Guru
Joined: 05/10/2019
Location: United KingdomPosts: 8756
| Posted: 04:02pm 06 Jun 2025 |
Of course, in some cases you can get several buttons on a single ADC input by switching resistors. You can save a lot of pins like that. In practice you can probably get 4 or 5 buttons easily, more if your resistor tolerances are good.