# roundcount ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** skr - **Created:** 7/24/2025 - **Last Updated:** 7/26/2025 - **Visibility:** Public ## Key Components ### BT1 — [Generic Coin Cell Holder](https://www.flux.ai/jharwinbarrozo/generic-coin-cell-holder~w7c.md) - Package: 10mm_fp - Manufacturer Part Number: BS-02-A1AJ010 - Voltage: 3V - Manufacturer Name: MYOUNG - Part Type: Connector **Pins:** - NEG [pin N1] - POS [pin P2] - POS [pin P1] ### J1 — [Pin Header 01x04 2.54mm](https://www.flux.ai/vasyl/pin-header-01x04-254mm~de3.md) - Manufacturer Name: Shenzhen Kinghelm - Role: Interface - Part Type: Connector - Manufacturer Part Number: KH-2.54PH180-1X4P-L11.5 **Pins:** - Pin_1 - Pin_2 - Pin_3 - Pin_4 ### SW2 — [TS24CA](https://www.flux.ai/vasy_skral/ts24ca~ma.md) - Manufacturer Name: SHOU HAN - Manufacturer Part Number: TS24CA - Part Type: Switch - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_SHOU-HAN-TS24CA_C393942.pdf **Pins:** - P1 [pin 1] - P2 [pin 2] ### SW3 — [TS24CA](https://www.flux.ai/vasy_skral/ts24ca~ma.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1912111437_SHOU-HAN-TS24CA_C393942.pdf - Part Type: Switch - Manufacturer Part Number: TS24CA - Manufacturer Name: SHOU HAN **Pins:** - P1 [pin 1] - P2 [pin 2] ### SW4 — [MSK12C02](https://www.flux.ai/lcsc/msk12c02~7f9x.md) - LCSC Part Number: C431540 - JLCPCB Part Class: Extended Part - Manufacturer Name: SHOU HAN(首韩) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_SHOU-HAN-MSK12C02_C431540.pdf - Manufacturer Part Number: MSK12C02 - Part Type: Slide Switches - Package or Case Code: SW-TH_MSK12C02 - Product Info Url: https://lcsc.com/product-detail/Toggle-Switches_SHOU-HAN-MSK12C02_C431540.html **Pins:** - 1 [pin 1] - 2 [pin 2] - 3 [pin 3] - 4 [pin 4] ### U1 — [TM1637_4-digit 7-segment indicator_Horizontal](https://www.flux.ai/jecstronic/tm16374-digit-7-segment-indicatorhorizontal~913.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Module - Manufacturer Name: Rajguru eletronics - Manufacturer Part Number: TM1637 - Datasheet URL: https://5.imimg.com/data5/MA/OB/MY-1833510/tm1637-based-4-bits-red-digital-tube-led-display-module.pdf **Pins:** - CLK [pin 1] - DIO [pin 2] - GND [pin 4] - VCC [pin 3] ### U3 — [LSM6DSRTR](https://www.flux.ai/adrian95/lsm6dsrtr~h3z.md) - Datasheet URL: https://www.st.com/resource/en/datasheet/lsm6dsr.pdf - Manufacturer Name: STMicroelectronics - Manufacturer Part Number: LSM6DSRTR - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - CS [pin 12] - GND [pin 6] - GND [pin 7] - INT1 [pin 4] - INT2 [pin 9] - OCS_AUX [pin 10] - SCL [pin 13] - SCX [pin 3] - SDA [pin 14] - SDO_AUX [pin 11] - SDO/SA0 [pin 1] - SDX_ [pin 2] - VDD [pin 8] - VDD_IO [pin 5] ### U4 — [STM8S003F3P](https://www.flux.ai/vasy_skral/stm8s003f3p~el.md) - Part Type: Microcontroller - Manufacturer Name: STMicroelectronics - Symbol Style: Parametric - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.st.com/content/ccc/resource/technical/document/datasheet/42/5a/27/87/ac/5a/44/88/DM00024550.pdf/files/DM00024550.pdf/jcr:content/translations/en.DM00024550.pdf - Manufacturer Part Number: STM8S003F3P6 **Pins:** - NRST [pin 4] - PA1 [pin 5] - PA2 [pin 6] - PA3 [pin 10] - PB4 [pin 12] - PB5 [pin 11] - PC3 [pin 13] - PC4 [pin 14] - PC5 [pin 15] - PC6 [pin 16] - PC7 [pin 17] - PD1 [pin 18] - PD2 [pin 19] - PD3 [pin 20] - PD4 [pin 1] - PD5 [pin 2] - PD6 [pin 3] - VCAP [pin 8] - VDD [pin 9] - VSS [pin 7] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/skr/roundcount~1g](https://www.flux.ai/skr/roundcount~1g).* --- *Generated from [https://www.flux.ai/skr/roundcount~1g](https://www.flux.ai/skr/roundcount~1g)*