4D Systems 4Duino 2.4" TFT LCD IoT Display Module

4D Systems 4Duino 2.4" TFT LCD IoT Display Module is Arduino compatible and features an ATmega32U4 8-bit microcontroller from Atmel. The 4Duino  has a built-in 240 x 320 resolution TFT LCD display with resistive touch and Wi-Fi capabilities. The module is powered by the Picaso Graphics Processor with an array of display functionality and options. The 4Duino also features the Olimex ESP8266 Wi-Fi module preprogrammed with the AT command set firmware. This enables the 4Duino to have Wi-Fi capabilities right out of the box.


  • Atmel ATmega32U4 8-bit MCU with:
    • 32KB Programmable Flash
    • 2.5KB Internal SRAM
    • 1KB Internal EEPROM
    • UP to 16MIPS Throughput
  • Powerful 2.4" intelligent LCD-TFT display module powered by PICASO with:
    • 14KB programmable flash
    • 14KB internal SRAM
  • 240 x 320 resolution, RGB 65K true to life colors, TFT LCD display with integrated 4-wire resistive touch panel
  • Olimex ESP8266 Wi-Fi module with:
    • 802.11b/g/n
    • Wi-Fi Direct (P2P), soft-AP
    • TCP/IP protocol stack
    • 1MB flash
  • General Purpose I/O pins for user interfacing, which include:
    • 20 Digital IO pins of which 7 are capable of PWM and 12 are capable of analog input
  • On-board USB for powering the 4Duino and programming the ATmega32U4
  • 2x5 - way header for programming Picaso and ESP8266 via a 4D systems programming cable or adaptor
  • On-board push-push type micro-SD memory card connector for multimedia storage and data logging purposes
  • DOS-compatible file access (FAT16 format) as well as low-level access to card memory
  • Display full-color images, animations, icons, and video clips
  • Supports all available Windows fonts
  • 4.0V to 5.5V range operation (single supply)
  • 1x 5VDC barrel jack for supply
  • Module dimensions: 72.8mm x 53.3mm x 14.6mm
  • Weighing ~36g
  • Display viewing area: 36.72mm x 48.96mm
  • RoHS and CE compliant

Block Diagram

Block Diagram - 4D Systems 4Duino 2.4


4D Systems 4Duino 2.4

Atmel ATmega32U4 8-bit Microcontroller (MCU) with USB Controller is a low-power, AVR® RISC-based device featuring 32KB self-programming flash program memory, 2.5KB SRAM, 1KB EEPROM, USB 2.0 full-speed/low-speed device module, 12-channel, 10-bit Analog-to-Digital-Converter, and JTAG interface for on-chip-debug.

4D Systems GOLDELOX & PICASO Embedded 4DGL Graphics Controllers are custom embedded graphics controllers designed to interface with many popular OLED and LCD display panels. Powerful graphics, text, image, animation, and countless more features are built right inside these chips.

Olimex MOD-WIFI-ESP8266 is a small expansion module with ESP8266EX and UEXT connector that allows easy connection to all Olimex boards with a similar connector. The module adds WIFI capabilities to such board.


Published: 2016-09-23 | Updated: 2022-03-11