Ebyte E32-900M30S Manual
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Ebyte E32-900M30S Manual

Sx1276 868/915mhz spi smd wireless module
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E32-900M30S
SX1276 868/915MHz SPI SMD Wireless Module
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Summary of Contents for Ebyte E32-900M30S

  • Page 1 E32-900M30S SX1276 868/915MHz SPI SMD Wireless Module...
  • Page 2 6.3 BER(Bit Error Rate) is high ................................7 Production guidance ......................................7.1 Reflow soldering temperature ................................7.2 Reflow soldering curve ..................................8 E32 series ........................................... 9 Antenna recommendation ....................................Revision history ........................................About us ..........................................Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd.
  • Page 3 E32-900M30S User Manual Disclaimer EBYTE reserves all rights to this document and the information contained herein. Products, names, logos and designs described herein may in whole or in part be subject to intellectual property rights. Reproduction, use, modification or disclosure to third parties of this document or any part thereof without the express permission of EBYTE is strictly prohibited.
  • Page 4 Support 3.3V~5.5V power supply, power supply over 5 V can guarantee the best performance;  Industrial grade standard design, support -40 ~ 85 °C for working over a long time;  IPEX and stamp hole optional, good for secondary development and integration.  Copyright ©2012–2024，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 5: Brief Introduction

    E32-900M30S User Manual 1 Introduction 1.1 Brief Introduction E32-900M30s is a self-developed, 868/915MHz LoRa wireless module with the maximum transmission power of 1W which is based on the SX1276 produced by Semtech in the United States. Due to adopt the original installation import SX1276 as the core...

  • Page 6: Specification And Parameter

    10km antenna height: 2m，air data rate: 2.4kbps FIFO 256Byte Maximum length of single send Crystal Oscillator 32MHz Passive crystals Protocol FSK/GFSK/MSK/GMSK/OOK LoRa Package Spacing of 2.54 mm Interface 2.54mm Sample hole Communication interface 0~10Mbps Copyright ©2012–2024，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 7: Size And Pin Definition

    Power supply, range 3.3 ~ 5.5V (external ceramic filter capacitor is recommended) Power supply, range 3.3 ~ 5.5V (external ceramic filter capacitor is recommended) Ground Ground Suspend DIO3 Input/Output General IO port (see SX1276 manual for details) Copyright ©2012–2024，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 8: Basic Operation

    It is recommended to keep them away from the module according to the strength of the interference. If necessary, appropriate isolation and shielding can be done; Assume that there are traces with large electromagnetic interference (high-frequency digital, high-frequency analog,  Copyright ©2012–2024，Chengdu Ebyte Electronic Technology Co.,Ltd.
  • Page 9 When transmitting, set TXEN to high level and RXEN to low level; When receiving, set RXEN to high level  and TXEN to low level; Before turning off, set both RXEN and TXEN to low level; The register configuration can be reinitialized when the chip is idle for greater stability.  Copyright ©2012–2024，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 10: Basic Application

    The power supply low voltage under room temperature is lower than 2.5V, the lower the voltage, the lower the  transmitting power; Due to antenna quality or poor matching between antenna and module.  Copyright ©2012–2024，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 11: Module Is Easy To Damage

    Poor power supply may cause messy code. Make sure that the power supply is reliable;  The extension line and feeder quality are poor or too long, so the bit error rate is high.  Copyright ©2012–2024，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 12: Production Guidance

    Time（tL）Maintained Above（TL） 60-90 sec 30-90 sec Peak temperature（Tp） 220-235℃ 230-250℃ Aveage ramp-down rate（Tp to Tsmax） 6℃/second max 6℃/second max Time 25℃ to peak temperature 6 minutes max 8 minutes max 7.2 Reflow soldering curve Copyright ©2012–2024，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 13: Antenna Recommendation

    Model No. Type Interface Function feature Rubber TX915-JZ-5 915M SMA-J Short straight &omnidirectional antenna Rubber TX915-JK-11 915M SMA-J Flexible &omnidirectional antenna Rubber TX915-JK-20 915M SMA-J Flexible &omnidirectional antenna Sucker TX915-XPL-100 915M SMA-J High gain antenna Copyright ©2012–2024，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 14: Revision History

    About us Technical support: support@cdebyte.com Documents and RF Setting download link: https://www.ru-ebyte.com Thank you for using Ebyte products! Please contact us with any questions or suggestions: info@cdebyte.com ------------------------------------------------------------------------------------------------- Web: https://www.ru-ebyte.com Address: B5 Mould Park, 199# Xiqu Ave, High-tech District, Sichuan, China...

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