Hi, we need to build a light and tiny bluetooth [url removed, login to view] device when triggered would activate an app on the person's smartphone (android/ iPhone/ Blackberry).
14 pekerja bebas membida secara purata $702 untuk pekerjaan ini
Dear Sir, I have sound knowledge in Mocro-controller based circuit designing and programming. and also in Android and iOS App programming..... I could be the designer you need