Using DHT22 Temperature and humidity sensor with TM1637 seven segment display

[@WaqarAhmed-bs5cw]

Your explanation are excellent 👍

[@omoivo6525]

Best Channel !

[@robojax]

Thank you for your subscription and sharing this video.

[@goochelaarmagicjimmy4432]

perfect

[@robojax]

Forget about this display, here is tue best display kzbin.info/www/bejne/qnbaiKaYfbZ0a7M I will make videos for this display

[@goochelaarmagicjimmy4432]

@@robojax i don't have this board. It's not posible withthe M1637 to see temperature on the wemos d1?

[@raticalinc_restore_garage]

Is there an industrial coolant sensor, oil pressure and vacuum sensor that I can use?

[@robojax]

so many important sensors. Unfortunately I have not see any of these.

[@danilom3166]

Thank you!

[@robojax]

you are welcome.

[@UpSpider]

Is not possible to show temperature and humidity alternatively with this setup? Amazing video, by the way. Thank you for sharing.

[@robojax]

sure it is possible. Everything that is inside the loop, just repeat them but change the getTemp("c")to getTemp("h")

[@coroomchannel414]

How to display numbers with commas? For example 27.30.

[@robojax]

forget about this module. see better display kzbin.info/www/bejne/mXvUnougereqobM

[@coroomchannel414]

@@robojax How to display 3 temperature numbers on seven segment?

[@listrikb6885]

How to use the temperature setting with a mini push button?

[@robojax]

this is sensor, you can't set the temperature. I did not understand.

[@listrikb6885]

@@robojax I mean push button limits the readout at a certain temperature to command the relay on

[@listrikb6885]

@@robojax do you know climate temperature controller like Temptron from Agrologic? Like that's how it works

[@ismamalanas6047]

Plz make temparature and humidity controler

[@robojax]

This is the module and I have done over 10 videos. You should find it.

[@cbparks6155]

@@robojax HI. Thank you for the great information. I have the same question and cannot find your video for this. Would you mind providing some suggestions on how to modify your arduino, DHT, TM1637 code so that both temperature and humidity are sequentially displayed? I am trying to generate a temperature reading for about 6 seconds and then the humidity reading for 3 seconds with a repeating loop of the readings. If you have already made this video would you mind providing the URL? Really appreciate any ideas. Thank you.

[@bartekd3577]

How to display 26,2C ?? With dht22??

[@robojax]

I just checked the datasheet www.sparkfun.com/datasheets/Sensors/Temperature/DHT22.pdf and accuracy is ±0.5°C so you will not be able to get 0.2°C. Also I mentioned that you can't display decimal point on this module. it has too much hassle. I've prepared code to display decimal values shown in this video kzbin.info/www/bejne/oV7JZ5-trLqHd9U you may look at.

[@bartekd3577]

@@robojax I'd like to make a weather station. 4 digit 7 segment display tm1637. + dht22. I want to display the temperature with 1 decimal place. do you have ready code and schematic?

[@robojax]

search my channel.

[@listrikb6885]

How to bring up 4 numbers and decimal?

[@robojax]

with this module, you can't. you can use this kzbin.info/www/bejne/oV7JZ5-trLqHd9U

[@MrQuanticox]

How to solve the problem with negative values? (for example temperature below 0C)

[@robojax]

This module is Good for 0-50°C temperature readings ±2°C accuracy

[@MrQuanticox]

@@robojax Hi, thx for replay. Finally I've solved this problem. Now TM1637 works also with negative values. As sensor I've LM35. I'm n00b so this may not be perfect but I will share my work: void loop() { delay(TEST_DELAY);// wait // **** TM1637 code start display.setBrightness(0);// set brightness uint8_t data[] = { 0x0, 0x0, 0x0, 0x0 };// clear display values display.setSegments(data);//clear display // **** TM1637 code end int val;// define variable int temp;// define variable val = analogRead(1); // read the analog value of the sensor and assign it to val temp = (125 * val) >> 8; // temperature calculation formula Serial.println(temp); if (temp > 0) { uint8_t data[] = {0x0, 0x0, 0x0, 0x58}; //Celsius sign display.setSegments(data); display.showNumberDec(temp, false, 2, 1); } else { uint8_t data[] = {0x40, 0x0, 0x0, 0x58}; //minus and Celsius sign display.setSegments(data); temp = -temp; //converting negative value to positive display.showNumberDec(temp, false, 2, 1); } delay(5000);// wait

[@omoivo6525]

i Need dht22 with LCD and Relay. Please

[@robojax]

the code link is at the description. Here once again the link: goo.gl/696b39 You can use this relay video to connect it to relay: kzbin.info/www/bejne/a2m7iIl6o6dqidU I will try to create a video for this with relay and display.

[@omoivo6525]

RoboJax Videos Thanx

[@budibahtiar7840]

pls make ultrasonic sensor with 7segment or led matrix please :(

[@robojax]

The video is here and you posted comment on that video, kzbin.info_T5GaY

[@goochelaarmagicjimmy4432]

Hi, if i use arduino uno it's work perfect..now i wanne upload for wemos D1 and it dont work:-( D:\Users\jimmy\Documents\Arduino ieuwe ieuwe.ino: In function 'float getTemp(String)': nieuwe:122:5: error: return-statement with no value, in function returning 'float' [-fpermissive] return; ^ exit status 1 return-statement with no value, in function returning 'float' [-fpermissive]

[@goochelaarmagicjimmy4432]

i find already, can upload to wemos d1 and ad code to see in the Blynk app, thanks for youre example

[@rahulng8627]

1st