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Summary of Contents for Ebyte E31-230T27D
- Page 1 E31-230T27D User Manual AX5243 230MHz 500mW DIP Wireless Module...
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Page 2: Table Of Contents
ACT OR Y DEFAULT PARAMETER 7.2 W ............................... 12 ORKING PARAMETER READING 7.3 V ERSION NUMBER READING ............................... 12 7.4 R ..................................12 E SET INST RUCTION 7.5 P ............................12 ARAMETER SETTING INST RUCTION Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd. - Page 3 10 WELDING OPERATION GUIDANCE ..................16 11 E31 SERIES ..........................16 12 ANTENNA INSTRUCTION ....................... 16 12.1 A NTENNA RECOMMENDAT ION ..............................16 13 BATCH PACKAGING METHOD ..................... 17 REVISE HISTORY .......................... 18 ABOUT US ............................18 Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.
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Page 4: Overview
The data compression function has the probability of reducing the transmission time, reducing the probability of interference, improving reliability and transmission efficiency. E31-230T27D strictly abides by FCC, CE, CCC and other domestic and foreign design specifications, meets all RF related certifications, and meets export requirements. -
Page 5: Specifications
2.5m，air data rate: 1.3kbps 43 Byte subcontracting method The max capacity for each packet 512 Byte Buffer M odulation GFSK Communication interface @3.3V Package 2.54mm Connector 24*43mm Size Antenna SMA-K 50 ohm impedance Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd. -
Page 6: Size And Pin Definition
Can be configured as push-pull output (suspending is allowed). Power supply ：2.1~ 5.5V DC Input Ground Input Fixed orifice Fixed orifice Fixed orifice Fixed orifice Fixed orifice Fixed orifice Fixed orifice Fixed orifice Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd. -
Page 7: Connect To Mcu
The UART module is TTL level， pls connect to the M CU of TTL.. 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
AUX Pin can be used as indication for wireless send & receive buffer and self-check. It can indicate whether there are data that are not sent yet via wireless way, or whether all wireless data has been sent 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 transmitted already, perhaps the last packet of data is still in transmission. 5.6.3 Configuration procedure of module Only happened when Reset and exit sleep mode Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd. -
Page 10: Notes For Aux
If the module receives the wireless data and transmits the data through the serial port, it needs to finish transmission before switching the new working mode; Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd. -
Page 11: Normal Mode （Mode 0
M ode 2; So, the transmitting data in M ode 1 can be received by the module with M ode 0, 1, Receiving It equals to M ode 0. Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd. -
Page 12: Power Saving Mode （Mode 2
Model Factory default parameter value：C0 00 00 18 50 44 Transmitting M odule M odel Frequency Address Channel Air data rate Baud Rate Serial port format power E31-230T27D 230MHz 0x0000 0x19 1.2kbps 9600 50mW Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd. -
Page 13: Working Parameter Reading
The baud rate of both parties can be Serial port baud rate 1200 different. Serial port baud rate 2400 The serial port baud rate has nothing to do with the wireless transmission Serial port baud rate 4800 Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd. - Page 14 1. FEC switch After the FEC is turned off, the actual data transmission rate is increased, but Turn off FEC the anti-interference ability is weakened Open FEC（default） and the distance is slightly closer. Please Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.
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Page 15: Hardware Design
If necessary, appropriate isolation and shielding can be done. Assume that there are traces with large electromagnetic interference around the module (high -frequency digital, high-frequency analog, power trace), which will greatly affect the performance of the module. It is recommended to Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd. -
Page 16: Faq
The undesirable power supply may also cause messy code, and ensure the reliability of the power supply. The quality of extension line and feeder are poor or too long, which also cause high bit error rate; Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd. -
Page 17: Welding Operation Guidance
SMA-J 74.5cm 300cm high gain Sucker antenna TX230-XP-200 230M SMA-J 35cm 200cm Sucker antenna, high gain Flexible, omni antenna TX230-JK-20 230M SMA-J 200mm Rubber antenna Flexible, omni antenna TX230-JK-11 Rubber antenna 230M SMA-J 110mm Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd. -
Page 18: Batch Packaging Method
Chengdu Ebyte Electronic Technology Co.,Ltd. E31-230T27D User Manual 13 Batch packaging method Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd. -
Page 19: Revise 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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