4D Systems' Gen4-IoD series is based off the Gen4 range of modules. The Gen4 series was designed with ease of use and easy integration in mind. Special consideration was given for space requirements as well as functionality, and to minimize the impact of display-related circuitry.

The Gen4-IoD family consists of modules in a 2.4”, 2.8”, and 3.2” options. The family has a color TFT LCD, resistive touch, and contains an ESP8266 Wi-Fi module, which offers functionality and options to a designer. The series can be programmed using the 4D Systems Workshop4 or an Arduino IDE. The 4D Systems GFX4d library enables speedy development of applications by providing extensive primitive graphics functions, enhanced graphics via Workshop4, SD card, and touch routines integrated into a single library. The on-board SD card socket enables the use of FAT16 or FAT32 formatted cards for extensive storage capabilities. The Gen4-IoD series features a 10-pin ZIF socket, designed for a 10-pin FFC cable, allowing for easy and simple connection to an application or motherboard.