Sorry for late reply guys,got a lot of homeworks to do. ; )
The fact is I have less information about my RF module.I just buy it from the nearest electronic store.Since I live here in Chiang Mai ,Thailand...It's hard for me to find a good types of RF module such as PArallax or TWS/RWS 434...For your reference I attach the picture of the RF modules .The link below may help. It was the datasheet of receiver chip used in my RF module.
http://www.himark.com.tw/images/pdf/...df/RX3310A.zip
Actually what I want to do right now is display the counting numbers on my LCD at receiver board and it's nothing to do with my keypad.I just want to try send a data using my RF module first before I proceed with sending the data from my scanning keypad because I need to know if my RF module able to do it's job or not.
I already connect the Transmitter and the receiver pin directly but it's not work.my LCD only shows a bunch of black box .Maybe the major problem is from my coding or hardware??
Any other suggestion mister_e ? and how to use inverted mode??
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