DiptiBraille is an affordable keyboard designed for the visually impaired, enabling text input using Braille. It supports document writing, reading, and audio playback for audiobooks. Users can connect an external Braille display for enhanced feedback.Wireless options include WiFi and WebShare for easy data transfer. Essential communication features like call and SMS are included for seamless interaction.

Operating System

DiptiOS 3 is a pioneering operating system meticulously crafted to cater to the unique needs of braille users. Rooted in the robust framework of FreeRTOS, DiptiOS/3 sets a new standard for accessibility, seamlessly integrating with braille display hardware to deliver unparalleled functionality and ease of use.

Experience the sophistication of DiptiBraille's sleek design and intuitive interface, offering both Demo and Pro versions. Unlock the full potential with the Pro Version, priced at $50, or explore its capabilities at no cost with the Demo Version.

✅ available	❌ not available	🔄 upcoming	🟡 partially available

Features	Pro	Demo	Features	Pro	Demo	Features	Pro	Demo
📄 Doc Writing	✅	✅	🖋️ Practice Writing	✅	❌	📚 Learn Writing	✅	🟡
📜 Doc Reading	✅	✅	📖 Practice Reading	✅	❌	📘 Learn Reading	✅	🟡
🎧 Audio Book	✅	✅	🎵 Music Library	🔄	❌	📞 Call	✅	🟡
💬 SMS	✅	❌	🧮 Calculator	✅	🟡	⌨️ BLE KeyBoard	🔄	❌
Bluetooth	✅	❌	WebShare	✅	❌	RemoteShell	🔄	❌
WiFi Manager	✅	🟡	⬇️ Download Manager	✅	❌	📱 Phone Manager	✅	❌
⚡Continuous Updates	✅	🟡	🎮 Games	✅	🟡	📻 Radio	✅	✅

DiptiOS/3 Ensures

OS Feature	Description
Optimized Braille Support	Comprehensive support for braille display devices ensures smooth input and output.
Intuitive Interface	User-friendly interface tailored for braille users prioritizes ease of navigation.
Real-Time Responsiveness	Built on FreeRTOS for instant feedback and interaction.
Customization Options	Personalize braille experience with customizable settings.
Seamless Connectivity	Effortless data exchange with other devices and platforms.
Enhanced Accessibility	Enjoy voice feedback and enhanced audio.
Reliability and Stability	Backed by FreeRTOS for consistent performance and uptime.

Open Source Hardware

Printed Circuit Boards

Base Material: FR-4	Layers: 2	Thickness: 1.6 mm	Surface: HASL(with lead)	Quality: IPC 2	Silkscreen: White

Main Unit PCB Outlook	Additional Info	Display Unit PCB Outlook	Additional Info
	Dim: 251x148 Color: Green		Dim: 116x77 Color: Black

🔧 Components List

Component	Quantity	Component	Quantity
💻 ESP32 S3 N16R8	x1	📶 SIM800L GSM module	x1
⌨️ Cherry MX Mechanical keys	x16	⌨️ Mechanical Key Cap	x16
🔊 I2S Amplifier	x1	🔊 Speaker 3W	x1
📇 SD Card Module	x1	📇 SD Card	x1
⚙️ Motor Driver - TB6612FNG	x6	🔄 Shift Register - 74HC595	x2
🔋 4.2v 2000mAh Li-on Battery	x3	⚡ BMS (Circuit Protector)	x1
⚡ 5V Constant Step Down BUCK Converter	x2	🔌 12v Laptop Charger	x1
⚡ Capacitor	x2	⚡ Diode	x20
🔘 Push Button	x10

External Libraries We have Used

• gpio_viewer by charlesgiguere

• ESP32-audioI2S by schreibfaul1

• ESPFMfGK by Holger Lembke

• WebSerialLite by 杨成锴

• WifiManager by tzapu

• Keypad by Christopher Andrews

• ESPAsyncTCP by Me No Dev

• ESPAsyncWebServer by Me No Dev

• ESP32-BLE-Keyboard by T-vK

  We express our gratitude❤️ to these developers for their remarkable libraries.