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Hi-Link HLK-B20 User Manual

Hi-Link HLK-B20
17 pages
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Shenzhen Hi-Link Electronic Co., Ltd.
HLK-B20 User Manual
BLE 4.2 wireless module
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Hi-Link HLK-B20 Specifications

General IconGeneral
Output Voltage3.3V
Temperature range-40°C to +85°C
Efficiency85%
Operating frequency2.4GHz
Transmit power4dBm
AntennaPCB Antenna
InterfaceUART

Summary

Product Description and Basic Parameters

Basic Parameters

Lists key features like MCU, RAM, voltage, package size, and interfaces.

Product Overview and Specifications

Technical Specifications

Details parameters like protocol, voltage, speed, frequency, power, sensitivity, and environment.

Module Block Diagram

Illustrates the module's architecture and connections to peripherals.

Default Pin Functions

Lists pin names, types, functions, and default features for integration.

Module Functionality and Operating Modes

Configuration and Control

AT Command Instruction Format

Defines the syntax for AT commands used for module configuration.

Configuration Tool and Minimum System

Bluetooth Data Transmission

Bluetooth Data Transmission Process

Explains how data is transmitted between Bluetooth and the serial port.

Reflow Soldering Temperature Curve

Reflow Soldering Temperature Guidelines

Provides specific temperature guidelines for reflow soldering to prevent module damage.

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