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Pi-Plates DAQC2plate User Manual

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DAQC2plate Reference Guide
Version 1.04
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Pi-Plates DAQC2plate Specifications

General IconGeneral
ProductDAQC2plate
ManufacturerPi-Plates
Analog Inputs8
Analog Input Resolution12-bit
Analog Outputs2
Analog Output Resolution12-bit
Digital I/O8
I2C Ports1
Voltage Range0-5V
PWM Outputs2
InterfaceI2C
CompatibilityRaspberry Pi
Power Supply5V via Raspberry Pi
StackableYes

Summary

Introduction and Hardware Identification

Product Overview and Functional Modes

Introduces the DAQC2plate and its four operational modes.

Board Layout Diagram

Illustrates terminal blocks, headers, and component locations on the board.

Address Selection Header

Configures unique addresses for stacking multiple Pi-Plates.

Digital Input/Output Operations

Digital Outputs (DOUT)

Controls external devices like LEDs, motors, and relays via open drain outputs.

Digital Inputs (DIN)

Reads digital signals from buttons, switches, and sensors.

Analog Inputs and Extended Functions

Analog Inputs (ADC)

Measures variable voltages from sensors like potentiometers and temperature sensors.

Analog Outputs (DAC)

Provides four calibrated 12-bit analog voltage outputs for signal generation.

Pulse Width Modulation (PWM)

Generates 0-100% digital waveforms for speed control of motors and fans.

Frequency Counter

Measures incoming digital signal frequencies up to 150kHz.

Advanced Features and Special Modes

RGB LED and Interrupts

Controls onboard RGB LED color and enables interrupt detection.

Special Modes Overview

Lists four operational modes: Legacy, Motor Controller, Function Generator, Oscilloscope.

Motor Controller Mode

Operates DOUT drivers to control unipolar stepper motors.

Function Generator Mode

Uses DAC outputs to generate waveforms like sine, square, and triangle.

Oscilloscope Mode

Utilizes ADC inputs to function as a two-channel oscilloscope.