I wanted to make my phone take photographs automatically to make Frame-lapse/ time-lapse videos. There are of course many apps in play store that can capture Time-lapse but the Output quality is not very impressive and I cannot access the RAW images for Post Production.
There is very nice feature in smartphones that captures a Image when a “Call Receive Button” on the Headsets is pressed. Using this feature I Designed the Time Lapse Timer Remote.
What Actually happens when the Button Is pressed is it shorts the LEFT,RIGHT and MIC lines to GROUND of mobile phone. This activates the Camera Shutter, Music player, or Google Assistant
Let us automate this Feature Using Electronic Timer Circuit and Relay.