# Grieving Amaranth P.K.E. Meter ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** data2k8 - **Created:** 5/25/2025 - **Last Updated:** 5/25/2025 - **Visibility:** Public ## Key Components ### M1 — [DC Motor](https://www.flux.ai/rzae/dc-motor.md) **Pins:** - - [pin 2] - + [pin 1] - P1 [pin 1] - P2 [pin 2] ### M2 — [DC Motor](https://www.flux.ai/rzae/dc-motor.md) **Pins:** - - [pin 2] - + [pin 1] - P1 [pin 1] - P2 [pin 2] ### U1 — [Nodemcu-12E ESP8266](https://www.flux.ai/jharwinbarrozo/nodemcu-12e-esp8266.md) - Datasheet URL: https://components101.com/development-boards/nodemcu-esp8266-pinout-features-and-datasheet - Manufacturer Part Number: Nodemcu-12E ESP8266 - Part Type: Microcontroller **Pins:** - 3V3 [pin 25] - 3V3 [pin 11] - 3V3 [pin 16] - A0 [pin 1] - CMD GPIO11 [pin 7] - D0 GPIO16 [pin 30] - D1 GPIO5 SCL [pin 29] - D2 GPIO4 SDA [pin 28] - D3 GPIO0 [pin 27] - D4 GPIO2 [pin 26] - D5 GPIO14 [pin 23] - D6 GPIO12 [pin 22] - D7 GPIO13 [pin 21] - D8 GPIO15 [pin 20] - EN [pin 12] - GND [pin 24] - GND [pin 10] - GND [pin 14] - GND [pin 17] - RST [pin 13] - RSV1 [pin 2] - RSV2 [pin 3] - RX GPIO3 [pin 19] - SCLK GPIO6 [pin 9] - SD0 GPIO7 MISO [pin 8] - SD1 GPIO8 MOSI [pin 6] - SD2 GPIO10 [pin 4] - SD2 GPIO9 [pin 5] - TX GPIO1 [pin 18] - VIN [pin 15] ### U2 — [CD74HC4067M](https://www.flux.ai/kicad-part-library/cd74hc4067m.md) - Manufacturer Part Number: CD74HC4067M - Manufacturer Name: Texas Instruments Inc. - Datasheet URL: http://www.ti.com/lit/ds/symlink/cd74hc4067.pdf - Package or Case Code: SOIC-24W_7.5x15.4mm_P1.27mm **Pins:** - ~{E} [pin 15] - COM [pin 1] - GND [pin 12] - I0 [pin 9] - I1 [pin 8] - I10 [pin 21] - I11 [pin 20] - I12 [pin 19] - I13 [pin 18] - I14 [pin 17] - I15 [pin 16] - I2 [pin 7] - I3 [pin 6] - I4 [pin 5] - I5 [pin 4] - I6 [pin 3] - I7 [pin 2] - I8 [pin 23] - I9 [pin 22] - S0 [pin 10] - S1 [pin 11] - S2 [pin 14] - S3 [pin 13] - VCC [pin 24] ### U3 — [CD74HC4067M](https://www.flux.ai/kicad-part-library/cd74hc4067m.md) - Manufacturer Part Number: CD74HC4067M - Package or Case Code: SOIC-24W_7.5x15.4mm_P1.27mm - Datasheet URL: http://www.ti.com/lit/ds/symlink/cd74hc4067.pdf - Manufacturer Name: Texas Instruments Inc. **Pins:** - ~{E} [pin 15] - COM [pin 1] - GND [pin 12] - I0 [pin 9] - I1 [pin 8] - I10 [pin 21] - I11 [pin 20] - I12 [pin 19] - I13 [pin 18] - I14 [pin 17] - I15 [pin 16] - I2 [pin 7] - I3 [pin 6] - I4 [pin 5] - I5 [pin 4] - I6 [pin 3] - I7 [pin 2] - I8 [pin 23] - I9 [pin 22] - S0 [pin 10] - S1 [pin 11] - S2 [pin 14] - S3 [pin 13] - VCC [pin 24] ### U4 — [DHT11](https://www.flux.ai/vasy_skral/dht11.md) - Manufacturer Part Number: DHT11 - License: https://creativecommons.org/licenses/by/4.0/ - Symbol Style: Parametric - Manufacturer Name: Adafruit Industries LLC - Datasheet URL: https://cdn-learn.adafruit.com/downloads/pdf/dht.pdf - Part Type: Integrated Circuit **Pins:** - GND [pin 4] - IO [pin 2] - NC [pin 3] - VCC [pin 1] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/data2k8/grieving-amaranth-ppkpep-meter](https://www.flux.ai/data2k8/grieving-amaranth-ppkpep-meter).* --- *Generated from [https://www.flux.ai/data2k8/grieving-amaranth-ppkpep-meter](https://www.flux.ai/data2k8/grieving-amaranth-ppkpep-meter)*