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Summary of Contents for Ebyte E32-900M20S
- Page 1 E32-900M20S 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 E32-900M20SA 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.
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Page 5: Brief Introduction
E32-900M20SA User Manual 1 Introduction 1.1 Brief Introduction E32-900M20S 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 SX1278 as the core... -
Page 6: Specification And Parameter
Maximum length of single send Crystal Oscillator 32MHz Passive crystals Protocol FSK/GFSK/MSK/GMSK/OOK LoRa Package Spacing of 2.54 mm Interface 1.27mm Sample hole Communication interface 0~10Mbps Size 14*20mm Antenna Sample hole / IPEX 50 ohm impedance 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) Ground Ground Ground Input/Output General IO port (see SX1276 manual for details) DIO3 DIO4 Input/Output General IO port (see SX1276 manual for details) DIO5 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 stay away from the module according to the strength of the interference.If necessary, appropriate isolation and shielding can be done; Copyright ©2012–2024，Chengdu Ebyte Electronic Technology Co.,Ltd. - Page 9 DIO_7 pin to low level and DIO_13, DIO_14 pins to high level;Before turning off, set DIO_7, DIO_13, DIO_14 pins to low; The register configuration can be reinitialized when the chip is idle for greater stability. Copyright ©2012–2024，Chengdu Ebyte Electronic Technology Co.,Ltd.
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Page 10: Basic Application
Due to antenna quality or poor matching between antenna and module. 6.2 Module is easy to damage Please check the power supply source, ensure it is 2.0V~3.6V, voltage higher than 3.6V will damage the module; Copyright ©2012–2024，Chengdu Ebyte Electronic Technology Co.,Ltd. -
Page 11: Ber(Bit Error Rate) Is High
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
Delete the authentication description About us Technical support: support@cdebyte.com Documents and RF Setting download link: www.ru-ebyte.com Thank you for using Ebyte products! Please contact us with any questions or suggestions: info@cdebyte.com ------------------------------------------------------------------------------------------------- Phone: +86 028-61399028 Web: www.ru-ebyte.com Address: B5 Mould Park, 199# Xiqu Ave, High-tech District, Sichuan, China...
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