My Project Show Case | RF Communication | AT89S52 & RFM70
Hello Ceans,
Here i want to share one small project that i have made for RF communication.
I am going to show off the Some Pics i have taken for this project and there is also one video.
For the all technical detail you can check out my Another Topic on the same project:- #-Link-Snipped-# 😒
I have used General Purpose Board as there are very few components required.
Microcontroller i have used :- ATMEL- AT89S52.
Programmer for ATMEL:- TOPWIN Universal Programmer.
RF Module:- RFM70 from HOPE RF.
Communication between Microcontrolller and RF module:- SPI
Assembling the Power Supply section for 7805- 5 Volt Regulator
![[IMG]](proxy.php?image=http%3A%2F%2Fi55.tinypic.com%2F25qai2q_th.jpg&hash=7dcb9ac30546bb42175e0f98dda9b82e)
With PhoneJack, Crystal, Power Supply and other Indication LED.
![[IMG]](proxy.php?image=http%3A%2F%2Fi52.tinypic.com%2F33usktz_th.jpg&hash=0a3659d2b67280d3e8be6bc52e6435ed)
Solder side
![[IMG]](proxy.php?image=http%3A%2F%2Fi52.tinypic.com%2F1zg6sfo_th.jpg&hash=691d053b2da4ab50fb41c0ff9f2c293b)
Interfaced with RF Module:- RFM70 and its now ready to use.
![[IMG]](proxy.php?image=http%3A%2F%2Fi56.tinypic.com%2F2ynry4h_th.jpg&hash=3d890c0fe127c49b90279732bae33df6)
RFM70 Soldering, This is bit tricky as the pitch is very small. 😉
![[IMG]](proxy.php?image=http%3A%2F%2Fi55.tinypic.com%2F9bcfnb_th.jpg&hash=af613ac7dbd6bd4c8e3ea22b68bd7baf)
Back Side of GPB with 3.3 Vold SMD Regulator, Now i am going to Run the project. 😎
![[IMG]](proxy.php?image=http%3A%2F%2Fi56.tinypic.com%2F25po2z8_th.jpg&hash=cd6ad0ffeb5121c528b8830036195e3a)
Topwin Universal Programmer for loading the Code into AT89C52
![[IMG]](proxy.php?image=http%3A%2F%2Fi52.tinypic.com%2F2vums82_th.jpg&hash=8fdcc617217cd21f93057b1b600073c2)
And Finally, The Working Board
![[IMG]](proxy.php?image=http%3A%2F%2Fi53.tinypic.com%2F1418ahh_th.jpg&hash=c28576fb04e0ded4fb60e0140c0851c0)
Guys in this project i have made one pair of Transmitter and Receiver and used Two LED as a indication of transmission and reception so here i am uploading a video that shows the LED blinking as per the transmission and reception.
Blue LED is Blinking when i am sending the data and the same way when receiver receives the data it will compare it and if the data received is OK then it will blink the Green LED.
[youtube]bUdQIvzd5VU[/youtube]
-GodFather