AnotherMaker | OpenBuzzer - Building the ultimate open source game show buzzer platform - Part 1 @AnotherMaker | Uploaded July 2022 | Updated October 2024, 8 hours ago.
You can get the PCBs in this video from PCBWay.com
I've created a shared project to make getting them easy at pcbway.com/project/shareproject/OpenBuzzer_Game_Show_and_Quiz_Buzzer_Shield_ec3874db.html

Code and FREE online portal can be found at openbuzzer.com
Support in the Arduino and Maker section of my Discord - discord.com/invite/DyDcsGJPKv

Wemos D1 Mini - Multipack
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Wemos Battery Shield
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Batteries for Wemos (Not an endorsement :)
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RGB LEDs
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Fun Buttons
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LED Assortment
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Transistors
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Royalty Free, Copyright Free Music graciously provided by:
youtube.com/watch?v=WoXOKFItxJQ