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Home » Products » Voice Recognition & Audio Chips & Modules » Printed Circuit Board Assembly (PCBA) » Original manufacturer Hot Sell Premium Patent Circuit Boards for High-Performance Custom AI PCBA Solutions

1.AI Speech Recognition Chip PCBA

2.High-performance wake-up engine, low power consumption,supports English with a low false wake-up rate

3.One wake-up for continuous dialogue, making voice operations more convenient and natural

4.Single microphone solution, supports home scenarios up to 5meters

5.Multi-scenario Voice Control Solution Supplier

6.Exclusive Patent AI PCBA, High qualith and technology

Original manufacturer Hot Sell Premium Patent Circuit Boards for High-Performance Custom AI PCBA Solutions

1.2 Pin Definitions
Module pin definitions
serial number	Pin Definitions	IO types	Function
1	SPK+	O	Speaker connector positive terminal
2	SPK-	O	speaker connector negative terminal
3	MIC-	I	Microphone input
4	MIC+	I	Microphone input
5	5VRX	I	Module serial port RX, 5V level
6	5VTX	O	Module serial port TX, 5V level
7	GND	P	power ground
8	VCC	P	Power input
Module programming port pin definitions
P1-1	PA2	I	Programming I/O ports
P1-2	GND	P	Programming port power ground
P1-3	VCC	P	Programming port power input
Note: P indicates power pin, I/O indicates input/output pin, I is the input pin
1.3 Electrical Parameters
Electrical parameters	describe	Minimum value	Maximum value	unit
Ts	Storage temperature	-20	85	ºC
VCC	Power input	2	5.5	V
1.4 Working conditions
parameter	describe	Minimum value	Typical value	Maximum value
Ta	Operating temperature	-20	20	85
VCC	Operating voltage	3	5	5.5
Ia	Peak operating current (8Ω 1W) (depending on amplifier and speaker power)		100	350
Ib	Standby operating current		13	15