Ebyte E32 Series User Manual
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Ebyte E32 Series User Manual

Sx1278 433 mhz 100mw dip
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E32-433T20DC User Manual
SX1278 433MHz 100mW DIP Wireless Module

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Summary of Contents for Ebyte E32 Series

  • Page 1 E32-433T20DC User Manual SX1278 433MHz 100mW DIP Wireless Module...

  • Page 2: Table Of Contents

    ............................13 EADING OPERATING PARAMETERS 7.3 R ............................... 13 EADING VERSION NUMBER 7.4 R ..................................13 E SET COMMAND 7.5 P .............................. 13 ARAMETER SETTING COMMAND 8. HARDWARE DESIGN ........................ 15 9 FAQ ..............................16 Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.
  • Page 3 ..............................17 RROR AT E IS HIGH 10 PRODUCTION GUIDANCE ..................... 17 11 E32 SERIES..........................17 12 ANTENNA RECOMMENDATION ................... 18 13 PACKAGE FOR BATCH ORDER .................... 19 REVISION HISTORY........................20 ABOUT US ............................20 Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 4: Overview

    Smart home and industrial sensors ；  Wireless alarm security system；  Building automation solutions ；  Wireless industrial-grade remote control；  Health care products；  Advanced Meter Reading Architecture(AMI)；  Automotive industry applications. Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 5: Specification And Parameter

    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 21 * 36mm Antenna SM A-K 50 ohm impedance Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 6: Size And Pin Definition

    TTL UART outputs, connects to external RXD (MCU, PC) input Output pin. Can be configured as open-drain or push-pull output To indicate module 's working status & wakes up the external Output MCU. During the procedure of self-check initialization, the pin Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 7: Connect To Mcu

    Description（STM8L 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. 5 Function description 5.1 Fixed transmission Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 8: Broadcasting Transmission

    For example: Set the address of module A as 0xFFFF or 0x0000, and the channel as 0x04;  When module A is the receiver, it can receive the data sent from all modules under channel 0x04, the purpose of Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 9: Indication Of Uart Output

     When AUX = 1, it does not mean that all the UART data of the module have been tra nsmitted already, perhaps the last packet of data is still in transmission. Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 10: Configuration Procedure Of Module

    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 t his mode. Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 13: Sleep Mode (Mode 3)

    Three C3 are sent in hexadecimal format. The module ret urns the version information and C4+C4+C4 they must be sent in succession. 7.1 Default parameters Default parameter values： ：C0 00 00 1A 17 44 Transmitting M odel Frequency Address Channel Air data rate Baud rate Parity power Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 14: Reading Operating Parameters

    User gives the module instruction (HEX format): C3 C3 C3, M odule returns its present version number, for example C3 32 xx yy. C3+C3+C3 32 here means the module model (E32 series); xx is the version number and yy refers to the other module features. 7.4 Reset command...
  • Page 15  The transmit & receive module work in mode 0, whose delay time is invalid & 250ms (default) can be arbitrary value. 500ms  The transmitter works in mode 1 can 750ms Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.

  • Page 16: Hardware Design

    When designing the power supply circuit for the module, it is often recommended to reserve more than 30% of the margin, so the whole machine is beneficial for long-term stable operation.；  The module should be as far away as possible fro m the power supply, transformers, high -frequency wiring and other 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

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

  • Page 19: Antenna Recommendation

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

  • Page 20: Package For Batch Order

    Chengdu Ebyte Electronic Technology Co,;Ltd E32-433T20DC 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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