3D RGB DreamLight Case Remix
thingiverse
I upgraded the case top and bottom to fit in an electret microphone amplifier and a female barrel jack for power into the original design. All hardware is housed inside the case, including the Arduino Nano, capacitor, resistor, microphone, and wiring. I used hot glue to keep everything together and M3-0.5 x 6mm cap screws to secure the base.\r\n\r\nI also added a quick disconnect plug for power to the Nano so I can program it from USB if needed while keeping the LED matrix powered.\r\n\r\nI'm including the code I wrote to control the LEDs. I came up with about a half dozen variations for how the matrix will light up. My code isn't commented well but there's not much there, making it easy to figure out. It also includes some code from Adafruit to measure sound levels.\r\n\r\nhttps://youtu.be/5rBIQpBkwkU\r\n\r\nSOURCE CODE:\r\nhttps://pastebin.com/E13bxYhh\r\nAudio goes into A1 and LED data flows to D3\r\n\r\nPARTS:\r\n1. Electret Microphone Amplifier - MAX4466 with Adjustable Gain\r\nhttps://www.adafruit.com/product/1063\r\n2. 3A 12v For DC Power Supply Jack Socket Female Panel Mount Connector 5.5mm 2.1mm Plug Adapter 2 Terminal Types 5.5*2.1\r\nhttps://www.aliexpress.com/item/10Pcs-3A-12v-For-DC-Power-Supply-Jack-Socket-Female-Panel-Mount-Connector-5-5mm-2/32883658107.html\r\n3. 1000uF 25V Radial Electrolytic Capacitor 10 x 17mm 105°C \r\nhttps://www.banggood.com/20pcs-1000uF-25V-Radial-Electrolytic-Capacitor-10-x-17mm-105C-p-1022623.html\r\n4. Through-Hole Resistors - 470 ohm 5% 1/4W\r\nhttps://www.adafruit.com/product/2781\r\n5. 2-pin JST SM Plug + Receptacle Cable Set\r\nhttps://www.adafruit.com/product/2880\r\n6. M3-0.5 x 6mm cap screws\r\nhttps://www.homedepot.com/p/Everbilt-M3-0-5-x-6-mm-Zinc-Plated-Plain-Metric-Socket-Cap-Screw-3-Piece-per-Bag-803168/204808021\r\n7. Arduino Nano\r\nhttps://www.aliexpress.com/item/Newest-1-pcs-Nano-V3-0-ATmega328P-Module-Board-Free-Mini-USB-Cable-for-Arduino-Compatible/32961269354.html\r\n8. 8x8 RGB LED matrix\r\nhttps://www.banggood.com/CJMCU-64-Bit-WS2812-5050-RGB-LED-Driver-Development-Board-p-981678.html
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