# esp8266 dht ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** ferrer - **Created:** 5/4/2025 - **Last Updated:** 5/4/2025 - **Visibility:** Public - **Stars:** 1 ## Key Components ### J1 — [OLED-Display-0.96](https://www.flux.ai/adrian95/oled-display-096~olq.md) - Part Type: Display Device **Pins:** - GND - SCK - SDA - VDD ### K1 — [KY-019](https://www.flux.ai/vasyl/ky-019~t4.md) - Manufacturer Part Number: KY-019 - Part Type: Relay Module - Manufacturer Name: Keyes SR1 - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811021933_Ningbo-Songle-Relay-SRD-05VDC-SL-C_C35449.pdf **Pins:** - COM [pin COM] - GND [pin A2] - NC [pin NC] - NO [pin NO] - Signal - VCC [pin A1] ### K2 — [KY-019](https://www.flux.ai/vasyl/ky-019~t4.md) - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811021933_Ningbo-Songle-Relay-SRD-05VDC-SL-C_C35449.pdf - Manufacturer Name: Keyes SR1 - Part Type: Relay Module - Manufacturer Part Number: KY-019 **Pins:** - COM [pin COM] - GND [pin A2] - NC [pin NC] - NO [pin NO] - Signal - VCC [pin A1] ### K3 — [KY-019](https://www.flux.ai/vasyl/ky-019~t4.md) - Part Type: Relay Module - Manufacturer Name: Keyes SR1 - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811021933_Ningbo-Songle-Relay-SRD-05VDC-SL-C_C35449.pdf - Manufacturer Part Number: KY-019 **Pins:** - COM [pin COM] - GND [pin A2] - NC [pin NC] - NO [pin NO] - Signal - VCC [pin A1] ### K4 — [KY-019](https://www.flux.ai/vasyl/ky-019~t4.md) - Manufacturer Part Number: KY-019 - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811021933_Ningbo-Songle-Relay-SRD-05VDC-SL-C_C35449.pdf - Manufacturer Name: Keyes SR1 - Part Type: Relay Module **Pins:** - COM [pin COM] - GND [pin A2] - NC [pin NC] - NO [pin NO] - Signal - VCC [pin A1] ### U1 — [DHT22-AM2302 Sensor Module](https://www.flux.ai/adrian95/dht22-am2302-sensor-module~8tv.md) - Manufacturer Part Number: DHT22-AM2302 - Manufacturer Name: Adafruit Industries - Part Type: Module - Datasheet URL: https://cdn-shop.adafruit.com/datasheets/Digital+humidity+and+temperature+sensor+AM2302.pdf - License: https://creativecommons.org/licenses/by/4.0/ **Pins:** - DATA [pin 2] - GND [pin 3] - VCC [pin 1] ### U2 — [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] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/ferrer/esp8266-dht~7z](https://www.flux.ai/ferrer/esp8266-dht~7z).* --- *Generated from [https://www.flux.ai/ferrer/esp8266-dht~7z](https://www.flux.ai/ferrer/esp8266-dht~7z)*