1.64 inch square e-Paper Module (G)
1.64inch 4-Color Square E-Paper Display Module
A compact 168 168 square e-paper module supporting red, yellow, black, and white display output, with SPI interface, wide viewing angle, and ultra-low power paper-like display.
Key Features
- 1.64 inch square e-paper panel with 168 168 resolution.
- Four-color display: red, yellow, black, and white.
- No backlight required; content remains visible after power is removed.
- Ultra-low power consumption, mainly required during refresh.
- SPI interface for Raspberry Pi, Jetson Nano, Arduino, STM32, and other controller boards.
- Onboard voltage translator for 3.3V and 5V MCU compatibility.
Specifications
| Operating voltage |
3.3V / 5V |
| Display color |
Red / Yellow / Black / White |
| Interface |
3-wire SPI / 4-wire SPI |
| Grey scale |
2 |
| Resolution |
168 168 pixels |
| Display size |
29.568 29.568mm |
| Outline dimensions |
47 38mm |
| Full refresh time |
12s |
| Refresh power |
<57mW typ. |
| Dot pitch |
0.176 0.176mm |
| Standby current |
<0.01uA |
Why E-Paper
E-paper reflects ambient light like printed paper, stays readable under lamplight or natural light, and keeps the last displayed content after power is removed.
SPI Interface
The module uses SPI and can connect to common controller boards such as Raspberry Pi, STM32, and Arduino.
| VCC |
3.3V / 5V input |
| GND |
Ground |
| DIN |
SPI MOSI |
| CLK |
SPI SCK |
| CS |
SPI chip select, active low |
| DC |
Data / command selection |
| RST |
External reset, active low |
| BUSY |
Busy status output |
Application Examples
Suitable for price tags, shelf labels, asset or equipment tags, conference name tags, industrial instruments, and compact low-power information displays.
Outline Dimensions
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