This was posted 3 years 2 months 26 days ago, and might be an out-dated deal.

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Xiaomi Mijia Bluetooth Temperature Humidity Sensor 3 Pack US$8.99 (~A$12.20) Delivered @ Banggood

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Xiaomi Mijia Bluetooth Temperature Humidity Sensor 3 Pack US$8.99 (~A$12.20) Delivered @ BanggoodAffiliate
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skido on 08/09/2021 - 19:26 banggood.com (5884 clicks)
Last edited 09/09/2021 - 14:13 by 1 other user
BG0bf44f
This post contains affiliate links. OzBargain might earn commissions when you click through and make purchases. Please see this page for more information.

UPDATE: Original coupon code for 1200 redemptions has been exhausted. However, I’ve found another code for only ~$1.31 more than the original deal.

Final price is US$9.99 (~A$13.51) delivered. Still a great deal imo.

Apply coupon code BG6c0f0d at checkout

This 3 pack was popular previously, now it's ~$8.27 cheaper. Works out to be ~$4.07 each, which is quite cheap considering they are $27.95 each at Mi Store.

Features:

  • Wireless Temperature and humidity meter
  • Detects air changes
  • Connects to intelligent devices via Mi Home app
  • Notifications in child mode
  • Minimum energy consumption
  • High-precision sensor
  • Lightweight and compact

To get price in title:

Apply the coupon BG0bf44f at checkout

Title price includes GST and shipping, excludes shipping insurance. AUD based on current mastercard conversion rates.

Other related sales from Banggood:

Referral Links

Referral: random (142)

Referee gets $2 in coupons. Referrer gets 10% off (if referee spends over US$10)

Electrical & Electronics Hygrometer Thermometer Xiaomi

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closed Comments

  • Bargainated on 08/09/2021 - 19:35

    Does this tell the time also or is it only for temperature/humidity?

    • AnKu on 08/09/2021 - 19:37

      It's just for temperature and humidity

    • gimli on 08/09/2021 - 19:51
      +2

      i was on the watch for that too

    • skido on 08/09/2021 - 20:00
      +6

      not this model, however, there is a larger pro model which includes the time and can be mounted on wall, fridge or table (includes sticker, magnets and stand).

      If interested, final price is US$15.50 (~A$20.96) after discount. use coupon code: BG874e4a

    • Chchnu on 08/09/2021 - 20:42
      -5

      Its a thermometer not a clock lmao

    • Lord Fart Bucket on 08/09/2021 - 20:49
      +11

      There is custom firmware that allows you to put in the time, if I recall.

      • pencilhead on 09/09/2021 - 12:34

        No, Sorry - custom firmware allows for direct Home Assistant integration without xiomii app. Has a couple of extra features like BT signal strength, but no clock functions.

  • Spendmore on 08/09/2021 - 19:42

    Will this work with Google home?

    • gimli on 08/09/2021 - 19:53

      Curious too.
      Looking at previous post I don't think it easily works with google

    • PurchaseAnxiety on 08/09/2021 - 19:53

      Probably not if it only has Bluetooth, though I could be wrong.

    • AH on 08/09/2021 - 20:07
      +11

      Gotta set it up with home assistant which acts as a Bluetooth gateway

      • Spendmore on 08/09/2021 - 20:10

        Great, thanks.

      • shezx on 08/09/2021 - 22:31

        didnt know HA could act as a BT gateway, is there anything it cant do :) im gonna get myself an esp 32!

    • joshau on 08/09/2021 - 21:32
      +5

      With custom firmware, a BT gateway, and Home Assistant - works great!

      • superforever on 08/09/2021 - 21:36

        Without BT gateway OK?

        • pencilhead on 09/09/2021 - 12:42
          +3

          HA needs bluetooth to talk to these. I'm running it on debian vmware image with a bluetooth dongle. The sensors need to be hacked to either get encryption string so xiomii app can be bypassed or replace firmware.

          Instructions here:
          https://github.com/atc1441/ATC_MiThermometer

          • superforever on 09/09/2021 - 12:47

            @pencilhead: I read that from last deal but is it still need a gateway or just phone is OK?

            https://www.ozbargain.com.au/node/644132#comment-10878702

            • joshau on 09/09/2021 - 16:16

              @superforever: You'll need a gateway. I'm not aware of any gateway apps that can run on your phone and interface with Home Assistant, but you wouldn't want to do that anyway, as you'd need to leave your phone on with the app open 24/7, which seems pretty wasteful.

              BT Gateways for Home Assistant are dirt cheap. If you have a Pi running Home Assistant already, then just buy a $5 BT dongle. Otherwise, there are a few off the shelf options from Tuya and Xiaomi that can work (although I've never tried those). If you're down for flashing some firmware onto a device, grab a NodeMCU ESP32 (preferably without pins soldered) and flash ESPHome onto it. This will set you back about $10 total.

  • Ehty on 08/09/2021 - 19:43
    -1

    What all items are covered in the coupon code

  • netbies on 08/09/2021 - 19:46
    +2

    it is charging 1.00 for delivery.

    • gimli on 08/09/2021 - 19:54
      +4

      It uses a cr2032 battery so no charging

      • iDroid on 08/09/2021 - 20:53
        +3

        Ouch… cr2032 + bluetooth sounds like lots of battery replacing…

        • Underlord on 08/09/2021 - 22:25
          +1

          Mine lasted for about a year

        • neonlight on 08/09/2021 - 23:13
          +6

          Yeah the only reason I don't want one. Button batteries no thanks

          • mini_wombat on 09/09/2021 - 11:20

            @neonlight: I miss the AAA version of this. Have a few in the house but can't find them anymore at a reasonable price.

    • skido on 08/09/2021 - 19:55
      +1

      Title price includes GST and shipping

      final price is US$8.99 at checkout, after unticking shipping insurance 😁

  • ajh on 08/09/2021 - 19:47
    +1

    Not letting me input the coupon code is it no longer valid?

    • [Deactivated] on 08/09/2021 - 20:37

      Just ordered without any issue, try a different browser?

  • L0zBargain on 08/09/2021 - 19:47
    +1

    Nice OP!

    Shame I just bought 4 for $22.48 just the other week 😐

    • ryf on 08/09/2021 - 22:01
      +3

      If you buy these, your initial cost per unit goes down overall! Buy more to feel better!

      • L0zBargain on 09/09/2021 - 16:08

        I was tempted 🤣

  • Owl on 08/09/2021 - 19:48

    Thanks OP, have been holding out for a deal on these.

  • DoUKnowTheMuffinMan on 08/09/2021 - 19:49
    +4

    Humidity reading is not as accurate as it say, I had it sitting in an industrial controlled humidity cabinet and was it was off 6-8%

    • askbargain on 08/09/2021 - 19:51
      +6

      Which one isn't accurate hmmm

      • DoUKnowTheMuffinMan on 08/09/2021 - 19:51

        I wonder….

        • OzBrogains on 08/09/2021 - 20:05
          +10

          Sounds like you have a call to make with the industrial humidity capital tech support team tomorrow.

      • Mokr on 08/09/2021 - 21:19

        Dip it in water

  • superforever on 08/09/2021 - 19:58
    +2

    Is it the same one that can put custom firmware?

    Seems from the previous deal they are the same.

  • Buyingcrap on 08/09/2021 - 19:59
    +3

    Purchased. Now what do I do with them?

    • mckayver on 08/09/2021 - 20:09
      +3

      See how quickly one goes to 100% humidity by dunking it in water. Lol

  • tukun001 on 08/09/2021 - 20:00
    -3

    Hey OP, Do you have a coupon for BlitzWolf® BW-BH3 bluetooth V5.1 Earphone? Thanks

  • mousie on 08/09/2021 - 20:01
    +4

    Moist deal thank you

  • PorkHunt on 08/09/2021 - 20:02
    +3

    I find that these require battery replacement more frequently than expected for a device like this.

    • Spendmore on 08/09/2021 - 20:26
      +2

      How often?

      • Jeffu on 09/09/2021 - 19:06
        +2

        I've got a similar Xiaomi e-ink temp/humidity sensor and have found the same result. Changed the 2032 batteries maybe 2-4 times a year. Sorry I couldn't be more precise but was surprised it needed to be changed that often for an e-ink display. Sometimes I could squeeze more battery life by taking it out, cleaning the battery contact surfaces and putting it back in.

    • placard on 08/09/2021 - 20:54

      That was my concern.

    • ChadHominem on 08/09/2021 - 22:56
      +4

      It’s a significant cost for a porkhunt

    • kehuehue on 09/09/2021 - 09:15
      +1

      been using one for about a year now. i tried updating the firmware yesterday and it gave me a notification that it couldnt because the battery was low.

      The round version however, I have replaced the AAA battery atleast twice.

  • wildweasel on 08/09/2021 - 20:04
    +4

    Thanks got one. btw what is this used for?

    • [Deactivated] on 08/09/2021 - 20:05
      +14

      lets you change the temperature and humidity in a room via bluetooth. good way to save electricity.

      • conant on 08/09/2021 - 20:07
        +1

        Then what is ac used for?

        • RockyRaccoon on 08/09/2021 - 20:10
          +2

          Running your toaster (ala AC/DC)

        • [Deactivated] on 08/09/2021 - 20:27
          +9

          conditioning the air. (after you shampoo the air)

      • Westpac on 08/09/2021 - 20:44

        Thanks but this may be a stupid question, but how would you control the temperature with this device?

        • cyssero on 08/09/2021 - 21:51
          +4

          Combined with a IR blaster than can turn or off air-conditioning based on inputs from this. Some units can do this all in one, but this could be combined with existing devices.

    • Mokr on 08/09/2021 - 21:20

      Humidity bad

    • Drzueso on 09/09/2021 - 08:00

      You can also mine Bitcoin with custom firmware

    • kehuehue on 09/09/2021 - 09:17

      used it for when my son was born to monitor room temperatures

      now using it just for fun to see temps and also the temps in my room when my pc is mining, heating and drying up the room

  • Kaz0551 on 08/09/2021 - 20:07
    +2

    I have 80% remaining after 6 months

    • ChadHominem on 08/09/2021 - 20:20

      Battery?

      • Kaz0551 on 08/09/2021 - 20:25
        +2

        It was meant to be a reply to

        PorkHunt 23 min ago

        I find that these require battery replacement more frequently than expected for a device like this.

      • ripprind on 08/09/2021 - 20:54
        +7

        Humidity

  • HolyFosh on 08/09/2021 - 20:09

    Does this work without connecting them to a Smart Phone?

    • RockyRaccoon on 08/09/2021 - 20:12
      +1

      I would guess thats why it has an LCD display, unless you know thats just fake

    • wenbin on 08/09/2021 - 20:13

      Yes.

  • Jammar on 08/09/2021 - 20:11

    It was 2.75 for 3 2 days ago

    • ChadHominem on 08/09/2021 - 20:19

      !!!

    • WesthamAreMassive on 08/09/2021 - 20:21
      +10

      Thanks for the heads up, now time to wait for an offer on a time machine.

    • superforever on 08/09/2021 - 20:23
      +2

      Post deal?

    • Clear on 08/09/2021 - 21:21

      That was a snap up with extremely limited pcs available. As part of the BG anniversary sale.

  • justtoreply on 08/09/2021 - 20:22

    CR2032 = No buy.

    • superforever on 08/09/2021 - 20:22
      +1

      Why?

      • justtoreply on 08/09/2021 - 20:24
        +4

        There's a false sense of economy here because CR2032 increase long term cost and are wasteful.

        If it was AAA/AA, you could use rechargeable batteries.

        Theres really no excuse to use anything but AAA / AA by design. This device doesn't need to save more space.

        • team teri on 08/09/2021 - 20:39
          +5

          Yes, my main problem is that CR2032 don't like cold. I have a sensor inside my freezer and batteries barely lasted 2 months.
          This was the solution:
          https://www.aliexpress.com/item/33007901258.html
          The eneloop I'm using to power it has been going for about 1 year now without need to recharge.

          • justtoreply on 08/09/2021 - 21:05
            +1

            @team teri: Sorry, could you explain that device and how you rigged it up? Being able to use AAA instead of cr2032 in various devices would be good to know

            • Jackson on 08/09/2021 - 22:26
              +2

              @justtoreply: It's steps your voltage up from 1.3v to 3v so that a single eneloop can provide the right voltage for the sensor. Alternatively you could use 2 eneloop and put them in series instead, that's probably what I would have done as I didn't know you could get these

              • SeVeN11 on 08/09/2021 - 22:52

                @Jackson: You can just use a LifePo4 battery.
                nominal voltage 3.3V, fully charged voltage of 3.6V.

                • Jackson on 08/09/2021 - 23:47

                  @SeVeN11: Wash your mouth out with soap for suggesting anything other than eneloop!

                  I guess they have the advantage of being a bit more ubiquitous and in batteries and chargers, but yes if you already have a nitecore you may be better off, as long as it does have some of the issues that the button cell lithium have in the freezer

          • snapper on 08/09/2021 - 22:08

            @team teri: This looks pretty good - so it takes any input voltage from 0.7-3V and outputs 3V? Did you get the one "with needle" or "without needle"?

            • team teri on 08/09/2021 - 23:46
              +1

              @snapper: I got it from a different seller who no longer has the item. Looks identical though. 'with needle' just seems to mean that the header pins are soldered on. Up to you what's easier for you, just make sure you get the 3V version if you want to replace a CR2032.

              I had considered 2 Eneloops in series, but they quickly drop to 1.3V each and I wasn't sure 2.6V would work, CR2032 don't drop far before the battery percentage is getting low.

              • snapper on 10/09/2021 - 17:05

                @team teri: Thanks for the info. So do you have just 1 Eneloop connected to the voltage converter? AAA or AA? Does it last longer than a CR2032? TIA

                • team teri on 10/09/2021 - 17:55
                  +1

                  @snapper: 1 AA. I'm using it with one of the Xiaomi ZigBee temperature sensors. Usually CR2032 last well over a year in identical sensors elsewhere in the house, but not in the freezer. 2-3 months max. The Eneloop AA has been going for almost a year now without recharge. There are different voltage converter boards, important for this application: low quiescent current. The one I linked looks like the better one of the 2 I tried.

                  • Borg on 10/09/2021 - 22:39

                    @team teri: I question whether it is really worth using a rechargeable if they last a year before requiring a recharge.
                    I tend to use standard batteries for low energy devices like these, clocks, remotes, smoke alarms etc. It just seems a waste using a rechargeable on those.

                    • team teri on 10/09/2021 - 22:41
                      +2

                      @Borg: Regular batteries don't cope with cold very well, Enelopps do.

                      • Borg on 10/09/2021 - 23:16

                        @team teri: Ah ha, now I understand what you were saying. That's good to know and I learn something new every day. Thanks.

  • ComputerPC on 08/09/2021 - 20:23

    can this connect to home assistant ?

    • Kaz0551 on 08/09/2021 - 20:26
      +2

      Yes, ble monitor on hacs

      • ComputerPC on 08/09/2021 - 20:27

        I am very new to the home assistant, do you know if I need to buy additional hardware to connect this to the home assistant

        • [Deactivated] on 08/09/2021 - 20:55
          +1

          what are you running HA on? you'll need bluetooth.

        • ryf on 08/09/2021 - 22:05
          +1

          I've just started using HA and have got these connected to it. I believe you can connect them straight to HA, but I think you need to know the Mac address and unique token to connect. You can get this info if you have the mijia gateway (some versions of mijia aren't compatible with HA so check). I'm sure someone out there knows how to get the Mac and token without a gateway

          • [Deactivated] on 09/09/2021 - 05:40

            @ryf: "straight to ha" ? i'm running it in a virtual machine without bluetooth how do i do that?

            • Borg on 09/09/2021 - 09:27

              @[Deactivated]: Stick a Bluetooth card or USB dongle into the PC and passthrough to the VM would be my guess. Yet to test myself when they arrive.

        • pencilhead on 09/09/2021 - 12:48

          Your HA device needs bluetooth.
          You'll need to generate encryption key or replace firmware on sensor for HA integration:
          https://github.com/atc1441/ATC_MiThermometer

    • superforever on 08/09/2021 - 20:27
      +1

      From previous deal

      https://www.ozbargain.com.au/comment/10878702/redir

  • superforever on 08/09/2021 - 20:32
    +2

    Ordered, will play it as a toy with custom firmware as mentioned in last deal.

    https://www.ozbargain.com.au/comment/10878702/redir

  • team teri on 08/09/2021 - 20:34
    +2

    What's the range, say I'd want to connect it to a Raspberry Pi 4 that runs Home Assistant?

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