Description: - This module can store 15 voice commands. The 15 are divided into 3 groups of 5 each. - First, we should record voice commands in groups. - Later,it will import a command set via a serial command before it canrecognize the five voice commands in the group. If we need to implementthe instructions of other groups, we should first import the neededinstruction groups. - This module has a separate speaker. - If your friend enters an instruction by voice instead of your voice instruction, it may not recognize the instructionSpecification: - Voltage: 4.5-5.5V - Current:<40mA - Digital Interface: 5V TTL level UART interface - Analog Input: 3.5mm mono microphone connector + microphone pin connector - Size: 30mm x 47.5mmPackage Includes:1xVoice Recognition Module 1x Microphone 5Piece 4pin wire