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Inexpensive mains power control

Iain Brew 3 months ago in Tips and Tricks • updated by Aleksandr Romanov (CTO) 3 months ago 1

Hello

Just a note that I have been trying to track down an easy way to control a mains power point in my iRidium project. There are professional PDU units available with TCP, UDP and HTTP control but they can be quite expensive. Recently, I picked up a TP-Link HS100 smart switch ($50 at JB HiFi in Australia) These are available worldwide. This is originally designed to only work with the manufacturers software, but I found a way to control this with a custom driver in iRidium:

Create a Custom TCP driver with:

IP: address of smart switch on your wifi network

Port: 9999

No login/password required. 

For commands, use the following:

ON

00 00 00 2a d0 f2 81 f8 8b ff 9a f7 d5 ef 94 b6 c5 a0 d4 8b f9 9c f0 91 e8 b7 c4 b0 d1 a5 c0 e2 d8 a3 81 f2 86 e7 93 f6 d4 ee df a2 df a2

OFF

00 00 00 2a d0 f2 81 f8 8b ff 9a f7 d5 ef 94 b6 c5 a0 d4 8b f9 9c f0 91 e8 b7 c4 b0 d1 a5 c0 e2 d8 a3 81 f2 86 e7 93 f6 d4 ee de a3 de a3

I am working on also retrieving the status of the switch so that you can receive feedback. 

This could be a cheap, simple and handy way to integrate mains control into your project i.e. fan, coffee machine, pool pump, Christmas lights etc.