DuePi

Raspberry Pi HAT Adapter

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Overview

DuePi is the perfect adapter for all RPI (Raspberry Pi) models, including RPI Zero. The outer mounting holes are standard mounting holes for RPI. The bottom half of the board is a 5mm-pitched holes for mounting DUELink modules. This bottom side is breakable to make the board smaller to make it the right size for RPI Zero.

DuePi with Raspberry Pi Zero

The board includes several onboard peripherals, including buttons, buzzer, and a graphical display. The display is controlled using the DUELink native Graphics support. Simple commands are used to control the display instead of using Linux.

The onboard 800mA regulator is used to feed power to the Downlink connector, keeping any loads away from the RPI's 3.3V source.

The USB connector is conveniently there to help with loading/updating the DUELink processor's firmware/drivers. It should not be used when DuePi is used with a Raspberry Pi.

note

With the USB connector and the onboard power regulator, this adapter can be used as a Microcomputer with full function

Key features • Attaches to Raspberry Pi or Pi Zero Header • 0.96" OLED Display • 2x User Buttons • Piezo Buzzer • Breakaway "Holey" Section • Terminal Block for Additional Connectivity • 65x56.5mm Overall Dimension

Resources 📄 Schematics 🔩 3D STEP file PID: 0x0A0004

🌿 Cables not included

Modules ship without cables to reduce waste. Some specialty boards include a USB cable; for the rest, see Cables to add cables to your order.

Commands

Function	Description
GetW()	Get display width: 128.
GetH()	Get display height: 64.
IsColor()	Returns 0.
BtnA()	Returns 1 if button A is pressed.
BtnB()	Returns 1 if button B is pressed.
Buzzer(f,d)	Plays buzzer to f frequency(50 to 15K) for d duration in milliseconds.
DVer()	This driver version.

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Samples

Example code for using this module's commands in popular languages.

tip

New here? See Get Started to connect a module and send your first command.

Python

Python Sample

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See full example on GitHub

JavaScript

JavaScript Sample

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See full example on GitHub

.NET

.NET Sample

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See full example on GitHub

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Peek under the hood

The script below is this module's driver — it teaches the hardware how to respond to the commands listed above. It ships pre-loaded from the factory; most users never need to open it.

DuePi Driver

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See full example on GitHub

On-Module Code

Code that runs directly on this module's MCU. See On-Module Code for an overview.

Script

This example runs using the default DUELink Internal Engine using its Scripting Language, and it expects the module's driver to be loaded first, see the Commands Tab.

Standalone Script Sample

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See full example on GitHub

Arduino IDE

See Arduino IDE page for more info.

Standalone Arduino Sample

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See full example on GitHub

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Ordering Info

Product	Part Number	Price
DUELink DuePi	GDL-ADDUEPI-B	$14.95

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