# Flying Magenta Speeder Bike ## Description USB-C Powered WiFi/BLE Indoor Humidity & Temperature Sensor Node ## Project Details - **Owner:** mandiv - **Created:** 10/7/2025 - **Last Updated:** 10/7/2025 - **Visibility:** Public - **Connectivity:** WiFi, Bluetooth, USB - **Domain:** Consumer Electronics - **Manufacturing Quantity Target:** 10 - **Role:** Sensor Node - **Operating Voltage:** 3.3V - **Power Requirements:** USB ## Key Components ### D1 — [Schottky Rectifier Diode](https://www.flux.ai/corynrobinson/schottky-rectifier-diode.md) - Manufacturer Name: Vishay - Current: 3A - Manufacturer Part Number: SSA33L-E3/61T - Purchase Url: https://octopart.com/ssa33l-e3%2F61t-vishay-39552932 - Datasheet URL: https://octopart.com/datasheet/ssa33l-e3%2F61t-vishay-39552932 - Breakdown Voltage: 30V - Part Type: Diode - Package or Case Code: D_SMA - Role: Protection - Role Details: Reverse polarity protection on 5 V input - Forward Voltage: 450mV **Pins:** - A [pin 2] - K [pin 1] ### J1 — [USB-C 2.0 Receptacle](https://www.flux.ai/corynrobinson/usb-c-20-receptacle.md) - Manufacturer Part Number: USB4105-GF-A - Manufacturer Name: GTC - Part Type: USB C - Purchase Url: https://www.digikey.com/en/products/detail/gct/USB4105-GF-A/11198441 - Role Details: USB Type-C UFP connector for 5 V power input - Role: Connector - Datasheet URL: https://gct.co/files/drawings/usb4105.pdf **Pins:** - CC1 [pin 6] - CC2 [pin 12] - D- [pin 9] - D- [pin 7] - D+ [pin 10] - D+ [pin 8] - GND [pin 15] - GND [pin 1] - GND [pin 16] - GND [pin 2] - SBU1 [pin 11] - SBU2 [pin 5] - VBUS [pin 14] - VBUS [pin 13] - VBUS [pin 4] - VBUS [pin 3] ### J2 — [0901301106](https://www.flux.ai/adrian95/0901301106.md) - Datasheet URL: https://tools.molex.com/pdm_docs/sd/901301106_sd.pdf - Role: Connector - Role Details: MCU programming header (SWD) - Manufacturer Name: Molex - Manufacturer Part Number: 0901301106 - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Connector **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] - 5 [pin 5] - 6 [pin 6] ### U1 — [ESP32-S3-WROOM-1-N8R8](https://www.flux.ai/adrian95/esp32-s3-wroom-1-n8r8.md) - Role Details: Main MCU - WiFi/BLE module - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-s3-wroom-1_wroom-1u_datasheet_en.pdf - Manufacturer Part Number: ESP32-S3-WROOM-1-N8R8 - Manufacturer Name: Espressif Systems - Part Type: Module **Pins:** - 3V3 [pin 2] - EN [pin 3] - GND [pin 41_8] - GND [pin 41_2] - GND [pin 41_3] - GND [pin 41_1] - GND [pin 41_5] - GND [pin 41_7] - GND [pin 40] - GND [pin 41_9] - GND [pin 41_4] - GND [pin 1] - GND [pin 41_6] - IO0 [pin 27] - IO1 [pin 39] - IO10 [pin 18] - IO11 [pin 19] - IO12 [pin 20] - IO13 [pin 21] - IO14 [pin 22] - IO15 [pin 8] - IO16 [pin 9] - IO17 [pin 10] - IO18 [pin 11] - IO19 [pin 13] - IO2 [pin 38] - IO20 [pin 14] - IO21 [pin 23] - IO3 [pin 15] - IO35 [pin 28] - IO36 [pin 29] - IO37 [pin 30] - IO38 [pin 31] - IO39 [pin 32] - IO4 [pin 4] - IO40 [pin 33] - IO41 [pin 34] - IO42 [pin 35] - IO45 [pin 26] - IO46 [pin 16] - IO47 [pin 24] - IO48 [pin 25] - IO5 [pin 5] - IO6 [pin 6] - IO7 [pin 7] - IO8 [pin 12] - IO9 [pin 17] - RXD0 [pin 36] - TXD0 [pin 37] ### U2 — [MCP1825S-3302E/DB](https://www.flux.ai/adrian95/mcp1825s-3302edb.md) - Role Details: 3.3 V LDO regulator 500 mA output - Part Type: Power Management - Datasheet URL: https://datasheet.datasheetarchive.com/originals/distributors/SFDatasheet-4/sf-00090042.pdf - Manufacturer Name: Microchip - Manufacturer Part Number: MCP1825S-3302E/DB - Package or Case Code: SOT230P700X180-4N - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - GND_(TAB)_1 [pin 2] - GND_(TAB)_2 [pin 4] - VIN [pin 1] - VOUT [pin 3] ### U3 — [SHT40-AD1F-R2](https://www.flux.ai/adrian95/sht40-ad1f-r2.md) - Manufacturer Part Number: SHT40-AD1F-R2 - Datasheet URL: https://sensirion.com/media/documents/33FD6951/63E1087C/Datasheet_SHT4x_1.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: I²C humidity/temperature sensor - Manufacturer Name: Sensirion AG - Role: Sensor - Part Type: Sensor **Pins:** - SCL [pin 2] - SDA [pin 1] - VDD [pin 3] - VSS [pin 4] ### U4 — [USBLC6-2P6](https://www.flux.ai/kicad-part-library/usblc6-2p6.md) - Manufacturer Part Number: USBLC6-2P6 - Role Details: ESD protection diode for USB data lines (low capacitance <1 pF) - Manufacturer Name: Texas Instruments Inc. - Datasheet URL: https://www.st.com/resource/en/datasheet/usblc6-2.pdf - Role: Protection - Package or Case Code: SOT-666 **Pins:** - GND [pin 2] - I/O1 [pin 6] - I/O1 [pin 1] - I/O2 [pin 3] - I/O2 [pin 4] - VBUS [pin 5] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/mandiv/flying-magenta-speeder-bike](https://www.flux.ai/mandiv/flying-magenta-speeder-bike).* --- *Generated from [https://www.flux.ai/mandiv/flying-magenta-speeder-bike](https://www.flux.ai/mandiv/flying-magenta-speeder-bike)*