KrzysiekWeloop tommy has only 4 buttons. Pinout is as follows:
| Button | NRF WLCSP Ball | NRF name |
| BACK | G2 | P0.17 |
| UP | G1 | P0.20 |
| SELECT | H1 | P0.18 |
| DOWN | F2 | P0.19 |
Watch buttons pinout
A project log for Open source sport/smart watch
Make Weloop Tommy an open source sport watch that can connect directly to all kind of sensors (heart rate monitor and so on)
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