download the Blynk App for Android or iPhone and create a brand new app.
Drag 4 buttons, a slider, and the BLE widget builtintegrated new app.
Edit the slider, it needs to write down zero-255 to V0.
The buttons are configured as momentary push buttons, they send a one at the same time as pressed and a zero while released: Left forward = V1, proper forward = V2, Left Backward = V3 right Backward = V4.
From the Blynk app configuration click on the button to e mail the authentication token to your self, we can use this builtintegrated Arduintegratedo App.