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5V PC Control Relay Module UART USB TO TTL232 RS232 Arduino UNO MEGA2560 MCU

5V PC Control Relay Module UART USB TO TTL232 RS232 Arduino UNO MEGA2560 MCU

  • Model: TB250
  • Shipping Weight: 0.04Kg
  • 10000 Units in Stock

USD $9.99

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Module No.:  TB250 
 
Qty: 1 pcs 5V PC Control Relay Module ;
 
TB250_4  
TB250_5  
 
Descripion : 
5V TTL 232 interface, which is convenient to achieve USB to PC by USB to TTL232 serial to control relay, you can also use 8051 AVR Arduino MCU to control relay ;
Power indicator: LED lights ;

Output indication: relay output with LED indicators, easy to see working status of the relay ;

Communication protocol: UART protocol communication, baud rate 9600kpbs, 8 data bits, one stop bit, no parity. Each data frame contains eight bytes. Two-way data transmission.
 
 

Baud rate 9600kbps, 8 data bits, one stop bit, no parity. Each data frame contains eight bytes..

Control command format:

Bytes Number

1

2

3

4

5

6

7

8

 

Frame head

Reserved bytes

Command

checksum

Reading status

0x5556

0x00000000

00

0xAB

Relay open

0x5556

0x00000000

01

0xAC

Relay close

0x5556

0x00000000

02

0xAD

Relay toggle

0x5556

0x00000000

03

0xAE

Relay momentary

0x5556

0x00000000

04

0xAF

                   

 

5 Control commands

1. Reading statusreading the satus of the relay (on/off)

0x55 0x56 0x00 0x00 0x00  0x00 0x00 0xAB

2. Relay open (issue this command Relay open , COM connect to NO 

0x55 0x56 0x00 0x00 0x00 0x00  0x01 0xAC

3. Relay close (issue this command Relay close , COM disconnect NO , and COM connect to NC 

0x55 0x56 0x00 0x00 0x00 0x00 0x02  0xAD

4. Relay toggleRelay status reversalif COM connect to NOthis commands will Disconnect COM to NO and Reverse COM connect to NCand vice versa

0x55 0x56 0x00 0x00 0x00 0x00 0x03  0xAE

5. Relay momentaryRelay COM connect to NOdisconnect after 200MS 

0x55 0x56 0x00 0x00 0x00 0x00 0x04  0xAF

 

Once issue a command, will have a return fame , 7th byte of return fame mean the satus of realy .

Return command format:

Bytes Number

1

2

3

4

5

6

7

8

 

Frame head

Reserved bytes

Command

checksum

Return relay open

0x333C

0x00000000

01

0x70

Return relay close

0x333C

0x00000000

02

0x71

 

2 return command

1Return relay openreturn this commandmean COM connect to NO 

0x33 0x3C 0x00 0x00 0x00 0x00 0x01 0x70

2Return relay closereturn this commandmean COM disconnect NO , and COM connect to NC 

0x33 0x3C 0x00 0x00 0x00 0x00 0x02 0x71

Typial application :
TB250_2
 
 
 
Introduction for Shenzhen Canton-electronics Trading Co.,Ltd :
We specialize in RF Wireless Radio Transmitting Units and Receiving Units, the product include transmitters with case, receivers with relay(s), transmittng modules and receiving modules, are widely applied in RC toy, remote sensing, telemetry, fireworks, industrial control, home&garden application.

 

 
Shipping:
Normally shipping is by Airmail from China Post Air Mail or Hong Kong Post Air Mail ,15-60 days shipping time based on different country .
Express is available, shipping time is 2-7 days all over the world, and telephone number is needed. Please contact us first for extra payment .
 
 
Benefits
The Best Prices. By working with Canton-electronics Ltd, you can take advantage of the internet business, cut off the wholesalers cost and other costs, and import your products directly from the manufacturer at incredible prices.
Prompt Delivery. Most units are in stock all the time, standard units will be completed within 1-3 days if they are sold out, it is great help for you if your project must be completed before deadline.
Prompt Service. Mails will be replied within 24 hours We work 6 days  a week.
 
 
 
Return Policy
All mails will be replied to within 24 hours except on weekend and holidays.
Every item is manufactured under Strict Quality-Assurance Guidelines. If you are dissatisfied for any reason, please return the product to us, and we'll refund your money(not  including  shipping fees).
Please ensure that return items are not used.
Return items must be Posted within 7 days of receipt.
Please inform us via email before posting your return package.
 
 
PAYMENT
We accept PayPal only. 
We only ship item to your PayPal verified address. 
Payment must be received within 3 Days from the date of purchase. 
Please leave note in PayPal when making the payment if you have any special request (colors/size).
 
 
Import tax : 
 We will dispatch the item as SAMPLE or GIFT,  label the total amount on the custom declare invoice .
 Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer’s responsibility. Please check with your country’s customs office to determine what these additional costs will be prior to buying.
 

 

Online Security
All transactions are secured. The website is provided with an SSL encryption system to protect personal and payment data. We do not sell or ship any items ordered through the Site directly to anyone we know to be under the age of 18. We will not collect and personally identifiable information (e.g. name, address, telephone number and e-mail address), also referred to herein as "personal information", about you unless you provide it to us voluntarily.

Items can be returned for a refund or exchange within 60 days of the date of purchase. But the reason for returns caused by yourself (eg, size, color you choose), cannot be accepted. Special circumstances may require partnership with corporate business partners. For more information, please contact our customer service. We shall ship the items via DHL or USPS Once your order is processed you will receive email notification with shipment tracking number. All delivery standards begin when you receive this email. If order is placed after 3:00 PM CST on Friday or on the weekend, the earliest it will ship is Monday.