Uploaded June 2025 | Updated September 2026, 2 weeks ago
PCBWay: pcbway.com/setinvite.aspx?inviteid=572577
Source Files: github.com/upiir/arduino_keychain_keychainino
Keychainino: keychainino.com
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Links from the video:
- Do you like this video? You can buy me a coffee ☕: buymeacoffee.com/upir
- Keychainino: keychainino.com
- Keychainino sketches: github.com/alessandromatera/KeyChainino
- Arduino UNO: https://s.click.aliexpress.com/e/_AXDw1h
- Test PCB fixture with pogo pins: https://s.click.aliexpress.com/e/_oCTrhCA
- Jumper Wires: https://s.click.aliexpress.com/e/_opxHIRs
- Breadboard wires: https://s.click.aliexpress.com/e/_Dkbngin
- TinyCade (arcade based on ATtiny85): github.com/RoboCY/Tinycade
- Arduboy (Arduino based gameboy): arduboy.com
Related videos:
- Dasai Mochi: youtu.be/QOoszpg0BsM
- TinyCade: youtu.be/brjS56u5oHk
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Keychainino is a simple keychain based on Arduino-compatible chip, the same one used in Arduino UNO. With 144 LEDs and small factor, it´s an ideal for playing simple games using dedicated two buttons. All powered by a single coin battery.
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PCBWay is a service for manufacturing custom PCBs. If you click the link above, you will get a coupon for $5, which is exactly the price of 10 pieces of custom PCBs. In that case, you will only pay for shipping. Do you have any experience doing this? Please let me know in the comment section!
------------------------------------------------------
Do you have any questions? Suggestions for the next video? Please put those down in the comment section. I try to answer as many questions as I can. Thank you for watching, reading the video description and I hope to see you next time. Good luck with your projects!
------------------------------------------------------
#arduino #diy #keychainino
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PCBWay: pcbway.com/setinvite.aspx?inviteid=572577
Source Files: github.com/upiir/arduino_keychain_keychainino
Keychainino: keychainino.com
-----------------------------------------------------
Links from the video:
- Do you like this video? You can buy me a coffee ☕: buymeacoffee.com/upir
- Keychainino: keychainino.com
- Keychainino sketches: github.com/alessandromatera/KeyChainino
- Arduino UNO: https://s.click.aliexpress.com/e/_AXDw1h
- Test PCB fixture with pogo pins: https://s.click.aliexpress.com/e/_oCTrhCA
- Jumper Wires: https://s.click.aliexpress.com/e/_opxHIRs
- Breadboard wires: https://s.click.aliexpress.com/e/_Dkbngin
- TinyCade (arcade based on ATtiny85): github.com/RoboCY/Tinycade
- Arduboy (Arduino based gameboy): arduboy.com
Related videos:
- Dasai Mochi: youtu.be/QOoszpg0BsM
- TinyCade: youtu.be/brjS56u5oHk
------------------------------------------------------
Keychainino is a simple keychain based on Arduino-compatible chip, the same one used in Arduino UNO. With 144 LEDs and small factor, it´s an ideal for playing simple games using dedicated two buttons. All powered by a single coin battery.
------------------------------------------------------
PCBWay is a service for manufacturing custom PCBs. If you click the link above, you will get a coupon for $5, which is exactly the price of 10 pieces of custom PCBs. In that case, you will only pay for shipping. Do you have any experience doing this? Please let me know in the comment section!
------------------------------------------------------
Do you have any questions? Suggestions for the next video? Please put those down in the comment section. I try to answer as many questions as I can. Thank you for watching, reading the video description and I hope to see you next time. Good luck with your projects!
------------------------------------------------------
#arduino #diy #keychainino
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