Ebyte E32-433T20S1 User Manual
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Ebyte E32-433T20S1 User Manual

Sx1278 433mhz 100mw smd wireless module
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E32-433T20S1 User Manual
SX1278 433MHz 100mW SMD Wireless Module

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Summary of Contents for Ebyte E32-433T20S1

  • Page 1 E32-433T20S1 User Manual SX1278 433MHz 100mW SMD Wireless Module...

  • Page 2: Table Of Contents

    9.2 M ............................. 17 ODULE IS EASY TO DAMAGE 9.3 BER(B ..........................18 RROR IS HIGH 10 PRODUCTION GUIDANCE.......................18 10.1 R ..........................18 EFLOW SOLDERING TEMPERATURE 10.2 R ............................19 EFLOW SOLDERING CURVE 11 E32 SERIES........................... 19 Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd.
  • Page 3 Chengdu Ebyte Electronic Technology Co,;Ltd E32-433T20S1 user manual 12 ANTENNA RECOMMENDATION.................... 20 13 PACKAGE FOR BATCH ORDER..................... 21 REVISION HISTORY........................22 ABOUT US............................22 Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd.
  • Page 4 E32-433T20S1 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 5: Overview

    Data Rate (Default 2.4kps). The encryption-decryption algorithm makes data interception meaningless. And the data compression enables shorter transmitting time and lower rate of being interfered, which increased the reliability and transmitting efficiency. E32-433T20S1 strictly follows design standards of FCC, CE, CCC and meets various RF certification requirements for exporting. 1.2 Features Communication distance tested is up to 3km ...

  • Page 6: Specification And Parameter

    Main parameter Description Remark Test condition：clear and open area, antenna gain: 5dBi， Distance for reference 3000m antenna height: 2.5m，air data rate: 2.4kbps TX length 58 Byte Maximum volume per packet Buffer 512 Byte Modulation LoRa™ Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 7: Size And Pin Definition

    TTL UART inputs, connects to external (MCU, PC) TXD output pin. Can input be configured as open-drain or pull-up input. TTL UART outputs, connects to external RXD (MCU, PC) input output pin. Can be configured as open-drain or push-pull output Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 8: Connect To Mcu

    Description（STM8L MCU） The UART module is TTL level. For some MCU works at 5VDC, it may need to add 4-10K pull-up resistor for the TXD & AUX pin. 5 Function description 5.1 Fixed transmission Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 9: Broadcasting Transmission

    When module is the transmitter (transparent transmission), all modules under channel 0x04 will receive the data, the  purpose of broadcast is realized. 5.4 Monitor address For example: Set the address of module A as 0xFFFF, and the channel as 0x04;  Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 10: Indication Of Uart Output

    When AUX = 1, it does not mean that all the UART data of the module have been transmitted already, perhaps the  last packet of data is still in transmission. Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 11: Configuration Procedure Of Module

    2ms . If AUX stays on the high level, the operating mode switch can be affected immediately. When the user switches to other operating modes from mode 3 (sleep mode) or it’s still in reset process, the module will reset user parameters, during which AUX outputs low level. Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 12: Operating Mode

    This operation is very flexible and efficient. It is totally designed on the basis of the user MCU’s convenience, at the  same time the work load and power consumption of the whole system have been reduced and the efficiency of whole system is largely improved. Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 13: Normal Mode (Mode 0)

    When M1 = 1 & M0 = 0, module works in mode 2 UART is closed, the module cannot receive any serial port data from outside MCU. Transmitting Hence the function of wireless transmission is not available for the module working in this mode. Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 14: Sleep Mode (Mode 3)

    7.1 Default parameters type Default parameter values：：C0 00 00 1A 17 44 Transmitting power Model Frequency Address Channel Air data rate Baud rate Parity E32-433 433MHz 0x0000 0x17 2.4kbps 9600 100mW T20S1 Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 15: Reading Operating Parameters

    High address byte of module 00H-FFH ADDH （the default 00H） Low address byte of module 00H-FFH ADDL （the default 00H） UART parity bit UART mode can be different between  8N1 (default) SPED communication parties 8 E1 Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd.
  • Page 16 0, whose delay time is invalid & can 500ms be arbitrary value. 750ms The transmitter works in mode 1 can  transmit preamble code 1000ms corresponding time continuously. 1250ms When the receiver works in mode 2, the  1500ms Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 17: Hardware Design

    If it is necessary to pass through the module, assume that the module is soldered to the Top Layer, and the copper is spread on the Top Layer of the module contact part(well grounded), it must be close to the digital part of Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 18: Faq

    Please check the power supply source, ensure it is 2.0V~3.6V, voltage higher than 3.6V will damage the module.  Please check the stability of power source, the voltage cannot fluctuate too much.  Please make sure antistatic measure are taken when installing and using, high frequency devices have electrostatic  susceptibility. Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 19: Ber(Bit Error Rate) Is High

    Peak temperature（Tp） Peak temp. 220-235℃ 230-250℃ Average ramp-down rate（Tp to Tsmax） Average ramp-down rate 6℃/second max 6℃/second max Time 25℃ to peak temperature Time to peak temperature for 25℃ max 6 minutes max 8 minutes Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 20: Reflow Soldering Curve

    SMA-K E32-170T30D SX1278 170M 0.3k~9.6k 24 * 43 SMA-K E32-868T20D SX1276 868M 0.3~19.2k 21 * 36 SMA-K E32-915T20D SX1276 915M 0.3~19.2k 21 * 36 SMA-K E32- 433T20DC SX1278 433M 0.3k~19.2k 21 * 36 SMA-K Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 21: Antenna Recommendation

    SMA-J 52mm Short straight &omnidirectional TX433-JZ-5 Rubber antenna 433M SMA-J 52mm Short straight &omnidirectional TX490-XPL-100 Sucker antenna 490M SMA-J 12cm 100cm Sucker antenna, High gain TX490-JZ-5 Rubber antenna 490M SMA-J 50mm Short straight &omnidirectional Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 22: Package For Batch Order

    Chengdu Ebyte Electronic Technology Co,;Ltd E32-433T20S1 user manual 13 Package for batch order Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 23: Revision History

    Linson 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...

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