Data Sheet
www.veear.eu
2 EasyVR 3 (Plus) User Manual (1.0.17)
Table of Contents
EasyVR 3 Module ............................................................................................................. 6
Product Description ........................................................................................................6
EasyVR 3 Features .......................................................................................................6
Technical specifications ...................................................................................................7
Pin assignment ...........................................................................................................8
Settings and indicators .................................................................................................9
Physical dimensions .....................................................................................................9
Recommended Operating Conditions .............................................................................. 10
Power Supply Requirements ......................................................................................... 10
Electrical Characteristics ............................................................................................ 10
Serial Interface ........................................................................................................ 11
Microphone ............................................................................................................. 12
Audio Output ........................................................................................................... 14
General Purpose I/O .................................................................................................. 15
Flash Update ........................................................................................................... 16
Quick start guide for using the module .............................................................................. 17
Assembly notes ......................................................................................................... 17
EasyVR 3 as a Development Board .................................................................................. 18
EasyVR Shield 3 for Arduino .............................................................................................. 20
Product description ....................................................................................................... 20
EasyVR Shield 3 Features ............................................................................................. 20
Technical specifications ................................................................................................. 21
Board overview......................................................................................................... 21
Pin assignment ......................................................................................................... 22
Mode Jumper settings................................................................................................. 23
Software Serial Pins settings ........................................................................................ 23
Quick start guide for using the Shield ................................................................................. 24
Assembly notes ......................................................................................................... 24
Prepare the software ................................................................................................. 25
Prepare the hardware ................................................................................................ 25
Shield configuration table ........................................................................................... 26
Test the Shield on Arduino ........................................................................................... 26
Test the Shield from the EasyVR Commander .................................................................... 27
Download custom data or Firmware update ...................................................................... 27
EasyVR Programming ....................................................................................................... 28
Communication Protocol ................................................................................................ 28
Introduction ............................................................................................................ 28
Arguments Mapping ................................................................................................... 29
Command Details ...................................................................................................... 30
Status Details ........................................................................................................... 37
Communication Examples ............................................................................................... 40
Recommended wake up procedure ................................................................................. 40
Recommended setup procedure .................................................................................... 40
Recognition of a built-in or custom SI command ................................................................. 41
Adding a new SD command .......................................................................................... 41










