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E280-2G4T12S User Manual

SX1280 2.4GHz TTL High-speed LoRa Wireless Module

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Summary of Contents for E280-2G4T12S

Page 1: ...E280 2G4T12S User Manual SX1280 2 4GHz TTL High speed LoRa Wireless Module...

Page 2: ...and pin definition 7 4 Recommended connection diagram 8 5 Detailed function 9 5 1 Fixed point launch 9 5 2 Broadcast launch 9 5 3 Broadcast address 9 5 4 Listening address 10 5 5 Module reset 10 5 6 A...

Page 3: ...Parameter setting command 14 8 Hardware design 16 9 Common problem 17 9 1 Transmission distance is not ideal 17 9 2 Module is easy to damage 17 9 3 The error rate is too high 17 10 Welding operation g...

Page 4: ...duction use modification or disclosure to third parties of this document or any part thereof without the express permission of EBYTE is strictly prohibited The information contained herein is provided...

Page 5: ...it can actively correct the interfered data packet which greatly improves the reliability and transmission distance The module has data encryption and compression functions The data transmitted by the...

Page 6: ...cifications 2 1 Limit parameters Main Parameters Performance Minimum Performance Max Remark Power supply voltage V 0 5 5 Over 5 5V will permanently burn the module Blocking power dBm 10 It is less lik...

Page 7: ...Reference distance 3000m Clear and open environment antenna gain 5dBi antenna height 2 5 meters air rate 1kbps Launch length 121 Btye Normal mode using 1Mbps airspeed 221 Btye Continuous transmission...

Page 8: ...ed it can be grounded 4 M1 enter The combination of M2 M1 and M0 determines the 8 working modes of the module cannot be suspended if not used it can be grounded 5 M2 enter The combination of M2 M1 and...

Page 9: ...floating 9 VCC Module power supply positive reference voltage range 2 3V 5 5V DC 10 GND Reference place Module ground 11 GND Reference place Module ground 12 19 NC Empty feet not connected 20 GND Ref...

Page 10: ...Electronic Technology Co Ltd 9 5 Detailed function 5 1Fixed point launch 5 2Broadcast launch 5 3Broadcast address Example Set the address of module A to 0xFFFF and the channel to 0x04 When module A i...

Page 11: ...he module 5 6AUX detailed It indicates whether the module has data that has not been transmitted wirelessly or whether it has received wireless data that has not been sent out through the serial port...

Page 12: ...0 Mode introduction Remark 0 Transmission mode 1 0 0 Serial port open wireless open continuous transparent transmission Airspeed supports manual configuration and self adaptive automatic adjustment wi...

Page 13: ...ser MCU can also go to sleep before the mode switching and use the external interrupt function to obtain the AUX changes thereby performing the mode switching This operation mode is very flexible and...

Page 14: ...C1 C1 16 Enciprome format sends three C1 the module returns the saved parameters and must be sent continuously 3 C2 operating parameters 16 based format sends a C2 5 byte working parameter a total of...

Page 15: ...ue commands to the module serial port HEX format C4 C4 C4 module will generate a reset during the reset the module performs self test AUX output low reset After the AUX outputs high the module starts...

Page 16: ...Link mode Porture Rate 1200 9600 19200 channel calculation formula is 2400 CHAN 2MHz Porture Rate 4800 57600 115200 The channel calculation formula is 2400 CHAN 4MHz Porture Rate 460800 921600 The cha...

Page 17: ...significantly When designing the power supply circuit for the module it is often recommended to retain more than 30 of the overhead and the whole machine is good for long term stable operation The mo...

Page 18: ...near the antenna or in a metal shell the signal attenuation will be very serious Power register setting error the air rate is too high the higher the air rate the closer distance At room temperature t...

Page 19: ...at temperature max Tsmax Maximum preheating temperature 150 200 Preheat Time Tsmin to Tsmax ts Preheat time 60 120 sec 60 120 sec Average ramp up rate Tsmax to Tp Average rise rate 3 second max 3 seco...

Page 20: ...some antennas are used as a wireless module with our wireless module and the performance is excellent and reasonable Product number Types Frequency band Gain size Feeder interface Characteristics Hz...

Page 21: ...pyright 2012 2021 Chengdu Ebyte Electronic Technology Co Ltd 20 12 2 Antenna selection Enable PCB onboard antenna default Enable IPEX interface 13 Batch packaging Revision history Version Date Descrip...

Page 22: ...Co Ltd 21 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 in...

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