FARAJIAJ Watch V2.0 – ESP32 Open Source E-Paper Smartwatch

FARAJIAJ Watch V2.0 – ESP32-Based Open Source E-Paper Smartwatch

Meet the FARAJIAJ Watch V2.0 — a fully open source, maker-friendly smartwatch powered by the ESP32 microcontroller. Featuring a crisp 1.54" e-paper display, built-in Wi-Fi & Bluetooth LE, and completely open source hardware and software, this is the ultimate wearable development platform for hobbyists, makers, and tech enthusiasts alike.

Whether you wear it straight out of the box or customize it with your own 3D-printed case and watch straps, the Watch V2.0 is as unique as its owner. Its PCB-exposed barebones design doubles as the watch body — a true conversation piece at the intersection of tech and style.

Made in Mainland China.

Key Features

• 1.54" Ultra-Low-Power E-Paper Display – 200×200 pixel monochrome display with wide viewing angle and excellent sunlight readability
• Wi-Fi & Bluetooth LE Connectivity – Connect to internet APIs (weather, news, traffic, Spotify, maps, and more) and BLE-enabled devices
• ESP32 Microcontroller – Beloved by the maker community; supports Arduino, MicroPython, ESP-IDF, Zephyr-RTOS, and more
• 3-Axis Accelerometer – With gesture detection for intuitive control
• Real-Time Clock (RTC) – Accurate timekeeping with calendar and alarm functions
• Built-In USB-to-Serial Adapter – Program the watch on the go without any extra hardware
• Vibration Motor – For alerts and notifications
• Four Tactile Buttons – Responsive physical controls
• Open Source Hardware & Software – Fully customizable; a huge library of example projects and watch faces available
• Square OLED-Quality Screen Shape – Clean, modern aesthetic

Specifications

Battery Life Details

The Watch V2.0 wakes every 60 seconds to check the accelerometer, real-time clock, and update the e-paper display. In time-only mode, expect 5–7 days of battery life. When pulling weather or other data via Wi-Fi, expect 2–3 days. Battery life can be further extended by customizing sleep schedules or wake triggers in your own firmware.

What's in the Box

• 1× Watch V2.0 (45×34×10mm)
• 1× Black Nylon Strap (24mm × 250mm)
• 1× USB Cable

Wi-Fi Setup Instructions

1. From the watch main menu, tap Set WiFi.
2. On your phone or computer, connect to the "Watch AP" Wi-Fi network.
3. Open 192.168.4.1 in your browser (iPhone users: this page opens automatically).
4. Tap Configure WiFi, enter your SSID and password, then hit Save.
5. The watch will confirm with your local IP and SSID, or display a timeout error if the connection fails.

Special Note: When flashing/rooting, be sure to select hardware version V2.0.

Explore Related Products

Looking for more tech accessories? Check out our 1.35m Selfie Stick Tripod with Bluetooth Remote & Auto Phone Holder or our versatile 1-In-2-Out HDMI Splitter Cable 1080P 3D for your home setup.

Learn More About Open Source Hardware

Interested in the growing world of open source electronics and maker culture? The NIST Internet of Things (IoT) Program offers excellent resources on standards and development for connected wearable devices.

Frequently Asked Questions

Q: What programming environments are compatible with the Watch V2.0 ESP32 smartwatch?

A: The Watch V2.0 is built on the ESP32 microcontroller, which supports a wide range of development frameworks including Arduino, MicroPython, ESP-IDF, and Zephyr-RTOS. This makes it one of the most flexible open source smartwatch platforms available, suitable for beginners and advanced makers alike.

Q: Is the FARAJIAJ Watch V2.0 waterproof?

A: No, the Watch V2.0 is not waterproof. Please avoid exposure to water, rain, or high-humidity environments to protect the PCB and e-paper display.

Q: How long does the battery last on the ESP32 e-paper watch?

A: In time-only mode (no Wi-Fi), the battery lasts approximately 5–7 days. When Wi-Fi is enabled to fetch data such as weather, battery life is approximately 2–3 days. You can further extend battery life by programming custom sleep/wake schedules in your own firmware.

Q: Can I customize the watch face and add my own apps to the Watch V2.0?

A: Absolutely! The Watch V2.0 is fully open source — both hardware and software. You can design custom watch faces, write new apps, and modify existing firmware. The ESP32 community provides a wealth of examples and tutorials to help you get started.