Easy Debugging Terminal

Posted on Jan 27, 2013

This LCD terminal provide two modes of operation by selecting jumper J1. When J1 is open the terminal operate as a normal ascii display terminal, when J1 is closed the terminal displays the input serial data in hexadecimal format. This mode is useful for viewing raw data from the serial port output. IC U2 a PIC16F84 micro controller is used to control the operation of the terminal. Input signal is applied to connector K1. The circuit can be powered either by 9V dc adapter or by using a 9V battery. Jumper J1 select the operating mode of the terminal, J1 open for ascii terminal mode, closed for hexdecimal display mode.

Easy Debugging Terminal
Click here to download the full size of the above Circuit.

Leave Comment

characters left:

New Circuits



Popular Circuits

Four-Trace Oscilloscope Adapter
Photoelectric Sensor Circuit
Making a Line Sensor using IR Receiver
Summing amplifier/ Inverting adder circuit using op amp 741
Sine to Square Wave Converter
Lightning Detectors
One Foot Spot Welder circuit uses IC CD4541
IF processing - video detector circuit
INA321 322 input current protection circuit diagram