https://github.com/cdfer/business-cards
Showcasing a collection of functional PCB business cards, each demonstrating a unique embedded electronics project.
https://github.com/cdfer/business-cards
arduino arm business-card business-cards esp32 pcb pcb-design risc-v stm32
Last synced: 4 months ago
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Showcasing a collection of functional PCB business cards, each demonstrating a unique embedded electronics project.
- Host: GitHub
- URL: https://github.com/cdfer/business-cards
- Owner: CDFER
- License: other
- Created: 2024-07-08T00:14:39.000Z (almost 2 years ago)
- Default Branch: main
- Last Pushed: 2024-10-07T20:48:07.000Z (over 1 year ago)
- Last Synced: 2025-04-07T21:44:45.706Z (about 1 year ago)
- Topics: arduino, arm, business-card, business-cards, esp32, pcb, pcb-design, risc-v, stm32
- Language: C
- Homepage:
- Size: 64.8 MB
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: readme.md
- License: LICENSE.md
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README
# PCB Business Cards
[](https://firstdonoharm.dev/version/3/0/cl-extr-ffd-media-mil-my-sv-tal.html)
Welcome to my PCB business cards, a collection of functional devices showcasing my passion for embedded electronics and microcontrollers. Each card is a unique project demonstrating a specific concept or technology.
## USB Cable Tester MK2
![PCB Render]()
![PCB in Real Life]()
* Simple, battery-powered USB 2.0 and 3.0 cable tester
* Protected by Schottky diodes and a polyfuse
* Indicates test results with LEDs
[Project Page](https://github.com/CDFER/Business-Cards/tree/main/USB_Cable_Tester_MK2)
## Tea Cozy Hotplate
![PCB Render]()
![PCB in Real Life]()
* Temperature-controlled hotplate for perfect tea temperature
* Compact design, precise temperature control, and user-friendly interface
[Project Page](https://github.com/CDFER/Business-Cards/tree/main/Tea_Cozy_Hotplate)
## USB MicroPad
![PCB Render]()
![PCB in Real Life]()
* 8-button macro pad for productivity shortcuts and macros
* Implemented as a USB HID keyboard and HID media consumer controller
[Project Page](https://github.com/CDFER/Business-Cards/tree/main/USB_Keypad)
## WLED Matrix
![PCB Render]()
![PCB in Real Life]()
* 7x9 RGB matrix display powered by an ESP32C3 microcontroller
* Controlled from any web browser using WLED firmware
[Project Page](https://github.com/CDFER/Business-Cards/tree/main/WLED_Matrix)
## USB Cable Tester MK1
![PCB Render]()
![PCB in Real Life]()
* Simple, battery-powered USB 2.0 and 3.0 cable tester
* Protected by Schottky diodes and a polyfuse
* Indicates test results with 0603 green LEDs
[Project Page](https://github.com/CDFER/Business-Cards/tree/main/USB_Cable_Tester)
### Support
Support my work by purchasing a custom CO2 sensor on my website or hiring me for freelance Embedded Electronics projects: [https://www.keastudios.co.nz](https://www.keastudios.co.nz/about.htm).