Project Name: Raspberry Pi OCR
Project Author: yifan0131
This is a reading pen that supports on-screen Chinese-English translation and real-time voice translation!
Using Raspberry Pi Zero 2 W as the main control design.
Canread Chinese and English aloud, with real-time display and broadcasting.
Can translate duringreading, with real-time display and broadcasting.
Supports language interaction, allowing for real-time translation while speaking, no worries when traveling abroad!
Accuracy rate up to90%+
Size not exceeding 150mm x 40mm x 30mm, portable.
Powered by TYPE-C interface, built-in lithium battery, built-in SD card slot, screen, WIFI, and Bluetooth modules.
Schematic Diagram
PCB Diagram
Power part USB TYPE-C input, IP5306 for battery charging,boosting to 5V for the entire device
Raspberry Pi Zero 2 W with external USB2.0 Hub control chip FE1.1s, expandingthree USB interfaces, connectingUSB sound card for recording, playback, and connecting a camera to save OCR scans asAVI files, external USB port (can connect U-disks, SD card readers, keyboards, mice, etc.)
SPI bus connected to the ST7789 driven LCD
GPIO connected to6 buttons, controlling LCD backlight
This section mainly discusses:
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How to read WIFI configuration files and update them through the SD card reader on Raspberry Pi
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VNC settings and login
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Shell login to Raspberry Pi desktop
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ZEROTIER internal network penetration
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Library upgrade! Change source for faster downloads
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Baidu, iFlytek API
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Set up py program file to start automatically
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PC sideSet up HTTP server, providing image recognition, OCR conversion
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Summary of encountered issues
These contents have very specific principle analysis + tutorials + reference materials in the original text and will not be repeated here.Original open-source URL:https://oshwhub.com/yifan0131/RaspberryPiOCR
For the panel, acrylic material was selected.
This project has been open-sourced!
—— Want to replicate ? Want to give the author a thumbs up ? You cancopy the open-source URL to visit the original text.
Open Source URL:https://oshwhub.com/yifan0131/RaspberryPiOCR
Click the end of the article [Read Original] to directly enter the original text.
The open-source project updated today comes from the Spark Plan bounty track,with a prize of 5000 yuan.
The bounty track belongs to the [LiChuang Open Source Hardware Platform] hosted Spark Plan activity.
Features of the bounty track are as follows:
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Fixed themes and fixed bounty prizes
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Individual projectsprizes ranging from 1,000 to 20,000 yuan
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Each project provides20,000 yuan worth of materials, including: components, OCB, CNC, etc.
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One project corresponds to one contestant
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Successful completion100% prize awarded;
Currently, there are many projects in the bounty track waiting to be claimed! Quickly scan the code to register!
*This article is a reprint of user creation from the “LiChuang Open Source Hardware Platform”. If there is any infringement, please contact for deletion.
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