1.28″ Dual-Core Round Display Powered by ESP32 and RP2040

Description

Dual Roundy display modules powered by Raspberry Pi RP2040 or ESP32-S3 microcontrollers. These compact modules feature a 6-DoF IMU, interchangeable displays, and multiple storage and connectivity options.

The Dual Roundy is equipped with two 1.28-inch round displays, with a 240 x 240 resolution, and uses the GC9A01 display driver IC. Both displays offer a choice between a Raspberry Pi RP2040 MCU and the ESP32-S3-WROOM-1 module catering to different needs in performance and wireless capabilities.

Features Of Dual Roundy ESP32:

• Powered by ESP32 S3 Wroom-1 microcontroller module
• Dual 1.28” Round display arrangement for creative visual interactions
• Board features an array of four WS2812B RGB Led with true 16M color support
• Onboard QMI8658C 6D MEMS inertial measurement unit, incorporates a 3-axis gyroscope and a 3- axis accelerometer
• Power and Charging LED for status indication
• Battery hookup and charging facilities for portability
• Onboard microSD card support for data logging purposes
• Multipurpose GPIOs breakout for additional peripheral interfacing
• Boot and Reset Button for programming
• Type C interface for power and programming purpose
• Two User Programmable Buttons to add additional controls to project 
• Supports cross platform development with multiple programming languages like Arduino, C/C+ and MicroPython

Features Of Dual Roundy RP2040:

• Powered by Raspberry Pi RP2040 microcontroller 
• Dual 1.28” Round display arrangement for creative visual interactions
• Board features an array of four WS2812B RGB Led with true 16M color support
• Onboard QMI8658C 6D MEMS inertial measurement unit, incorporates a 3-axis gyroscope and a 3- axis accelerometer
• Power and Charging LED for status indication
• Battery hookup and charging facilities for portability
• Onboard microSD card support for data logging and storage purposes
• Multipurpose GPIOs breakout for additional peripheral interfacing
• Type C interface for power and programming purpose
• Boot Button for programming and 3 User Programmable Buttons to add additional controls to project 
• Supports cross platform development with multiple programming languages like MicroPython, Arduino and C/C++

Specification:

	Based On Raspberry Pi	Based On ESP32
Microcontroller	RP2040 Dual ARM Cortex-M0	ESP32 S3 WROOM-1, Xtensa® dual-core 32-bit LX7
Memory	264kB on-chip SRAM, 2MB on-board QSPI flash	Flash up to 16 MB, PSRAM up to 8 MB
Supply Voltage	5V
Operating pin voltage	3.3V
Battery Support	3.7V Lithium Ion
Battery Charge Management	MCP73831
RGB LED	WS2812B
6D IMU Sensor	QMI8658C
Operating Temperature Range	-20°C ~ +70°C
Display Size	1.28”
Display Type	IPS TFT Round
Display Resolution	240 x 240 pixels
Display colors	65K RGB
Display interface	SPI
Display Driver	GC9A01A

Pinouts: 

Dual_Roundy_ESP32_Pinout

(1) Female Header  (2) Reset Button (3) ESP32 S3 Wroom 1 (4) Programmable Buttons (5) Type C (6) Boot Button (7) 1.28” TFT Display (8) Male Header

(9) Power Status LED (10), (13), (15) & (18) WS2812 RGB LED (11) Battery Connector (12) GPIOs Breakout (14) Charging Status LED (16) QMI8658C 6D IMU Sensor (17) TFcard slot

Dual_Roundy_RP2040_Pinout

(1) & (5) Programmable Buttons  (2) RP2040 (3) Boot Button (4) Female Header (6) Type C (7) 1.28” TFT Display (8) Male Header

(9) Power Status LED (10), (13), (15) & (18) WS2812 RGB LED (11) Battery Connector (12) GPIOs Breakout (14) Charging Status LED (16) QMI8658C 6D IMU Sensor (17) TFcard slot

Dimensions:

Dual_Roundy_ESP32

Dual_Roundy_RP2040

Dual_Roundy_Common

Applications:

• Digital Signage and Notice Boards
• Interactive Displays for Smart Gadgets
• Portable Weather Station & Real-Time Data Logging
• DIY IoT & Electronics Prototyping Projects
• Smart Automation & Healthcare
• Human-Machine Interface (HMI)
• Retail Point-of-Sale Displays.

Resources:

For Dual Roundy RP2040:
Software GitHub: Getting Started Guide

Hardware GitHub: Hardware Design files like Schematic, Dimension, Step and 3D

For Dual Roundy ESP32:
Software GitHub: Getting Started Guide

Hardware GitHub: Hardware Design files like Schematic, Dimension, Step and 3D

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