https://github.com/tobycm/blahaj-keychain

blahaj keychain, perfect for presents :3
https://github.com/tobycm/blahaj-keychain

Last synced: 4 months ago
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blahaj keychain, perfect for presents :3

• Host: GitHub
• URL: https://github.com/tobycm/blahaj-keychain
• Owner: tobycm
• License: mit
• Created: 2025-05-08T12:42:25.000Z (about 1 year ago)
• Default Branch: main
• Last Pushed: 2025-05-08T12:55:24.000Z (about 1 year ago)
• Last Synced: 2025-12-23T08:59:15.589Z (6 months ago)
• Size: 836 KB
• Stars: 1
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# Blahaj Keychain

with glow-in-the-dark eye, purrfect for presents :3

## Schematic

![schematic](assets/schematic.png)

## PCB

![front pcb](assets/front_pcb.png)

![back pcb](assets/back_pcb.png)

![3d](assets/3d.png)

## Features

- stay-on LED after pressing the button

- glow-in-the-dark eye

- shiny body

- very cute

## BOM

| Part           | Value   | Quantity |

|:---------------|:--------|---------:|

| Resistor       | 4.7k    |        1 |

| Resistor       | 220     |        6 |

| Photoresistor  |         |        1 |

| LED            |         |        2 |

| Capacitor      | 10uF    |        1 |

| 2N3904         |         |        2 |

| 2N3906         |         |        1 |

| Battery Holder |         |        1 |

| Button         |         |        1 |

made by the one and only [@tobycm](https://github.com/tobycm) :3 rawrrrr

readme ~~copied~~ inspired from [https://github.com/cheyao/Open555](https://github.com/cheyao/Open555)

design ur own pcb at [https://solder.hackclub.com](https://solder.hackclub.com)