-Ghz-Bluetooth-Wireless-Trackball-Mouse-M570-UP-M575-Mouse-Union.jpg)
Logitech Ergo M575 Dual Mode 2.ghz/bluetooth Wireless Trackball Mouse M570 Up M575 Mouse Union Ergonomic Cad Office Mouse - Mouse - AliExpress
![The internal circuit of the Logitech wireless trackball M57. (Color... | Download Scientific Diagram The internal circuit of the Logitech wireless trackball M57. (Color... | Download Scientific Diagram](https://www.researchgate.net/profile/Akshay-Potnuru/publication/262963170/figure/fig8/AS:614374838374420@1523489784773/The-internal-circuit-of-the-Logitech-wireless-trackball-M57-Color-figure-available_Q640.jpg)