# Photodetector relay board ## Project Details - **Owner:** gpvillamil - **Created:** 7/23/2020 - **Last Updated:** 2/22/2021 - **Visibility:** Public ## Key Components ### 100k ohm resistor — [Fixed Resistor](https://www.flux.ai/lwcassid/fixed-resistor~nf.md) - Resistance: 500Ω **Pins:** - P1 - P2 ### ESP8266 — [Nodemcu-12E ESP8266](https://www.flux.ai/jharwinbarrozo/nodemcu-12e-esp8266~5t.md) **Pins:** - 3V3 - 3V3 - 3V3 - A0 - CLK - CMD - D0 - D1 - D2 - D3 - D4 - D5 - D6 - D7 - D8 - EN - GND - GND - GND - GND - RST - RSV - RSV - RX - SD0 - SD1 - SD2 - SD3 - TX - Vin ### IF-D92 — Fiber Optic Phototransistor **Pins:** - Collector - Emitter ### IF-D92 — Fiber Optic Phototransistor **Pins:** - Collector - Emitter ### IF-D92 — Fiber Optic Phototransistor **Pins:** - Collector - Emitter ### IF-D92 — Fiber Optic Phototransistor **Pins:** - Collector - Emitter ### Multiplexer — [16-Channel Analog Multiplexer](https://www.flux.ai/jharwinbarrozo/16-channel-analog-multiplexer~5mw.md) **Pins:** - C0 - C1 - C10 - C11 - C12 - C13 - C14 - C15 - C2 - C3 - C4 - C5 - C6 - C7 - C8 - C9 - EN - GND - S0 - S1 - S2 - S3 - SIG - VCC *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/gpvillamil/photodetector-relay-board~y5](https://www.flux.ai/gpvillamil/photodetector-relay-board~y5).* --- *Generated from [https://www.flux.ai/gpvillamil/photodetector-relay-board~y5](https://www.flux.ai/gpvillamil/photodetector-relay-board~y5)*