devices

Dear community, I am writing to you because I want to develop a device that will help people with hearing and speech impairment to be able to use any smartphone in daily calls. How it will work: The user will have to connect the device to his/her smartphone through Bluetooth and will have...

Is there any devices for the deaf for vehicles that can give visual warnings (strobe flashing) that headlights is still on and stuff that can be easily forgotten or overlooked (most especially when headlights during daytime can be forgotten and left on overnight that can potentially drain the...