User manual

A&D Board User Manual and Test Procedure

Digital Clock

• +0.3 to +4.7 volt (typical) square wave generator

• Frequency range variable from approximately 60 Hz to 40 KHz

Digital Pulsers

• 2 debounced momentary push buttons

• Compatible with 74HC logic

• Complimentary outputs (high-true and low-true)

Digital Switches

• 16 buffered switches

• Compatible with 74HC logic

Digital Logic Probes

• 16 logic indicators distinguish high state, low state, and indeterminate state

• Compatible with 74HC logic

• Display disable switch

Wiring

• Breadboards and socket headers are compatible with 22 gauge solid wire

• Strip 5/16 (8 mm) of insulation to insure a good connection

• Larger wire or component leads may permanently damage connectors

Bi-Polar LED

• A red and a green light-emitting diode in a single package

• Used in both the digital and analog sections of the board

• Red indicates a high logic state or positive analog voltage

• Green indicates a low logic state or negative analog voltage