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Chengdu Ebyte Electronic Technology Co,;Ltd

E32-433T20DT user manual

Copyright ©2012–2019

，

Chengdu Ebyte Electronic Technology Co.,Ltd.

6

outputs low level. Can be configured as push-pull output
(suspending is allowed).

6

VCC

Input

Power supply

：

2.3~ 5.2V DC

7

GND

Input

Ground

8

Fixed orifice

-

Fixed orifice

9

Fixed orifice

-

Fixed orifice

10

Fixed orifice

-

Fixed orifice

4 Connect to MCU

No.

Description

（

STM8L MCU

）

1

The UART module is TTL level.

2

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

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Содержание E32-433T20DT

Страница 1: ...E32 433T20DT User Manual SX1278 433MHz 100mW DIP Wireless Module...

Страница 2: ...1 FIXED TRANSMISSION 6 5 2 BROADCASTING TRANSMISSION 7 5 6 1 Indication of UART output 8 5 6 2 Indication of wireless transmitting 8 5 6 3 Configuration procedure of module 9 5 6 4 Notes for AUX 9 6 O...

Страница 3: ...9 Chengdu Ebyte Electronic Technology Co Ltd 2 9 1 COMMUNICATION RANGE IS TOO SHORT 16 9 2 MODULE IS EASY TO DAMAGE 17 9 3 BER BIT ERROR RATE IS HIGH 17 10 PRODUCTION GUIDANCE 17 11 E32 SERIES 17 12 A...

Страница 4: ...features randomness The encryption decryption algorithm makes data interception meaningless Data compression enables shorter transmitting time and lower rate of being interfered which increases the r...

Страница 5: ...at risk of burning down Operating temperature 40 85 Industrial design Operating frequency MHz 410 525 Support ISM band Power consumptio n Transmitting current mA 106 Instant power consumption Instant...

Страница 6: ...nded 2 M1 Input weak pull up Work with M0 to decide 4 working modes of module not suspended if not used could be grounded 3 RXD Input TTL UART inputs connects to external MCU PC TXD output pin Can be...

Страница 7: ...tput suspending is allowed 6 VCC Input Power supply 2 3 5 2V DC 7 GND Input Ground 8 Fixed orifice Fixed orifice 9 Fixed orifice Fixed orifice 10 Fixed orifice Fixed orifice 4 Connect to MCU No Descri...

Страница 8: ...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 purpose of broadcast is realize...

Страница 9: ...re are data that are not sent yet via wireless way or whether all wireless data has been sent through UART or whether the module is still in the process of self check initialization 5 6 1 Indication o...

Страница 10: ...UX outputs low level if none of the low level condition is met AUX outputs high level 2 When AUX outputs low level it means the module is busy cannot conduct operating mode checking Within 1ms since A...

Страница 11: ...id when AUX outputs 1 otherwise it will delay For example in mode 0 or mode 1 if the user inputs massive data consecutively and switches operating mode at the same time the mode switch operation is in...

Страница 12: ...ule working in mode 0 can only be received by the module working in mode 0 or 1 Receiving The wireless receiving function of the module is on the data packet transmitted from the module working in mod...

Страница 13: ...orking parameters through specific instruction format pls refer to parameters setting for details Notes When the mode changes from stand by mode to others the module will reset its parameters during w...

Страница 14: ...nd yy refers to the other module features 7 4 Reset command Instruction format Description C4 C4 C4 In sleep mode M0 1 M1 1 User gives the module instruction HEX format C4 C4 C4 the module resets for...

Страница 15: ...Specifications Except for E32 400T20S 4 CHAN 7 6 5 reserved Write 0 Communication channel 00H 1FH correspond to 410 441MHz 4 0 channel 410M CHAN 1M default 17H 433MHz 5 OPTION 7 Fixed transmission ena...

Страница 16: ...iency 0 0 20dBm default 0 1 17dBm 1 0 14dBm 1 1 10dBm For example The meaning of No 3 SPED byte The binary bit of the byte 7 6 5 4 3 2 1 0 Configures by user 0 0 0 1 1 0 1 0 Meaning UART parity bit 8N...

Страница 17: ...he interference If necessary appropriate isolation and shielding can be done If the communication line uses a 5V level a 1k 5 1k resistor must be connected in series not recommended there is still a r...

Страница 18: ...r or too long so the bit error rate is high 10 Production guidance This type is full sized module when the welder welds the module he must be welding according to the anti static regulation This produ...

Страница 19: ...2 43 8 9 5mm Soft inside FPC soft antenna TX433 JW 5 Rubber antenna 433M SMA J 2 50mm Flexible omnidirectional TX433 JWG 7 Rubber antenna 433M SMA J 2 5 75mm Flexible omnidirectional TX433 JK 20 Rubbe...

Страница 20: ...Chengdu Ebyte Electronic Technology Co Ltd E32 433T20DT user manual Copyright 2012 2019 Chengdu Ebyte Electronic Technology Co Ltd 19 13 Package for batch order...

Страница 21: ...2 915T20S E32 400T20S huaa 1 30 2018 01 22 Updating E32 868T20D E32 868T30D E32 915T20D E32 915T30D E32 170T30D huaa 1 40 2018 05 24 Updating antenna option huaa 1 50 2018 10 11 Manual dividing huaa A...

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