# Cultural Red T-800 ## Description Falcon One v1 – Compact STM32-Based GNSS + LoRa 915 MHz Telemetry Node with LiPo Power and USB-C ## Project Details - **Owner:** jakewal20 - **Created:** 1/6/2026 - **Last Updated:** 1/6/2026 - **Visibility:** Public - **DRC_Issues:** No DRC issues found. All design rule checks passed. - **System Architecture:** ```mermaid flowchart TD MCU["STM32 MCU"] GNSS["GNSS Module"] LORA["LoRa 915MHz Module"] CHG["LiPo Charger/Protection"] LDO["3.3V LDO Regulator"] USB["USB-C Interface"] BATT["LiPo Battery Connector"] SWD["SWD Header"] UARTDBG["UART Debug Header"] ANT["u.FL Antenna Connector"] BATT --> CHG USB --> CHG CHG --> LDO LDO --> MCU LDO --> GNSS LDO --> LORA MCU -->|UART| GNSS MCU -->|SPI| LORA MCU --> SWD MCU --> UARTDBG ANT --> GNSS ``` - **ERC_Issues:** No ERC issues found. All electrical rule checks passed. ## Key Components ### D1 — [LED 0805 (2012 Metric)](https://www.flux.ai/vasyl/led-0805-2012-metric~sr7.md) - Mount: Surface Mount - Part Type: LED - Current Rating: 0.02A - Role Details: Power status indicator - Manufacturer Part Number: Kingbright APTD1608SURCK - Role: LED - Manufacturer Name: Kingbright - Package or Case Code: D_0603_1608Metric - Diode Type: LED - Forward Voltage: 2V **Pins:** - A [pin 2] - K [pin 1] ### D2 — [LED 0805 (2012 Metric)](https://www.flux.ai/vasyl/led-0805-2012-metric~sr7.md) - Manufacturer Part Number: Kingbright APTD1608SURCK - Current Rating: 0.02A - Mount: Surface Mount - Role Details: TX status indicator - Role: LED - Part Type: LED - Forward Voltage: 2V - Diode Type: LED - Package or Case Code: D_0603_1608Metric - Manufacturer Name: Kingbright **Pins:** - A [pin 2] - K [pin 1] ### J1 — [2024100002](https://www.flux.ai/adrian95/2024100002~atk.md) - Part Type: Connector - Package: Board Edge - Manufacturer Name: Molex - Role Details: USB-C receptacle for power and data - License: https://creativecommons.org/licenses/by/4.0/ - Role: Connector - Manufacturer Part Number: 2024100002 - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/834/202410002_Pkg_Spec.pdf **Pins:** - CC1 [pin A5] - CC2 [pin B5] - DA- [pin A7] - DA+ [pin A6] - DB- [pin B7] - DB+ [pin B6] - GND1 [pin A1] - GND2 [pin A12] - GND3 [pin B1] - GND4 [pin B12] - RX1- [pin B10] - RX1+ [pin B11] - RX2- [pin A10] - RX2+ [pin A11] - SBU1 [pin A8] - SBU2 [pin B8] - SHIELD1 [pin SH1] - SHIELD2 [pin SH2] - SHIELD3 [pin SH3] - SHIELD4 [pin SH4] - TX1- [pin A3] - TX1+ [pin A2] - TX2- [pin B3] - TX2+ [pin B2] - VBUS1 [pin A4] - VBUS2 [pin A9] - VBUS3 [pin B4] - VBUS4 [pin B9] ### J2 — [U.FL-R-SMT(10)](https://www.flux.ai/adrian95/ufl-r-smt10~t6.md) - Package: Surface Mount - Manufacturer Part Number: U.FL-R-SMT(10) - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Hirose%20PDFs/UFL%20Series.pdf - Part Type: Connector - Role Details: u.FL RF antenna connector - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Hirose Electric Co Ltd - Role: Connector **Pins:** - 1 [pin 1] - 2 [pin 2-1] - 3 [pin 2-2] ### J3 — [B2B-PH-K-S(LF)(SN)](https://www.flux.ai/jecstronic/b2b-ph-k-slfsn~nss.md) - Package: Through Hole - Manufacturer Part Number: B2B-PH-K-S(LF)(SN) - Part Type: Connector - Manufacturer Name: JST Sales America - Role Details: JST-PH 2-pin LiPo battery connector - License: https://creativecommons.org/licenses/by/4.0/ - Role: Connector - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811151524_JST-Sales-America-B2B-PH-K-S-LF-SN_C131337.pdf **Pins:** - PIN1 [pin 1] - PIN2 [pin 2] ### J4 — [2x5 Pin Shrouded Header](https://www.flux.ai/rex-flux/2x5-pin-shrouded-header~tg.md) - Role Details: SWD programming header - Part Type: Connector - Package: Through Hole - Datasheet URL: https://www.we-online.com/catalog/datasheet/61201021621.pdf - Role: Connector - Manufacturer Name: Würth Elektronik - Manufacturer Part Number: 61201021621 **Pins:** - P1 [pin 1] - P10 [pin 10] - P2 [pin 2] - P3 [pin 3] - P4 [pin 4] - P5 [pin 5] - P6 [pin 6] - P7 [pin 8] - P7 [pin 7] - P9 [pin 9] ### J5 — [Pin Header 01x04 2.54mm Vertical without Designators](https://www.flux.ai/markwuflux/pin-header-01x04-2p54mm-vertical-without-designators~qb.md) - Package: Through Hole - Role: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: UART debug header: 3.3V, GND, TXD, RXD - Part Type: Connector **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 1] - Pin_3 [pin 3] - Pin_4 [pin 4] ### TP1 — [5019](https://www.flux.ai/adrian95/5019~fxh.md) - License: https://creativecommons.org/licenses/by/4.0/ - Role: Test Point - Datasheet URL: https://www.keyelco.com/product-pdf.cfm?p=1357 - Manufacturer Part Number: 5019 - Role Details: SWD signal test points - Package or Case Code: 5019 - Package: Surface Mount - Manufacturer Name: Keystone Electronics - Part Type: Test Point **Pins:** - 1 [pin 1] ### TP2 — [5019](https://www.flux.ai/adrian95/5019~fxh.md) - Manufacturer Name: Keystone Electronics - Package: Surface Mount - Role Details: SWD signal test points - Part Type: Test Point - Datasheet URL: https://www.keyelco.com/product-pdf.cfm?p=1357 - License: https://creativecommons.org/licenses/by/4.0/ - Package or Case Code: 5019 - Role: Test Point - Manufacturer Part Number: 5019 **Pins:** - 1 [pin 1] ### TP3 — [5019](https://www.flux.ai/adrian95/5019~fxh.md) - Datasheet URL: https://www.keyelco.com/product-pdf.cfm?p=1357 - Role Details: SWD signal test points - License: https://creativecommons.org/licenses/by/4.0/ - Package or Case Code: 5019 - Manufacturer Part Number: 5019 - Manufacturer Name: Keystone Electronics - Role: Test Point - Package: Surface Mount - Part Type: Test Point **Pins:** - 1 [pin 1] ### TP4 — [5019](https://www.flux.ai/adrian95/5019~fxh.md) - Package: Surface Mount - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.keyelco.com/product-pdf.cfm?p=1357 - Manufacturer Part Number: 5019 - Package or Case Code: 5019 - Role: Test Point - Role Details: UART TXD test point - Manufacturer Name: Keystone Electronics - Part Type: Test Point **Pins:** - 1 [pin 1] ### TP5 — [5019](https://www.flux.ai/adrian95/5019~fxh.md) - Package: Surface Mount - Role Details: UART RXD test point - Part Type: Test Point - Manufacturer Name: Keystone Electronics - Role: Test Point - Package or Case Code: 5019 - Manufacturer Part Number: 5019 - Datasheet URL: https://www.keyelco.com/product-pdf.cfm?p=1357 - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 1 [pin 1] ### U1 — [STM32F103C8T6](https://www.flux.ai/vasy_skral/stm32f103c8t6~isy.md) - Manufacturer Part Number: STM32F103C8T6 - Part Type: Microcontroller - Symbol Style: Parametric - Datasheet URL: https://www.st.com/resource/en/datasheet/stm32f103cb.pdf - Role Details: Main microcontroller with SWD debug interface - Role: Main MCU - License: https://creativecommons.org/licenses/by/4.0/ - Package: 48-LQFP - Manufacturer Name: STMicroelectronics **Pins:** - BOOT0 [pin 44] - NRST [pin 7] - PA0 [pin 10] - PA1 [pin 11] - PA10 [pin 31] - PA11 [pin 32] - PA12 [pin 33] - PA13 [pin 34] - PA14 [pin 37] - PA15 [pin 38] - PA2 [pin 12] - PA3 [pin 13] - PA4 [pin 14] - PA5 [pin 15] - PA6 [pin 16] - PA7 [pin 17] - PA8 [pin 29] - PA9 [pin 30] - PB0 [pin 18] - PB1 [pin 19] - PB10 [pin 21] - PB11 [pin 22] - PB12 [pin 25] - PB13 [pin 26] - PB14 [pin 27] - PB15 [pin 28] - PB2 [pin 20] - PB3 [pin 39] - PB4 [pin 40] - PB5 [pin 41] - PB6 [pin 42] - PB7 [pin 43] - PB8 [pin 45] - PB9 [pin 46] - PC13 [pin 2] - PC14 [pin 3] - PC15 [pin 4] - PD0 [pin 5] - PD1 [pin 6] - VBAT [pin 1] - VDD [pin 24] - VDD [pin 36] - VDD [pin 48] - VDDA [pin 9] - VSS [pin 35] - VSS [pin 47] - VSS [pin 23] - VSSA [pin 8] ### U2 — [NEO-M8T-0](https://www.flux.ai/vasy_skral/neo-m8t-0~bjh.md) - Datasheet URL: https://www.u-blox.com/en/docs/UBX-15025193 - Package: 24-SMD Module - Part Type: GPS Transceiver Module - Role: GNSS Module - Role Details: UART GNSS receiver with u.FL antenna - Manufacturer Name: U-Blox - Manufacturer Part Number: NEO-M8T-0 **Pins:** - ~RESET [pin 8] - D_SEL [pin 2] - EXTINT0 [pin 4] - EXTINT1 [pin 15] - GND [pin 12] - GND [pin 13] - GND [pin 10] - GND [pin 24] - LNA_EN [pin 14] - RESERVED [pin 17] - RESERVED [pin 16] - RF_IN [pin 11] - RXD/SPI_MOSI [pin 21] - SCL/SPI_CLK [pin 19] - SDA/~SPI_CS [pin 18] - TIMEPULSE [pin 3] - TP2/~SAFEBOOT [pin 1] - TXD/SPI_MISO [pin 20] - USB_DM [pin 5] - USB_DP [pin 6] - V_BCKP [pin 22] - VCC [pin 23] - VCC_RF [pin 9] - VDD_USB [pin 7] ### U3 — [DL-RFM95-915M](https://www.flux.ai/adrian95/dl-rfm95-915m~z5c.md) - Manufacturer Part Number: DL-RFM95-915M - Role: RF Transceiver Module - Role Details: LoRa 915MHz transceiver with SPI interface - Package: 16x16mm Module - Part Type: Module - Manufacturer Name: DreamLNK - Datasheet URL: https://lcsc.com/datasheet/lcsc_datasheet_2501031411_DreamLNK-DL-RFM95-915M_C2844473.pdf - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - 3.3V [pin 13] - ANT [pin 9] - DIO0 [pin 14] - DIO1 [pin 15] - DIO2 [pin 16] - DIO3 [pin 11] - DIO4 [pin 12] - DIO5 [pin 7] - GND [pin 10] - GND [pin 1] - GND [pin 8] - MISO [pin 2] - MOSI [pin 3] - NSS [pin 5] - RESET [pin 6] - SCK [pin 4] ### U4 — [DW01A](https://www.flux.ai/kicad-part-library/dw01a~5d.md) - Role Details: Single-cell LiPo battery protection IC - Manufacturer Name: Texas Instruments Inc. - Package or Case Code: SOT-23-6 - Package: SOT-23-6 - Manufacturer Part Number: DW01A - Role: Protection - Datasheet URL: https://hmsemi.com/downfile/DW01A.PDF **Pins:** - CS [pin 2] - GND [pin 6] - OC [pin 3] - OD [pin 1] - TD [pin 4] - VCC [pin 5] ### U5 — [MCP1825S-3302E/DB](https://www.flux.ai/adrian95/mcp1825s-3302edb~3re.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: MCP1825S-3302E/DB - Datasheet URL: https://datasheet.datasheetarchive.com/originals/distributors/SFDatasheet-4/sf-00090042.pdf - Role: Power Management - Package: SOT-23-3 - Manufacturer Name: Microchip - Part Type: Power Management - Package or Case Code: SOT230P700X180-4N - Role Details: 3.3V LDO regulator for MCU and peripherals **Pins:** - GND_(TAB)_1 [pin 2] - GND_(TAB)_2 [pin 4] - VIN [pin 1] - VOUT [pin 3] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/jakewal20/cultural-red-t-800~dv](https://www.flux.ai/jakewal20/cultural-red-t-800~dv).* --- *Generated from [https://www.flux.ai/jakewal20/cultural-red-t-800~dv](https://www.flux.ai/jakewal20/cultural-red-t-800~dv)*