Want a Polaroid-style instant camera without the expensive refills? In this project, I show you how I built an ESP32-based instant camera
Things used in this project
Software apps and online services
Arduino IDE
Hand tools and fabrication machines
3D Printer (generic)
Soldering iron (generic)
Story
Build Your Own ESP32 Instant Camera!
Want a Polaroid-style instant camera without the expensive refills? In this project, I show you how I built an ESP32-based instant camera that captures a photo and prints it instantly. Curious how it works? Watch the full build video below!
Why Build Your Own Instant Camera?
I’ve always loved the idea of a Polaroid camera, but the cost of refills (around £2 per photo) quickly put me off. So, I decided to build my own. While many DIY instant cameras use a Raspberry Pi, I wanted something simpler and cheaper. That’s where the ESP32 camera module came in a compact, affordable alternative with enough processing power to capture and print photos instantly.
What You Need
• DFRobot ESP32 AI Camera Module A compact camera module with plenty of RAM for image capture.
• DFRobot Thermal Printer For instant photo printing
• 20V Drill Battery A reliable and portable power source
• Voltage Step-Down Converter (Buck Converter) To safely power the ESP32 and printer
• 3D-Printed Custom Enclosure Designed to house the components neatly.
How It Works
The ESP32 camera captures an image at the press of a button and immediately sends it to the thermal printer for printing. The camera and printer communicate via UART, and a buck converter ensures the 20V battery is safely stepped down to the required voltage.
I designed a custom 3D-printed enclosure to house everything neatly. The enclosure holds the camera, printer, and battery in a compact form, with a large button on the back for taking photos.
Overcoming Challenges
• Printer Compatibility: I initially received a different printer version than expected, requiring me to adjust the baud rate and connection settings.
• Image Quality: I implemented dithering techniques to improve the clarity of printed photos.
• Power Management: Using a 20V battery required careful voltage regulation to prevent damaging the ESP32 and printer.
Want to Build Your Own?
Make sure to watch the full build video for a step-by-step guide!
Links and Resources
https://github.com/FireMarshmellow/DIY_Instant_Camera
https://www.dfrobot.com/product-1799.html
https://www.dfrobot.com/product-2899.html?marketing=67c824f1362b5
If you have any questions or want to show off your own version of the project, feel free to leave a comment below or tag me on social media. Don’t forget to like and subscribe for more cool projects! 🙂
Code
https://github.com/FireMarshmellow/DIY_Instant_Camera
Reprint Notice: This article is reproduced from a project originally published by Mellow_labs on Hackster.io under the MIT License. We sincerely thank the author for sharing this project. For the original article, please visit https://www.hackster.io/Mellow_labs/build-your-own-esp32-instant-camera-f12649#overview
