Ebyte E104-BT30-TB User manual

E104-BT30-TB User Manual

CSRA64215 Wireless Audio Module+ Adaptor Board+Test Board

Chengdu Ebyte Electronic Technology Co.,Ltd E104-BT30-TB User Manual

CONTENT

1. Overview.............................................................................................................................................................................2

1.1 Brief introduction......................................................................................................................................................2

1.2 Parameters.................................................................................................................................................................2

2. Functions.............................................................................................................................................................................3

2.1 Module introduction................................................................................................................................................. 3

3. Quick start...........................................................................................................................................................................5

4. Disclaimer...........................................................................................................................................................................6

5. Revision history.................................................................................................................................................................. 6

About us..................................................................................................................................................................................6

Chengdu Ebyte Electronic Technology Co.,Ltd E104-BT30-TB User Manual

1. Overview

1.1 Brief introduction

The E104-BT30-TB test board provides all the functional interfaces required for audio testing, making it easy to

quickly test the E104-BT30.

1.2 Parameters

No.

Name

Value

Remark

Module

E104-BT30

Audio module

Chengdu Ebyte Electronic Technology Co.,Ltd E104-BT30-TB User Manual

Size

100 * 61.8 mm

Includes USB port

Power interface

USB/VBT/SPI

Selecting Power by Jumper Cap

Work Temp.

-40 ~ +85℃

Industrial grade

Work Humid.

10% ~ 90%

Relative humidity, non-condensing

Storage Temp.

-40 ~ +125℃

Industrial grade

2. Functions

2.1 Module introduction

LED Indicators:

LED 0: green

LED 1: red

LED 2: blue

Short press time: 300ms

Long press time: 1000ms

Function Sections:

A: Power supply circuit. We provide three power supply methods: USB, battery, and spi. Power can

be switched through the jumper at "Power Switch". Note here that only one power supply interface

can be used at a time. VCHG is the charging interface (reserved)

In this module, the S1 self-locking switch is the power switch and PWR is the power indicator

Chengdu Ebyte Electronic Technology Co.,Ltd E104-BT30-TB User Manual

(green).

B: Adapter board interface, which can be used with our core board and adapter board.

C: This module is an audio input and output module.

S8: press the key, press to switch the input to the MIC interface, the default is the AUX interface

Mic: mic audio input.

Aux_in: aux input (reserved)

Aux_out: audio output interface (3.55mm headphones)

D: program download interface

E: LED indicating circuit, there are three states of LED combination state, unconnected, connected,

and discoverable state

Disconnected state: LED0 flashes twice quickly and then turns off, so reciprocate

Connected status: LED2 is always on

Discoverable status: LED0 and LED2 blink alternately

F: power amplifier circuit

The amplifier circuit is divided into the left channel and the right channel, which can be directly

connected to the speaker. Note that our amplifier can only push 3W power.

To use this external amplifier, you need to connect the jumper cap to the F plate as shown in the

figure.

G: Button circuit. There are five buttons as shown in the figure above. From left to right are MFB,

PLAY, V-, V +, PREV, NEXT.

MFB: It is a start button. Press and hold the power switch. After turning on the phone, it is still in the

pressed state to enter the discoverable state. If it is not pressed after turning on, it is in the

unconnected state. At this time, the paired mobile phone can directly connect to the module.

PLAY: For music playback, the pause button has the following states.

When the phone is connected, short press the PLAY button to play music and pause playback.

When connecting to a mobile phone, long press to disconnect the current connection and enter the

discoverable state. At this time, LED1 will blink once.

When connected to a mobile phone, when there is an incoming call, short press the PLAY button to

answer the call.

V-: This button is for volume reduction. It can be divided into long-press and short-press. Long-press

can continuously decrease the volume. Short-press decreases it a little.

V +: This button is for volume increase. There are long press and short press for the key. Long press

continuously increases the volume. Short press increases it a bit.

Note: The above two volume buttons cannot synchronize the volume of the mobile phone by default.

Chengdu Ebyte Electronic Technology Co.,Ltd E104-BT30-TB User Manual

If you need to synchronize the volume of the mobile phone, you need to turn on the "volume

synchronization control" in the developer mode of the mobile phone. After it is turned on, please

clear the phone pairing and connect again.

PREV: This button is the previous button, which can control the phone to play the previous music

NEXT: This button is the next song button, which can control the phone to play the next music,

H: switch circuit

If it is currently turned off, press it again to turn it on. If it is turned on, press it again and then turn it

off.

Power on, MFB indicator (green) is always on.

Shut down and the MFB indicator (green) goes out.

TWS function:

TWS refers to the multi-connection mode, also called "pair-to-box". Two speakers can be configured

as a master and a slave. The master enters the initiating connection mode and the slave enters the

waiting connection mode.

Enter TWS host: PLAY button + PREV button, the blue light flashes quickly after pressing both

buttons simultaneously for 2 seconds

Enter the slave mode: PLAY button + NEXT button, the blue light flashes quickly after pressing both

buttons simultaneously for 2 seconds

When there is a master and a slave, wait for both parties to connect. After the host presses the PALY

button for a long time, the phone can connect to the host and use TWS normally.

End TWS connected: Press PREV and NEXT simultaneously for about two seconds to end TWS

connected mode.

3. Quick start

Step 1: Connect the USB power supply interface, and then switch the power supply mode to the USB power supply

Step 2: Use 3.55mm headphones to connect to AUX_OUT

Step 3: Press and hold the power button, then press and hold it until it is in a discoverable state

Step 4: Start Bluetooth on your phone, search for the module, and connect it

Step 5: Then the user can follow up the button function to test the Bluetooth module.

Chengdu Ebyte Electronic Technology Co.,Ltd E104-BT30-TB User Manual

4. Disclaimer

This manual is as comprehensive and detailed as possible based on the existing materials. Our company reserves the right

to modify the manual without further notice.

This manual is only used as guide. All information in this manual does not constitute any expressed or implied warranty.

5. Revision history

Version

Date

Description

Issued by

1.0

2020-3-23

Initial version

About us

Sales hotline: 4000-330-990 Tel: 028-61399028

Support: sup[email protected]om Website: www.ebyte.com

Address: Building B5, Mould Industrial Park, 199# Xiqu Ave, West High-tech Zone, Chengdu, 611731, Sichuan, China

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