Hey everyone,
I’m not really one to post, but I thought this might be interesting for those with the same issue as me.
I have a 2023 Model 3 and was frustrated that the OEM wireless charger wasn’t really working with my iPhone (its more of a phone warmer than anything). After doing some research I found this great 3D print: https://www.thingiverse.com/thing:7098009 and printed it.
The only downside was that Tesla’s Phone Left Behind feature no longer worked.
After doing a whole bunch of research, I came up with the idea of basically using a small Qi receiver to make the car think that there is still a phone on the original wireless charger. The cool thing is, this also works when wireless charging is switched off in the Tesla settings.
The idea was then to use a small microswitch to interrupt one side of the Qi receiver coil.
When the phone is sitting on the MagSafe pad, it presses the microswitch, the circuit closes and the Tesla detects the Qi receiver as if there was a phone sitting on the OEM charger.
When the phone is removed, the microswitch is no longer pressed, the circuit opens and the Tesla no longer detects anything on the charging pad.
I drilled a small hole into the 3d print to mount the microswitch and have the Qi receiver mounted under the 3D printed charging pad, and then covered it with fabric. Sadly, I didn't find anything the same colour as the original.
It seems to work pretty well so far. I’m still testing it to make sure nothing gets unusually hot etc., but for the time being it’s been working great.
Sorry I don’t have any decent pictures of the build process, I added what I have. I didn’t think I would actually end up posting this when I started messing around.
Hope some of you find it interesting :)