Ebyte E32-433T30D User Manual
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Ebyte E32-433T30D User Manual

Ebyte E32-433T30D User Manual

Sx1278 433mhz 1w dip wireless module
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E32-433T30D User Manual
SX1278 433MHz 1W DIP Wireless Module

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Summary of Contents for Ebyte E32-433T30D

  • Page 1 E32-433T30D User Manual SX1278 433MHz 1W DIP Wireless Module...

  • Page 2: Table Of Contents

    ODULE IS EASY TO DAMAGE 9.3 BER(B ............................... 17 RROR AT E IS HIGH 10 PRODUCTION GUIDANCE ...................... 17 11 E32 SERIES........................... 17 12 ANTENNA RECOMMENDATION .................... 18 13 PACKAGE FOR BATCH ORDER ..................... 19 Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.
  • Page 3 Chengdu Ebyte Electronic Technology Co,;Ltd E32-433T30D user manual REVISION HISTORY........................20 ABOUT US ............................20 Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 4: Overview

    E32-433T30D is in stable bulk production and are widely applied in ut ility meters, IoT renovation, smart ho me, etc. The modules feature data encryption and comp ression. The data transmitted in air features rando mness.

  • Page 5: Specification And Parameter

    Distance for reference 8000m antenna height: 2.5m，air data rate: 2.4kbps TX length 58 Byte M aximum capacity of single package Buffer 512 Byte LoRa™ M odulation Communication interface @3.3V Package Connector 2.54mm Size 24 * 43mm Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 6: Size And Pin Definition

    TTL UART inputs, connects to external (M CU, 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 ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 7: Connect To Mcu

    4 Connect to MCU Description（S TM8L MCU） The UART module is TTL level. For some M CU works at 5VDC, it may need to add 4-10K pull-up resistor for the TXD & AUX pin. Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 8: Function Description

    For example: Set the address of module A as 0xFFFF or 0x0000, and the channel as 0x04;  When module is the transmitter (transparent transmission), all modules under channel 0x04 will receive the data, the Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 9: Aux Description

    AUX=0, the internal 512 bytes data in the buffer have not been written to the RFIC co mp letely. If the user starts to transmit data at this circu mstance, it may cause overtime when the module is waiting for the user data, or Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 10: Configuration Procedure Of Module

    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 ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 11: Operating Mode

    This operation is very flexib le 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 ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 12: 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 M CU. Transmitting Hence the function of wireless transmission is not available for the module working in this mode. Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 13: Sleep Mode (Mode 3)

    ( Do not save the parameters when power-down ) Three C3 are sent in hexadecimal format. The module returns the version information and they must be sent in succession. C4+C4+C4 7.1 Default parameters Default parameter values： ：C0 00 00 1A 17 44 Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 14: Reading Operating Parameters

    High address byte of module 00H-FFH （the default 00H） ADDH Low address byte of module 00H-FFH ADDL （the default 00H） UART parity bit  UART mode can be different between SPED communication parties 8N1 (default) Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.
  • Page 15 But in some cases, it may need external pull-up inputs resistor. wireless wake-up time  The transmit & receive module work in mode 0, whose delay time is 250ms (default) Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 16: Hardware Design

    Please check the stability of the power supply, the voltage can not be fluctuated frequently ；  When designing the power supply circuit for the module, it is often recommended to reserve more than 30% of the Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 17: Faq

    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 ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 18: Module Is Easy To Damage

    21 * 36 SM A-K E32-915T20D SX1276 915M 0.3~19.2k 21 * 36 SM A-K E32- 433T20DC SX1278 433M 0.3k~19.2k 21 * 36 SM A-K E32- 433T30D SX1278 433M 0.3k~19.2k 24 * 43 SM A-K Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 19: Antenna Recommendation

    &omnidirectional Rubber Short straight TX433-JZ-5 433M SM A-J 52mm antenna &omnidirectional Sucker TX490-XPL-100 490M SM A-J 12cm 100cm Sucker antenna, High gain antenna Rubber Short straight TX490-JZ-5 490M SM A-J 50mm antenna &omnidirectional Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 20: Package For Batch Order

    Chengdu Ebyte Electronic Technology Co,;Ltd E32-433T30D user manual 13 Package for batch order Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 21: Revision History

    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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