# Folco Pulse ## Description Consumer battery powered distance sensor node with LoraWAN, digital distance sensing and a ultra low power switch. ## Project Details - **Owner:** trevorhanus - **Created:** 8/15/2026 - **Last Updated:** 8/15/2026 - **Visibility:** Public - **Power Requirements:** Battery - **Domain:** Consumer IoT - **Operating Voltage:** 3.3V ## Key Components ### IC1 — [TPL5110DDCR](https://www.flux.ai/vasyl/tpl5110ddcr~mdt.md) - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Ftpl5110 - Manufacturer Part Number: TPL5110DDCR - Part Type: Integrated Circuit - Manufacturer Name: Texas Instruments **Pins:** - DELAY/M_DRV [pin 3] - DONE [pin 4] - DRV [pin 5] - EN/ONE_SHOT [pin 6] - GND [pin 2] - VDD [pin 1] ### J1 — [CR1225 Battery Retainer Coin](https://www.flux.ai/vasy_skral/cr1225-battery-retainer-coin~xm5.md) - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - NEG [pin N1] - POS [pin P2] - POS [pin P1] ### Q1 — [WST4041](https://www.flux.ai/jecstronic/wst4041~mmb.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Winsok Semicon - Datasheet URL: https://www.lcsc.com/datasheet/lcsc_datasheet_1811012118_Winsok-Semicon-WST4041_C148357.pdf - Part Type: Transistor - Manufacturer Part Number: WST4041 **Pins:** - D [pin 3] - G [pin 1] - S [pin 2] ### U1 — [VL53L4CD](https://www.flux.ai/vasy_skral/vl53l4cd~5s.md) - Part Type: Integrated Circuit - Manufacturer Part Number: VL53L4CDV0DH/1 - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.st.com/resource/en/datasheet/vl53l4cd.pdf - Manufacturer Name: STMicroelectronics **Pins:** - AVDD [pin 11] - AVDDVCSEL [pin 1] - AVSSVCSEL [pin 2] - DNC [pin 8] - GND [pin 3] - GND [pin 12] - GND [pin 4] - GND [pin 6] - GPIO1 [pin 7] - SCL [pin 10] - SDA [pin 9] - XSHUT [pin 5] ### U2 — [RAK3172-8-SM-NI](https://www.flux.ai/jecstronic/rak3172-8-sm-ni~we.md) - Manufacturer Name: RAKwireless Technology Limited - Datasheet URL: https://alphamicro.net/wp-content/uploads/2023/06/RAK3172-Datasheet_20230411.pdf - Part Type: RF Module - Manufacturer Part Number: RAK3172-8-SM-NI - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - BOOT0 [pin 21] - GND [pin 11] - GND [pin 18] - GND [pin 28] - GND [pin 23] - GND [pin 17] - PA0 [pin 29] - PA1 [pin 6] - PA10/ADC4 [pin 25] - PA11/I2C_SDA [pin 10] - PA12/I2C_SCL [pin 9] - PA13/SWDIO [pin 7] - PA14/SWCLK [pin 8] - PA15/ADC5 [pin 3] - PA2/UART2_TX [pin 2] - PA3/UART2_RX [pin 1] - PA4/SPI1_NSS [pin 16] - PA5/SPI1_CLK [pin 15] - PA6/SPI1_MISO [pin 14] - PA7/SPI1_MOSI [pin 13] - PA8 [pin 19] - PA9 [pin 20] - PB12 [pin 27] - PB2/AD3 [pin 26] - PB3/ADC1 [pin 32] - PB4/ADC2 [pin 31] - PB5 [pin 30] - PB6/UART1_TX [pin 4] - PB7/UART1_RX [pin 5] - RF [pin 12] - RST [pin 22] - VDD [pin 24] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/trevorhanus/folco-pulse~qf](https://www.flux.ai/trevorhanus/folco-pulse~qf).* --- *Generated from [https://www.flux.ai/trevorhanus/folco-pulse~qf](https://www.flux.ai/trevorhanus/folco-pulse~qf)*