Wemos D1 MINI + DHT22 + Relay + Thingspeak - simple project

Create the program that performs the actions below, with the hardware mentioned below:

- Read the temperature and humidity every 5 minutes

- Post reading on thingspeak (wia wifi)

- Activate relay if the temperature is above 22 degrees celcius (only to deactivate when the temperature is lower than 22 degrees)

Using the hardware for operation:

- Wemos D1 Mini Module with Wifi and Esp8266 Esp-12e Nodemcu

- Dht22 Temperature Sensor Humidity

- Relay Module 1 Channel 5v

Skills: Arduino, C Programming, Electrical Engineering, Electronics, Microcontroller

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About the Employer:
( 0 reviews ) Brazil

Project ID: #16323296

Awarded to:


Hello. I'm an embedded systems expert with extensive experience with the ESP8266 WiFi SoC. I have also used the Thingspeak API for several IoT projects. I can efficiently execute your project. Contact me to discuss det More

R$95 BRL in 1 day
(11 Reviews)

10 freelancers are bidding on average R$151 for this job


Hi! Consider this job done, I've already done this work and I have excellent skills in ESP8266 and Arduino IDE, you can check my weather station here [login to view URL] it uses thingSpeak, and i send More

R$90 BRL in 1 day
(36 Reviews)

Hi There I have checked your project description and understand everything. I am very confident that i can do this project perfectly. Thanks

R$95 BRL in 1 day
(34 Reviews)
R$300 BRL in 1 day
(12 Reviews)

I an embedded system electronics engineer and have worked on home automation projects. please consider sending me a message so that we can discuss further

R$300 BRL in 4 days
(13 Reviews)

How r u?Bro,,Its me Imad,,,I did this project already under the name weather station. We Have done 200+PROJECTS REGARDING MATLAB, ARDUINO, VB.NET, PHP, HTML, PCB DESIGNING and much more. Some of the projects are as fo More

R$60 BRL in 1 day
(8 Reviews)

I have a working solution for your problem. For that amount of money I will help you program the mcu(with teamviewer), connect the sensor and the relay, set the logic and upload the data to thingspeak. On top of that I More

R$222 BRL in 1 day
(1 Review)
R$75 BRL in 10 days
(1 Review)
R$166 BRL in 1 day
(0 Reviews)

Hi, I will build this system using Arduino ESP Core as per the specifications. I am an expert at Arduino and Esp8266, and an experienced product developer, specialising in IoT and Connected Devices. I have develope More

R$105 BRL in 2 days
(0 Reviews)