EnkFi - ePaper Display Board Based on ESP32 S3 WROOM-1

The EnkFi series, powered by the ESP32 S3 WROOM-1, offers versatile e-paper display options in 2.9”, 4.2”, 5.83”, and 7.5” sizes, catering to diverse application needs. These displays feature a wide viewing angle of over 170 degrees and utilize bistable technology, ensuring no power consumption when the screen is not refreshed, making them highly energy-efficient. The black-white-red color scheme protects the eyes by eliminating blue light and radiation. With built-in Wi-Fi and BLE capabilities, the EnkFi series is ideal for IoT-based projects, providing robust connectivity.

The hardware includes both Serial UART and Native (D+/D-) Type C interfaces for programming convenience. Additional features include a GPIO breakout for peripheral interfacing, SD card for data logging, and a DS3231 RTC module for precise real-time tracking. These capabilities make the EnkFi series a powerful and versatile solution for various applications.

EnkFi Series:

• 📱 7.5" E-paper Display  - A canvas of endless opportunities.
• 📱 5.83" E-paper Display  - Perfectly balancing size and functionality.
• 📱 4.2" E-paper Display  - Compact, yet powerful for your creative needs.
• 📱 2.9" E-paper Display  - The pocket-sized marvel with big capabilities.

Features:

• EnkFi series powered by ESP32 S3 WROOM-1
• 2.9”, 4.2”, 5.83” and 7.5” E-paper display options available to cater specific applications needs.
• Wide viewing angle (>170 degrees) and bistable technology.
• No power usage while the screen is not refreshed, making it energy-efficient.
• Black-White-Red color scheme for eye protection - no blue light and no radiation.
• Inbuilt Wi-Fi/BLE capabilities makes it perfect choice for IoT based projects\
• Both Serial UART and Native(D+/D-) as Type C interface with Reset and Boot buttons available for programming purpose
• Status LED to indicate board power and battery charging
• Battery connector and charge management facility for portable use case.
• GPIOs breakout as standard JST-SH-1MM-8 pin connector for additional peripheral interfacing
• Onboard SD card connector best for data logging based projects.
• DS3231 RTC module to keep track and use for real time capturing prototype.
• There is a buzzer which can be used to add audio alerts for your project.
• Four Programmable buttons for adding extra control features

Specification:

• Microcontroller: ESP32-S3 series of SoCs having Xtensa® dual-core 32-bit LX7 microprocessor

• Connectivity: 2.4 GHz Wi-Fi (802.11 b/g/n) and Bluetooth® 5 (LE)

• Memory: Flash up to 16 MB, PSRAM up to 8 MB

• Board Supply Voltage: 5V 

• Operating Pin Voltage: 3.3V 

• GPIOs connector: JST-SH-1MM-8 pin

• RTC module : DS3231 

• Coin Cell Holder: Supports CR1220 3V Battery

• Battery Connector: Supports 3.7V Lithium ion battery  

• Battery Charge Management: MCP73831

• RGB LED: WS2812B

• Working Temperature: 0°C ~ +40°C 

• Display =>
  
  

 

EnkFi Pinouts:

1. Power LED
2. Charging Status
   
3. Battery Connector
4. E-paper connector
5. DS3231 RTC
6. RTC Battery Holder
7. Buzzer
8. GPIOs Breakout
9. TF card slot
10. Native USB (D+/D-)
11. Serial USB
12. ESP32 S3 WROOM-1
13. Boot Button
14. Reset Button
15. Programmable Buttons

Applications:

• Digital signs for retail stores or public information displays
• Weather Stations display to show real-time weather data with minimal power consumption.
• Smart Home interfaces for displaying information like calendars, reminders, or messages.
• Educational Tools for creating interactive displays and learning tools in classrooms.
• E-Ink Name Tags for creating reusable, customizable name tags for conferences and events.
  

Resources:

EnkFi 7.5” 

• Software GitHub: Getting Started Guide
• Hardware Github: Getting Started Guide

EnkFi 5.83” 

• Software GitHub: Getting Started Guide
• Hardware Github: Getting Started Guide

EnkFi 4.2” 

• Software GitHub: Getting Started Guide
• Hardware Github: Getting Started Guide

EnkFi 2.9” 

• Software GitHub: Getting Started Guide
• Hardware Github: Getting Started Guide