DIY Octopus with SCD30 and Nodemcu V2 from on …

KeeYees 3pcs ESP8266 ESP12E Development Board WiFi WLAN Wireless Module CP2102 for NodeMCU for ESP12E for Arduino. out of 5 stars. 1,081. 14. . 99. Get it as soon as Fri, Nov 5. FREE Shipping on orders over 25 shipped by Amazon.


MLX90614 NonContact IR Temperature Sensor Pinout, Datasheet, …

31/3/2020· MLX90614 Pinout. The MLX90614 is a Contactless Infrared (IR) Digital Temperature Sensor that can be used to measure the temperature of a particular object ranging from 70° C to °C. The sensor uses IR rays to measure the temperature of the object without any physical contact and communicates to the microcontroller using the I2C protocol.


IoTBased Air Pollution Monitoring System

sensor is used for monitoring Air Quality as it detects most harmful gases and can measure their amount accurately. In this IOT project, it can monitor the pollution level from anywhere using your computer or mobile. This system can be installed some level, like ...


ESP32 DevKitC Pinout, Overview, Features Datasheet

19/10/2020· The pin and the button resets the microcontroller. Used to measure analog voltage in the range of Totally 39 GPIO pins, can be used as input or output pins. 0V (low) and (high). But pins 34 to 39 can be used as input only. These 18 GPIO pins can be used to wake up the ESP32 from deep sleep mode.


CO2 Measuring Device for Determining Air Quality (Covid19) …

An ESP8266 with a CO2 sensor measure the indoor air quality and remind to ventilate the room, useful IoTWiFidevice, corona at school CO2 Measuring Device for Determining Air Quality (Covid19) An ESP8266 with a CO2 sensor measure the indoor air ...


DHT11 Sensor Pinout, Features, Equivalents Datasheet

16/7/2021· The DHT11 Sensor is factory calibrated and outputs serial data and hence it is highly easy to set it up. The connection diagram for this sensor is shown below. As you can see the data pin is connected to an I/O pin of the MCU and a 5K pullup resistor is used. This data pin outputs the value of both temperature and humidity as serial data.


DIY NodeMCU Development Board Share Project PCBWay

21/11/2021· DIY NodeMCU Development Board. If you have ever programmed a NodeMCU, then I bet you know the pain you have to go through while connecting sensors to NodeMCU on a breadboard. I looked for various solution on the web and found "NodeMCU Development Boards" for around 6 to 7. Well, I wasn''t ready to spend that much for a simple projects.


nodemcu · GitHub Topics · GitHub

28/10/2020· Sensor de Temperatura NodeMcu MQTT mqtt arduino nodemcu Updated Jul 26, 2020 C++ TechHacksCompetitive / QuickDraw Star 0 Code Issues Pull requests Have yourself a high noon standoff right in your own home! nodemcu Updated Aug 16 ...



The COVID19 Detect Protect Challenge

The COVID19 Detect and Protect Challenge is an opportunity to find and apply the best and brightest of humanity, wherever it may be found. The deadline for entries is June 30th and will be extended only if necessary. Qualified submissions will be fully shared and open throughout the contest. Project teams are welcomed and not limited to any ...


Guide for DS18B20 Temperature Sensor with Arduino | Random …

2/7/2019· Each DS18B20 temperature sensor has a unique 64bit serial code. This allows you to wire multiple sensors to the same data wire. So, you can get temperature from multiple sensors using just one Arduino digital pin. The DS18B20 temperature sensor is also ...


Top IOT Projects 2021 IOT Ideas and Topics | NevonProjects

Nevon Projects brings you a list of most innovative IOT Projects an internet of things ideas. IOT stands or internet of things viz hardware devices interacting over the internet. This is done using either ESP8266 and NodeMcu which are frequently used to develop a ...


IoT Based Patient Health Monitoring using ESP8266 Arduino

11/6/2019· For designing IoT Based Patient Health Monitoring System using ESP8266 Arduino, assemble the circuit as shown in the figure below. Connect Pulse Sensor output pin to A0 of Arduino and other two pins to VCC GND. Connect LM35 Temperature Sensor output pin to A1 of Arduino and other two pins to VCC GND. Connect the LED to Digital Pin 7 of ...


IoT Based Patient Monitoring System using ESP8266 and Arduino …

20/9/2018· Here in this project, we will make an IoT based Health Monitoring System which records the patient heart beat rate and body temperature and also send an email/SMS alert whenever those readings goes beyond critical values.