# why is this selectable ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** brooks-tast-2025-11-17 - **Created:** 11/25/2025 - **Last Updated:** 12/10/2025 - **Visibility:** Public - **Forks:** 1 - **Copies:** 1 ## Key Components ### BATT1 — [1070TR](https://www.flux.ai/jharwinbarrozo/1070tr~eit.md) - Datasheet URL: https://www.keyelco.com/userAssets/file/M65p5.pdf - Voltage: 3V - Manufacturer Name: Keystone Electronics - Manufacturer Part Number: 1070TR **Pins:** - - [pin 2] - + [pin 1] ### J1 — [TF-015](https://www.flux.ai/vasyl/tf-015~s40.md) - Manufacturer Name: SOFNG - Part Type: Connector - Manufacturer Part Number: TF-015 - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_2112221030_SOFNG-TF-015_C113206.pdf **Pins:** - 10 [pin 10] - 11 [pin 11] - 12 [pin 12] - 13 [pin 13] - CD [pin 9] - CD/DAT3 [pin 2] - CLX [pin 5] - CMD [pin 3] - DAT0 [pin 7] - DAT1 [pin 8] - DAT2 [pin 1] - VDD [pin 4] - VSS [pin 6] ### LED1 — [CTL1206FYW1T](https://www.flux.ai/jharwinbarrozo/ctl1206fyw1t~cql.md) - Datasheet URL: https://venkel.com/part/CTL1206FYW1T - Part Type: LED - Manufacturer Name: Venkel - Forward Voltage: 1.7V - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: CTL1206FYW1T **Pins:** - A [pin 2] - K [pin 1] ### SW1 — [Push Button](https://www.flux.ai/jharwinbarrozo/push-button~eqk.md) - Manufacturer Name: OMRON - Part Type: Switch - Datasheet URL: https://datasheet.lcsc.com/lcsc/1809271215_Omron-Electronics-B3FS-1050P_C231326.pdf - Manufacturer Part Number: B3FS-1050P **Pins:** - P1 [pin 1] - P2 [pin 3] ### U1 — [STM32G030K6T6](https://www.flux.ai/lcsc/stm32g030k6t6~a79f.md) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_STMicroelectronics-STM32G030K6T6_C529331.pdf - Operating Temperature: -40 to 85°C - Frequency: 64MHz - IC Type: Microcontroller - Package or Case Code: LQFP-32_L7.0-W7.0-P0.80-LS9.0-BL - Manufacturer Name: ST(意法半导体) - JLCPCB Part Class: Extended Part - Role Details: Main MCU for compass processing, I2C, PWM control - Operating Voltage: 2 ~ 3.6V - LCSC Part Number: C529331 - Manufacturer Part Number: STM32G030K6T6 - Product Info Url: https://lcsc.com/product-detail/ST-Microelectronics_STMicroelectronics-STM32G030K6T6_C529331.html - Role: Microcontroller - Part Type: ST Microelectronics **Pins:** - NRST [pin 6] - PA0 [pin 7] - PA1 [pin 8] - PA10 [pin 21] - PA11[PA9] [pin 22] - PA12[PA10] [pin 23] - PA13 [pin 24] - PA14-BOOT0 [pin 25] - PA15 [pin 26] - PA2 [pin 9] - PA3 [pin 10] - PA4 [pin 11] - PA5 [pin 12] - PA6 [pin 13] - PA7 [pin 14] - PA8 [pin 18] - PA9 [pin 19] - PB0 [pin 15] - PB1 [pin 16] - PB2 [pin 17] - PB3 [pin 27] - PB4 [pin 28] - PB5 [pin 29] - PB6 [pin 30] - PB7 [pin 31] - PB8 [pin 32] - PB9 [pin 1] - PC14-OSC32IN [pin 2] - PC15-OSC32OUT [pin 3] - PC6 [pin 20] - VDD/VDDA [pin 4] - VSS/VSSA [pin 5] ### U2 — [TM1637](https://www.flux.ai/lcsc/tm1637~5ebn.md) - Role Details: 7-segment display driver IC for each digit module - Role: Display Device - Package or Case Code: SOP-20_L12.8-W7.5-P1.27-LS10.4-BL - JLCPCB Part Class: Extended Part - Manufacturer Name: TM(天微) - Manufacturer Part Number: TM1637 - LCSC Part Number: C2962580 **Pins:** - CLK [pin 18] - DIO [pin 17] - GND [pin 1] - GRID1 [pin 15] - GRID2 [pin 14] - GRID3 [pin 13] - GRID4 [pin 12] - GRID5 [pin 11] - GRID6 [pin 10] - K1 [pin 19] - K2 [pin 20] - SEG1/KS1 [pin 2] - SEG2/KS2 [pin 3] - SEG3/KS3 [pin 4] - SEG4/KS4 [pin 5] - SEG5/KS5 [pin 6] - SEG6/KS6 [pin 7] - SEG7/KS7 [pin 8] - SEG8/KS8 [pin 9] - VDD [pin 16] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/brooks-tast-2025-11-17/why-is-this-selectable~47](https://www.flux.ai/brooks-tast-2025-11-17/why-is-this-selectable~47).* --- *Generated from [https://www.flux.ai/brooks-tast-2025-11-17/why-is-this-selectable~47](https://www.flux.ai/brooks-tast-2025-11-17/why-is-this-selectable~47)*