Ebyte E28-2G4M12S User Manual
Sx1280 2.4 ghz smd wireless module
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Summary of Contents for Ebyte E28-2G4M12S
- Page 1 E28-2G4M12S User Manual SX1280 2.4GHz SMD Wireless Module...
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Page 2: Table Of Contents
Chengdu Ebyte Electronic Technology Co., Ltd. E28-2G4M12S User Manual 目录 1. Overview........................................2 1.1 Brief introduction ..................................2 1.2 Features .......................................2 1.3 Application ....................................2 2.Specification and parameter ................................3 2.1 Limit parameter ..................................3 2.2 Operating parameter .................................3 3.Size and pin definit ion ..................................4 4.Basic operation.......................................5... -
Page 3: Overview
1. Overview 1.1 Brief introduction E28-2G4M12S is a 2.4GHz bluetooth module designed by Chengdu Ebyte,with long distance and ultra -low power consumption. E28-2G4M12S is small-sized SMD module(pin spacing 1.27mm),built-in PCB antenna and IPEX antenna. High precision 52MHz crystal is used. -
Page 4: Specification And Parameter
Chengdu Ebyte Electronic Technology Co., Ltd. E28-2G4M12S User Manual 2.Specification and parameter 2.1 Limit parameter Performance Main parameter Remark Min. Max. Voltage over 3.6V will cause permanent Power supply（V） damage to module Chances of burn is slim when modules are Blocking power（dBm）... -
Page 5: Size And Pin Definition
Chengdu Ebyte Electronic Technology Co., Ltd. E28-2G4M12S User Manual 3.Size and pin definition Pin No Pin item Pin direction Pin application Power supply: 1.8~3.6V (Ceramic filter capacitor is advised to add) Ground, connecting to power supply reference ground M ISO_TX... -
Page 6: Basic Operation
Chengdu Ebyte Electronic Technology Co., Ltd. E28-2G4M12S User Manual 4.Basic operation 4.1 Hardware design It is recommended to use a DC stabilized power supply. The power supply ripple factor is as small as possible, and the module needs to be reliably grounded.；... -
Page 7: Basic Application
Chengdu Ebyte Electronic Technology Co., Ltd. E28-2G4M12S User Manual to obtain the interrupt status. However, it is recommended to use the external interrupt of the MCU. After SX1280 restores IDLE mode or configures sleep mode, it is recommended that the power configuration table be reinitialized. -
Page 8: Module Is Easy To Damage
Chengdu Ebyte Electronic Technology Co., Ltd. E28-2G4M12S User Manual Power register was set incorrectly, air data rate is set as too high (the higher the air data rate, the shorter the distance). The power supply low voltage under room temperature is lower than 2.5V , the lower the voltage, the lower the transmitting power. -
Page 9: Reflow Soldering Curve
Chengdu Ebyte Electronic Technology Co., Ltd. E28-2G4M12S User Manual 7.2 Reflow soldering curve 8.E28 Series Frequency Tx power Test distance Model No. Package S ize Antenna (Hz) (dBm) (km) E28-2G4M 20S SX1280 2.4G 15 * 26.5 IPEX/PCB E28-2G4M 12S SX1280 2.4G... -
Page 10: Antenna Guidance
Chengdu Ebyte Electronic Technology Co., Ltd. E28-2G4M12S User Manual 9.Antenna guidance 9.1 Antenna recommendation The antenna is an important role in the communication process. A good antenna can largely improve the communication system. Therefore, we recommend some antennas for wireless modules with excellent performance and reasonable price. -
Page 11: Revision History
Huaa About us Technical support: support@cdebyte.com Documents and RF Setting download link: www.ebyte.com Thank you for using Ebyte products! Please contact us with any questions or suggestions: info@cdebyte.com ------------------------------------------------------------------------------------------------- Fax: 028-64146160 ext. 821 Web: www.ebyte.com Address: Innovation Center D347, 4# XI-XIN Road,Chengdu, Sichuan, China...