# Comparable Amethyst Speeder Bike ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** b2601 - **Created:** 5/28/2026 - **Last Updated:** 5/29/2026 - **Visibility:** Public ## Key Components ### U1 — [Arduino Nano RP2040 Connect with headers](https://www.flux.ai/jharwinbarrozo/arduino-nano-rp2040-connect-with-headers~4yt.md) - Part Type: Microcontroller - Manufacturer Name: Texas Instruments Inc. - Manufacturer Part Number: ABX00053 **Pins:** - +3V3 [pin 2] - +5V [pin 12] - ~RESET [pin 18] - A0/DAC0/GPIO26 [pin 4] - A1/GPIO27 [pin 5] - A2/GPIO28 [pin 6] - A3/GPIO29 [pin 7] - A4/GPIO12 [pin 8] - A5/GPIO13 [pin 9] - A6 [pin 10] - A7 [pin 11] - AREF [pin 3] - D10/GPIO5 [pin 28] - D11/GPIO7/COPI [pin 29] - D12/GPIO4/CIPO [pin 30] - D13/GPIO6 [pin 1] - D2/GPIO25 [pin 20] - D3/GPIO15 [pin 21] - D4/GPIO26 [pin 22] - D5/GPIO17 [pin 23] - D6/GPIO18 [pin 24] - D7/GPIO19 [pin 25] - D8/GPIO20 [pin 26] - D9/GPIO21 [pin 27] - GND [pin 14] - GND__1 [pin 19] - QSPI_~RESET [pin 13] - RX [pin 17] - TX [pin 16] - VIN [pin 15] ### U2 — [MAX86140ENP+](https://www.flux.ai/adrian95/max86140enpplus~0cp.md) - Manufacturer Part Number: MAX86140ENP+ - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Analog Devices Inc./Maxim Integrated - Datasheet URL: https://www.analog.com/media/en/technical-documentation/data-sheets/MAX86140-MAX86141.pdf **Pins:** - ~INT [pin B2] - CSB [pin A5] - GND_ANA [pin C4] - GND_DIG [pin C3] - GPIO1 [pin B3] - GPIO2 [pin B4] - LED1_DRV [pin D1] - LED2_DRV [pin C1] - LED3_DRV [pin B1] - N.C. [pin D4] - PD_GND [pin C5] - PD1_IN [pin D5] - PGND [pin D3] - SCLK [pin A2] - SDI [pin A4] - SDO [pin A3] - VDD_ANA [pin D2] - VDD_DIG [pin C2] - VLED [pin A1] - VREF [pin B5] ### U3 — [ICM-42688-P](https://www.flux.ai/jecstronic/icm-42688-p~5tz.md) - Manufacturer Part Number: ICM-42688-P - Manufacturer Name: TDK InvenSense - Part Type: Sensor - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/495/ICM-42688-P_DS_Rev1.2.pdf **Pins:** - AP_CS [pin 12] - AP_SCL/AP_SCLK [pin 13] - AP_SDA/AP_SDIO/AP_SDI [pin 14] - AP_SDO/AP_AD0 [pin 1] - GND [pin 6] - INT1/INT [pin 4] - INT2/FSYNC/CLKIN [pin 9] - RESV_10 [pin 10] - RESV_11 [pin 11] - RESV_2 [pin 2] - RESV_3 [pin 3] - RESV_7 [pin 7] - VDD [pin 8] - VDDIO [pin 5] ### U4 — [MAX30102EFD+T](https://www.flux.ai/vasy_skral/max30102efdplust~r7h.md) - Manufacturer Name: Maxim Integrated - Symbol Style: Parametric - Datasheet URL: https://datasheets.maximintegrated.com/en/ds/MAX30102.pdf - Part Type: Integrated Circuit - Manufacturer Part Number: MAX30102EFD+T - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - ~INT [pin 13] - GND [pin 12] - IR_DRV [pin 6] - NC [pin 8] - NC [pin 14] - NC [pin 1] - NC [pin 7] - PGND [pin 4] - R_DRV [pin 5] - SCL [pin 2] - SDA [pin 3] - VDD [pin 11] - VLED+ [pin 10] - VLED+ [pin 9] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/b2601/comparable-amethyst-speeder-bike~46](https://www.flux.ai/b2601/comparable-amethyst-speeder-bike~46).* --- *Generated from [https://www.flux.ai/b2601/comparable-amethyst-speeder-bike~46](https://www.flux.ai/b2601/comparable-amethyst-speeder-bike~46)*