The way the battery case is connected has been changesd This video discusses the changes.You can see it here….
Instructions to load the app. The app was created on the MIT s App Inventor(App Inventor libraries need to be downloaded from Google Play., this was chosen as another learning tool. In the event that people want to modify this app they can use the free MIT 2 App Inventor.
Installable file (.apk)…Bluetooth_car (APK for phone)
Modifiable file (.aia)…Bluetooth_car (AIA for MIT 2 App inventor)
(2) Geared Motors (DG01D-A130)
(1) Arduino Pro Mini
(1) Dual-Channel H-Bridge Motor Driver (L9110)
(1) 4X AA battery pack
(12) Dupont connecting wires
(10) 1/4″ screws
(4) 3/4″ screws
(1) 3D Printed Car parts
(1)Andriod Smart Phone w/Bluetooth
(1) MIT 2 App Inventor support files (in Google Play Sotre)
(1) 3DBT App
The 3D printed Bluetooth car (3DBT car) is ready to run when assembled, no programming required. You can modify the included program or install a completely new one. You can also, change or build a new mobile app to run the car since everything is open and freely changed. You decide if/when.