# Relevant Turquoise P.K.E. Meter ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** rewilfredo - **Created:** 6/18/2025 - **Last Updated:** 6/18/2025 - **Visibility:** Public - **Stars:** 1 ## Key Components ### M1 — [DC Motor](https://www.flux.ai/vasyl/dc-motor~ku.md) **Pins:** - - - + ### PS1 — [LM2596 DC-DC buck converter](https://www.flux.ai/vasy_skral/lm2596-dc-dc-buck-converter~2q1.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Integrated Circuit **Pins:** - IN - [pin 2] - IN + [pin 1] - OUT - [pin 3] - OUT + [pin 4] ### Q1 — [IRFZ44NSTRLPBF](https://www.flux.ai/vasyl/irfz44nstrlpbf~49.md) - Manufacturer Part Number: IRFZ44NSTRLPBF - Part Type: Transistor - Manufacturer Name: Infineon Technologies - Datasheet URL: https://www.infineon.com/dgdl/irfz44nspbf.pdf?fileId=5546d462533600a40153563b43a5220f - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - DRAIN [pin 2] - GATE [pin 1] - SOURCE [pin 3] ### U1 — [Nodemcu-12E ESP8266](https://www.flux.ai/jharwinbarrozo/nodemcu-12e-esp8266~5t.md) - Manufacturer Part Number: Nodemcu-12E ESP8266 - Datasheet URL: https://components101.com/development-boards/nodemcu-esp8266-pinout-features-and-datasheet - 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 — [RC522 RFID](https://www.flux.ai/jecstronic/rc522-rfid~dc6.md) - Part Type: Module - Manufacturer Part Number: RC522 - Manufacturer Name: Handson Technology - Datasheet URL: http://www.handsontec.com/dataspecs/RC522.pdf - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - GND [pin 3] - IRQ [pin 4] - MISO/SCL/Tx [pin 5] - MOSI [pin 6] - RST [pin 2] - SCK [pin 7] - SS/SDA/Rx [pin 8] - VCC [pin 1] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/rewilfredo/relevant-turquoise-ppkpep-meter~9t](https://www.flux.ai/rewilfredo/relevant-turquoise-ppkpep-meter~9t).* --- *Generated from [https://www.flux.ai/rewilfredo/relevant-turquoise-ppkpep-meter~9t](https://www.flux.ai/rewilfredo/relevant-turquoise-ppkpep-meter~9t)*