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Picture of World's Smallest IoT Project

IoT has been trending since long in the field of electronics and communications. Many projects, products are daily made under IoT. Even I made several projects under this topic. But this is the limit of how the IoT project can be shrinked in size without compromising it’s ability to work. This time I’m presenting you the smallest project of mine or the smallest project ever made in IoT field. There may be products which are way more smaller than my project, but I bet an IoT project can’t be smaller than the one which I have made. This is the simplest IoT project, IoT button with rechargeable battery having dimension of

  • 4 x 2 x 1 cm

So let’s see how to make this.And their is also a surprise giveaway in the end.

Read the whole Instructable.

Step 1: Things required

  1. ESP8266 01 module - http://amzn.to/2jjOGRT
  2. 200 mAh LiPo battery
  3. TP4056 battery charging module - http://amzn.to/2kh9CIZ
  4. a push button
I have a bolt iot kit. the programming will be different for it. so how can I send SMS using bolt.
D6equj52 years ago
hi, what is the ip 192.168.4.1 used for? and where is it in the code?
thanks
D6equj52 years ago
I am making this although my ESP8266 looks a lot different to yours. However I'm sure it will work out just fine.
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D6equj52 years ago
Nice instructable, thank you for sharing.