TrackWeight: Turn your MacBook's trackpad into a digital weighing scale

Post by linux2647 » Mon, Jul 21, 2025, 3:32 PM UTC

hn_throwaway_99 wrote: post #8

I think this is neat, but only in a Rube Goldberg machine sort of way. The instructions are: 1. Open the scale 2. Rest your finger on the trackpad 3. While mainting finger contact, put your object on the trackpad 4. Try and put as little pressure on the trackpad while still maintaining contact. This is the weight of your object That is, the pressure sensors only work if it detects capacitance, so you need to be touch…

Post by DonHopkins » Mon, Jul 21, 2025, 3:41 PM UTC

Post by thrownawaysz » Mon, Jul 21, 2025, 3:43 PM UTC

Post by namdnay » Mon, Jul 21, 2025, 3:55 PM UTC

hn_throwaway_99 wrote: post #8

I think this is neat, but only in a Rube Goldberg machine sort of way. The instructions are: 1. Open the scale 2. Rest your finger on the trackpad 3. While mainting finger contact, put your object on the trackpad 4. Try and put as little pressure on the trackpad while still maintaining contact. This is the weight of your object That is, the pressure sensors only work if it detects capacitance, so you need to be touch…

Post by notpushkin » Mon, Jul 21, 2025, 4:01 PM UTC

benoau wrote: post #3

There used to be iPhone apps that did something similar - https://www.theverge.com/2015/10/28/9625340/iphone-6s-gravit...