![]() ![]() Logic Probe - The probe displays the status of the signal fed across its input pins using three LED status indicators, one each for HIGH, LOW and PULSE.These are two outputs, pressing a switch generates a pulse across the corresponding output pin. Pulse Generator - A monostable signal generator based on the 74HC221 IC.An overlapping LOW (10 Hz to 500 Hz) and HIGH (20 Hz to 1 kHz) range switch is provided for frequency control as well as VR1 for fine tuning control. The signal is accessible through the OUT pin. 555-Based Clock Generator - The circuit is based on a 555 IC configured as an astable multivibrator.8 Data Status Monitor - Has eight buffered inputs with LED indicators that show the current state of the inputs. ![]() 8 Data Switches - The data switch circuits provides eight DATA OUTPUT pins D1 to D8 whose output level is adjusted using slide switches.The Digital Trainer is a general-purpose digital experiment board equipped with different built-in circuits as well as a standard PB-501 breadboard.
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