N and V column
Column #120: You Canāt Touch That: Non-contact Access Control
Page 66 ⢠The Nuts and Volts of BASIC Stamps (Volume 6)
Figure 120.4: RFID Debug Output
By the way, if you happen to have the new Parallax Serial LCD module, you can use it as a
terminal ā and you don't need a level-shifter. Simply set the LCD Mode switches for 2400
baud (1 = Up, 2 = Down) and connect the RFID reader's SOUT pin to the LCD's RX pin.
And don't worry if it's not convenient for you to connect the RFID reader to a terminal or
LCD ā we can always use a BASIC Stamp module to read and display an unknown tag string.