Skip to content
  • MySensors
  • OpenHardware.io
  • Categories
  • Recent
  • Tags
  • Popular
Skins
  • Light
  • Brite
  • Cerulean
  • Cosmo
  • Flatly
  • Journal
  • Litera
  • Lumen
  • Lux
  • Materia
  • Minty
  • Morph
  • Pulse
  • Sandstone
  • Simplex
  • Sketchy
  • Spacelab
  • United
  • Yeti
  • Zephyr
  • Dark
  • Cyborg
  • Darkly
  • Quartz
  • Slate
  • Solar
  • Superhero
  • Vapor

  • Default (No Skin)
  • No Skin
Collapse
Brand Logo
  1. Home
  2. Troubleshooting
  3. Wiring plain DHT22 chip

Wiring plain DHT22 chip

Scheduled Pinned Locked Moved Troubleshooting
4 Posts 2 Posters 1.3k Views 1 Watching
  • Oldest to Newest
  • Newest to Oldest
  • Most Votes
Reply
  • Reply as topic
Log in to reply
This topic has been deleted. Only users with topic management privileges can see it.
  • solaS Offline
    solaS Offline
    sola
    wrote on last edited by
    #1

    Hi All,

    As a MySensors noob, I ordered a standalone DHT22 chip (4 pin) instead of a module (3-pin) - didn't notice the difference.

    I found a wiring diagram on the Adafruit site (https://learn.adafruit.com/dht/connecting-to-a-dhtxx-sensor) which seems to use a plain DHT chip like myself.

    Is this wiring OK for the Mysensors library? Will it read the sensor the same way as from a module?

    Any help is appreciated.

    sundberg84S 1 Reply Last reply
    0
    • solaS sola

      Hi All,

      As a MySensors noob, I ordered a standalone DHT22 chip (4 pin) instead of a module (3-pin) - didn't notice the difference.

      I found a wiring diagram on the Adafruit site (https://learn.adafruit.com/dht/connecting-to-a-dhtxx-sensor) which seems to use a plain DHT chip like myself.

      Is this wiring OK for the Mysensors library? Will it read the sensor the same way as from a module?

      Any help is appreciated.

      sundberg84S Offline
      sundberg84S Offline
      sundberg84
      Hardware Contributor
      wrote on last edited by sundberg84
      #2

      @Andras-Soltesz - Hi and welcome Andras!
      No problem, wire the DHT like the link and use the Mysensors sketch (https://www.mysensors.org/build/humidity) and everything will work out fine!

      Just note that data input on the arduino uses D2 on the adafruit link but standard defined is D3 for MySensors.

      Controller: Proxmox VM - Home Assistant
      MySensors GW: Arduino Uno - W5100 Ethernet, Gw Shield Nrf24l01+ 2,4Ghz
      MySensors GW: Arduino Uno - Gw Shield RFM69, 433mhz
      RFLink GW - Arduino Mega + RFLink Shield, 433mhz

      1 Reply Last reply
      1
      • solaS Offline
        solaS Offline
        sola
        wrote on last edited by
        #3

        Thanks, I will try it out.

        1 Reply Last reply
        1
        • solaS Offline
          solaS Offline
          sola
          wrote on last edited by
          #4

          It works, many thanks.

          I used a 4K7 resistor as pull-up and it seems to be enough.

          1 Reply Last reply
          1
          Reply
          • Reply as topic
          Log in to reply
          • Oldest to Newest
          • Newest to Oldest
          • Most Votes


          21

          Online

          11.7k

          Users

          11.2k

          Topics

          113.1k

          Posts


          Copyright 2025 TBD   |   Forum Guidelines   |   Privacy Policy   |   Terms of Service
          • Login

          • Don't have an account? Register

          • Login or register to search.
          • First post
            Last post
          0
          • MySensors
          • OpenHardware.io
          • Categories
          • Recent
          • Tags
          • Popular