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4.2inch Touch E-Paper E-Ink Displays HAT 0.3s Partial Update 400×300 pixels, GDEY042T81-T02

Name: 4.2inch Touch E-Paper E-Ink Displays HAT 0.3s Partial Update 400×300 pixels, GDEY042T81-T02
Brand: GOOD DISPLAY
Price: 20.31 USD
Availability: InStock
Rating: 5 (1 reviews)

$20.31 ~~$23.89~~

15% OFF

Discover Goodisplay's 4.2-inch E-Ink touchscreen (GDEY042T81-T02)—ultra-thin, high-clarity, and fast-refreshing, with PET-integrated touch that slashes power & costs for retail, smart homes, and more!

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Description

✦ Premium Touch ePaper

GDEY042T81-T02

4.2″ Interactive E‑Ink® with Capacitive Touch

This 4.2″ touch e‑paper module combines a high‑resolution 400×300 black‑and‑white electrophoretic display with capacitive touch interaction. With 4‑level grayscale, fast and partial refresh support, and ultra‑low standby power, it is well suited for education devices, smart displays, in‑vehicle information systems, and other low‑power interactive applications.

400×300 Resolution

119.05 DPI

0.003 mW Standby Power

0.3 s Partial Refresh

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GDEY042T81-T02 · 4.2″ capacitive touch ePaper

Performance at a Glance

📐

400×300

Resolution

🎨

4 Levels

Max Grayscale

⚡

0.003 mW

Standby Power

🚀

1.5 s

Fast Refresh

🔄

0.3 s

Partial Update

📦

2 s

Full Update

✦ Touch Integration

Interactive ePaper for Low‑Power Applications

The 4.2″ touch module is designed to combine paper‑like display quality with intuitive touch interaction while keeping power consumption extremely low.

400×300 resolution with 119.05 DPI
4‑level grayscale for detailed text and images
Supports STM32 and ESP32 development platforms

Choose Your Development Kit

SKU Option	What's Included	Best For
EPD Only	GDEY042T81-T02 Touch EPD	Customers with existing driver hardware
+ Adapter Board	EPD + ESP32‑FTS02 Adapter Board	Own MCU / Raspberry Pi / ESP32
+ ESP32‑L Starter	EPD + ESP32‑L(FTS02) Demo Kit	Beginners & rapid prototyping
+ ESP32‑M1 All‑in‑One New	EPD + ESP32‑M1 Driver Board	★ Best Advanced devs, commercial & portable projects (battery‑ready)

Matching Driver Boards

Adapter ESP32‑FTS02

Integrates front light & touch. Works with your own MCU, Raspberry Pi, or ESP32.

Starter ESP32‑L Starter

ESP32‑WROOM‑32D onboard · WiFi + Bluetooth · Type‑C 5V — ideal for beginners.

Advanced ESP32‑M1 All‑in‑One

🔋 Li‑ion ready

Professional SPI driver · supports up to 13.3″ ePaper · built‑in touch, frontlight, microSD · Li‑ion battery ready — ideal for portable and battery‑powered devices.

Technical Specifications

Part Number	GDEY042T81‑T02	EPD Connector	24‑Pin FPC
Type	Dot Matrix	Max Grayscale	4
Size	4.2″	Color	Black / White
Driver IC	SSD1683	Full Refresh	2 s
Resolution	400 × 300	Fast Refresh	1.5 s
DPI	119.05	Partial Refresh	0.3 s
Outline (mm)	91.00 × 77.00 × 2.02	Refresh Power	18.48 mW
Active Area (mm)	84.80 × 63.60	Standby Power	0.003 mW
Pixel Pitch (mm)	0.212 × 0.212	Touch Connector	6‑Pin FPC
Operating Temp	0℃ ~ 50℃	Touch Controller	FT6336
Storage Temp	‑25℃ ~ 70℃	Touch Voltage	2.8 V ~ 3.3 V