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Small RF remote with two digit LCD display.

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tapu

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small rf remote with two digit lcd display.

Dear all,
I have made wireless token indicator.By using rf transmitter & reciever.token number indicates in large 3 digit LED display.token no. Is incremented by 4 switch remote( battery operated).here i want to add 3 digit Lcd display in remote side alongwith switches.which has small power & operates in battery power.but how to design & which components or ic's are required? Please reply.
Thanks,
Tepu
 

Re: small rf remote with two digit lcd display.

7 segment LCM is the best choice for you , I think
they have low power consumption
some of them are provided with internal decoder IC and you can connect them through serial communication
you can find them easily

once ihave used some from "sunman"
www.sunman.com.cn
 
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    tapu

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Re: small rf remote with two digit lcd display.

Dear all,
Here i am using 8051 & Ic 12D & 12E for rf module.as I give Hi pulse in transmitter side then i take same pulse in reciever side.& that pulse will increment token number.But if communication interrupts then number is not same in both side.But now i want to modify circuit as the digit on transmitter side transfer to reciever side.can it be possible by seriel two wire communication?can it be possible in this wireless communication? please reply how to do this.
Here i am using this module

rf module.JPG

Thanks,
Tepu
 

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