# RPI Pico Audio-Visualizer ## Description The board consists of 16 LEDs arranged in a circle and 3 microphones, which are connected to the RPI Pico. The RPI Pico reads the sound input from the microphones, calculates the location of the sound, and turns on the corresponding LED(s) in the circle. ## Project Details - **Owner:** vasyl - **Created:** 3/2/2023 - **Last Updated:** 3/30/2023 - **Visibility:** Public ## Key Components ### D1 — [WS2812B-B](https://www.flux.ai/vasyl/ws2812b-b~vet.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/2006151006_Worldsemi-WS2812B-B_C114586.pdf - Part Type: LED - Manufacturer Name: Worldsemi - Manufacturer Part Number: WS2812B-B **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### D10 — [WS2812B-B](https://www.flux.ai/vasyl/ws2812b-b~vet.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/2006151006_Worldsemi-WS2812B-B_C114586.pdf - Part Type: LED - Manufacturer Name: Worldsemi - Manufacturer Part Number: WS2812B-B **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### D11 — [WS2812B-B](https://www.flux.ai/vasyl/ws2812b-b~vet.md) - Manufacturer Part Number: WS2812B-B - Manufacturer Name: Worldsemi - Datasheet URL: https://datasheet.lcsc.com/lcsc/2006151006_Worldsemi-WS2812B-B_C114586.pdf - Part Type: LED **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### D12 — [WS2812B-B](https://www.flux.ai/vasyl/ws2812b-b~vet.md) - Part Type: LED - Datasheet URL: https://datasheet.lcsc.com/lcsc/2006151006_Worldsemi-WS2812B-B_C114586.pdf - Manufacturer Name: Worldsemi - Manufacturer Part Number: WS2812B-B **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### D13 — [WS2812B-B](https://www.flux.ai/vasyl/ws2812b-b~vet.md) - Manufacturer Part Number: WS2812B-B - Datasheet URL: https://datasheet.lcsc.com/lcsc/2006151006_Worldsemi-WS2812B-B_C114586.pdf - Part Type: LED - Manufacturer Name: Worldsemi **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### D14 — [WS2812B-B](https://www.flux.ai/vasyl/ws2812b-b~vet.md) - Manufacturer Part Number: WS2812B-B - Datasheet URL: https://datasheet.lcsc.com/lcsc/2006151006_Worldsemi-WS2812B-B_C114586.pdf - Part Type: LED - Manufacturer Name: Worldsemi **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### D15 — [WS2812B-B](https://www.flux.ai/vasyl/ws2812b-b~vet.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/2006151006_Worldsemi-WS2812B-B_C114586.pdf - Part Type: LED - Manufacturer Name: Worldsemi - Manufacturer Part Number: WS2812B-B **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### D16 — [WS2812B-B](https://www.flux.ai/vasyl/ws2812b-b~vet.md) - Manufacturer Part Number: WS2812B-B - Datasheet URL: https://datasheet.lcsc.com/lcsc/2006151006_Worldsemi-WS2812B-B_C114586.pdf - Part Type: LED - Manufacturer Name: Worldsemi **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### D2 — [WS2812B-B](https://www.flux.ai/vasyl/ws2812b-b~vet.md) - Manufacturer Name: Worldsemi - Datasheet URL: https://datasheet.lcsc.com/lcsc/2006151006_Worldsemi-WS2812B-B_C114586.pdf - Part Type: LED - Manufacturer Part Number: WS2812B-B **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### D3 — [WS2812B-B](https://www.flux.ai/vasyl/ws2812b-b~vet.md) - Manufacturer Part Number: WS2812B-B - Datasheet URL: https://datasheet.lcsc.com/lcsc/2006151006_Worldsemi-WS2812B-B_C114586.pdf - Part Type: LED - Manufacturer Name: Worldsemi **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### D4 — [WS2812B-B](https://www.flux.ai/vasyl/ws2812b-b~vet.md) - Manufacturer Part Number: WS2812B-B - Manufacturer Name: Worldsemi - Datasheet URL: https://datasheet.lcsc.com/lcsc/2006151006_Worldsemi-WS2812B-B_C114586.pdf - Part Type: LED **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### D5 — [WS2812B-B](https://www.flux.ai/vasyl/ws2812b-b~vet.md) - Manufacturer Name: Worldsemi - Part Type: LED - Datasheet URL: https://datasheet.lcsc.com/lcsc/2006151006_Worldsemi-WS2812B-B_C114586.pdf - Manufacturer Part Number: WS2812B-B **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### D6 — [WS2812B-B](https://www.flux.ai/vasyl/ws2812b-b~vet.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/2006151006_Worldsemi-WS2812B-B_C114586.pdf - Part Type: LED - Manufacturer Name: Worldsemi - Manufacturer Part Number: WS2812B-B **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### D7 — [WS2812B-B](https://www.flux.ai/vasyl/ws2812b-b~vet.md) - Manufacturer Name: Worldsemi - Datasheet URL: https://datasheet.lcsc.com/lcsc/2006151006_Worldsemi-WS2812B-B_C114586.pdf - Part Type: LED - Manufacturer Part Number: WS2812B-B **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### D8 — [WS2812B-B](https://www.flux.ai/vasyl/ws2812b-b~vet.md) - Manufacturer Part Number: WS2812B-B - Manufacturer Name: Worldsemi - Part Type: LED - Datasheet URL: https://datasheet.lcsc.com/lcsc/2006151006_Worldsemi-WS2812B-B_C114586.pdf **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### D9 — [WS2812B-B](https://www.flux.ai/vasyl/ws2812b-b~vet.md) - Manufacturer Part Number: WS2812B-B - Datasheet URL: https://datasheet.lcsc.com/lcsc/2006151006_Worldsemi-WS2812B-B_C114586.pdf - Part Type: LED - Manufacturer Name: Worldsemi **Pins:** - DIN [pin 4] - DOUT [pin 2] - VDD [pin 1] - VSS [pin 3] ### IC1 — [SHT21](https://www.flux.ai/vasyl/sht21~uv7.md) - Datasheet URL: https://www.sensirion.com/fileadmin/user_upload/customers/sensirion/Dokumente/2_Humidity_Sensors/Datasheets/Sensirion_Humidity_Sensors_SHT21_Datasheet.pdf - Part Type: Integrated Circuit - Manufacturer Part Number: SHT21 - Manufacturer Name: Sensirion AG **Pins:** - NC [pin 3] - NC [pin 4] - SCL [pin 6] - SDA [pin 1] - VDD [pin 5] - VSS [pin 2] ### M1 — [MP34DT06JTR](https://www.flux.ai/vasyl/mp34dt06jtr~l3z.md) - Manufacturer Part Number: MP34DT06JTR - Manufacturer Name: STMicroelectronics - Part Type: Microphones - Datasheet URL: https://datasheet.lcsc.com/lcsc/2004071606_STMicroelectronics-MP34DT06JTR_C503097.pdf **Pins:** - CLK [pin 3] - DOUT [pin 4] - GND [pin 5] - LR [pin 2] - VDD [pin 1] ### M2 — [MP34DT06JTR](https://www.flux.ai/vasyl/mp34dt06jtr~l3z.md) - Manufacturer Name: STMicroelectronics - Manufacturer Part Number: MP34DT06JTR - Datasheet URL: https://datasheet.lcsc.com/lcsc/2004071606_STMicroelectronics-MP34DT06JTR_C503097.pdf - Part Type: Microphones **Pins:** - CLK [pin 3] - DOUT [pin 4] - GND [pin 5] - LR [pin 2] - VDD [pin 1] ### M3 — [MP34DT06JTR](https://www.flux.ai/vasyl/mp34dt06jtr~l3z.md) - Part Type: Microphones - Datasheet URL: https://datasheet.lcsc.com/lcsc/2004071606_STMicroelectronics-MP34DT06JTR_C503097.pdf - Manufacturer Part Number: MP34DT06JTR - Manufacturer Name: STMicroelectronics **Pins:** - CLK [pin 3] - DOUT [pin 4] - GND [pin 5] - LR [pin 2] - VDD [pin 1] ### U1 — [Raspberry Pi Pico Shield](https://www.flux.ai/jharwinbarrozo/raspberry-pi-pico-shield~937.md) - Part Type: Microcontroller - Manufacturer Part Number: Pico **Pins:** - 3V3 - 3V3_EN - ADC_VREF - AGND - GND - GND - GND - GND - GND - GND - GND - GND - GPIO0 - GPIO1 - GPIO10 - GPIO11 - GPIO12 - GPIO13 - GPIO14 - GPIO15 - GPIO16 - GPIO17 - GPIO18 - GPIO19 - GPIO2 - GPIO20 - GPIO21 - GPIO22 - GPIO26_ADC0 - GPIO27_ADC1 - GPIO28_ADC2 - GPIO3 - GPIO4 - GPIO5 - GPIO6 - GPIO7 - GPIO8 - GPIO9 - RUN - SWCLK - SWDIO - VBUS - VSYS *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/vasyl/rpi-pico-audio-visualizer~q2a](https://www.flux.ai/vasyl/rpi-pico-audio-visualizer~q2a).* --- *Generated from [https://www.flux.ai/vasyl/rpi-pico-audio-visualizer~q2a](https://www.flux.ai/vasyl/rpi-pico-audio-visualizer~q2a)*