DTMF DECODER WITH PIC MICRO-CONTROLLER AND DISPLAY READ ALL DTMF SET WITH * # AND A B C D. KEEP 80 DIGITS AND WITH SCROLL BUTTON YOU CAN TO SEE ALL, WHEN READ >80 DIGITS REWRITE AUTOMATIC. CONNECT IT TO YOUR RECEIVER OR TRANSCEIVER AND READ THE DTMF WHO ANYONE TRANSMIT. FOR CONNECTIONS PLEASE DOWNLOAD THE FILE : rapidshare.com/files/325534371/dtmflcd1.pdf
FOR QUESTIONS PLEASE CONTACT ME.