# Fantastic Azure P.K.E. Meter ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** cassie - **Created:** 10/16/2023 - **Last Updated:** 10/18/2023 - **Visibility:** Public ## Key Components ### ESP1 — [ESP32-DEVKITC](https://www.flux.ai/vasy_skral/esp32-devkitc.md) - Manufacturer Part Number: ESP32-DEVKITC - Part Type: Development Boards - Manufacturer Name: Espressif Systems - Datasheet URL: http://espressif.com/sites/default/files/documentation/esp32_datasheet_en.pdf **Pins:** - 3V3 [pin 1] - CLK [pin 20] - CMD [pin 18] - EN [pin 2] - EXT_5V [pin 19] - GND1 [pin 14] - GND2 [pin 32] - GND3 [pin 38] - IO0 [pin 25] - IO12 [pin 13] - IO13 [pin 15] - IO14 [pin 12] - IO15 [pin 23] - IO16 [pin 27] - IO17 [pin 28] - IO18 [pin 30] - IO19 [pin 31] - IO2 [pin 24] - IO21 [pin 33] - IO22 [pin 36] - IO23 [pin 37] - IO25 [pin 9] - IO26 [pin 10] - IO27 [pin 11] - IO32 [pin 7] - IO33 [pin 8] - IO34 [pin 5] - IO35 [pin 6] - IO4 [pin 26] - IO5 [pin 29] - RXD0 [pin 34] - SD0 [pin 21] - SD1 [pin 22] - SD2 [pin 16] - SD3 [pin 17] - SENSOR_VN [pin 4] - SENSOR_VP [pin 3] - TXD0 [pin 35] ### U1 — [A4988_STEPPER_MOTOR](https://www.flux.ai/jecstronic/a4988steppermotor.md) - Part Type: module - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: A4988_STEPPER_MOTOR_DRIVER_CARRIER **Pins:** - ~ENABLE [pin 1] - ~RESET [pin 5] - ~SLEEP [pin 6] - 1A [pin 12] - 1B [pin 11] - 2A [pin 13] - 2B [pin 14] - DIR [pin 8] - GND [pin 9] - GND [pin 15] - MS1 [pin 2] - MS2 [pin 3] - MS3 [pin 4] - STEP [pin 7] - VDD [pin 10] - VMOT [pin 16] ### U2 — [A4988_STEPPER_MOTOR](https://www.flux.ai/jecstronic/a4988steppermotor.md) - Manufacturer Part Number: A4988_STEPPER_MOTOR_DRIVER_CARRIER - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: module **Pins:** - ~ENABLE [pin 1] - ~RESET [pin 5] - ~SLEEP [pin 6] - 1A [pin 12] - 1B [pin 11] - 2A [pin 13] - 2B [pin 14] - DIR [pin 8] - GND [pin 9] - GND [pin 15] - MS1 [pin 2] - MS2 [pin 3] - MS3 [pin 4] - STEP [pin 7] - VDD [pin 10] - VMOT [pin 16] ### US1 — [HC-SR04](https://www.flux.ai/vasy_skral/hc-sr04.md) - Datasheet URL: https://cdn.sparkfun.com/datasheets/Sensors/Proximity/HCSR04.pdf - Part Type: Sensor - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: HC-SR04 **Pins:** - ECHO [pin 3] - GND [pin 4] - TRIG [pin 2] - VCC [pin 1] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/cassie/fantastic-azure-ppkpep-meter](https://www.flux.ai/cassie/fantastic-azure-ppkpep-meter).* --- *Generated from [https://www.flux.ai/cassie/fantastic-azure-ppkpep-meter](https://www.flux.ai/cassie/fantastic-azure-ppkpep-meter)*