Solving problems./ Xbee been sent the wrong letter.
“Xbee 1” to connect to a PC and use the X-CTU to print a letter sent to “ Xbee 2” by “ Xbee 2” will receive / send the value through the Pin. RXD (P3.0) and TXD (P3.1) of the MCS51. The MCS51 will bring value to the LCD display for example, type “k” and the LCD will display a “k”.
The problem is, type “k” but the LCD will display a “J”, type “j” but the LCD will display a “%”, etc.