In this article, "The cow teaches you DIY smart home temperature and humidity (Figure)" "DIY: Niu people teach you homemade smart home gateway"
Finally came our actual combat article! In the first two sections, we introduced how to set up a gateway and remotely view the temperature and humidity of the home. In this issue, we come to the DIY smart switch, so that we can control the state of the switch at any time to remotely control various appliances.
This time we will use the RBoard development board as a controller, adhere to our consistently the most convenient and convenient style, like wiring, friends who recognize the pin can drift.
Here are the main accessories we need to use this time:
Other accessories are: Mini USB cable X1, 9V~12V/1A power adapter X1
Plug the nRF24L01+ module into the corresponding interface on the RBoard development board, then connect the FOCA to the programming port, switch to 3.3V (very important), and connect the Mini USB cable to the computer.
as the picture shows:
RBoard is a mega328 chip-based integrated development board with four optocoupler isolation relays. It supports AC power within 250V/10A and DC power within 30V/10A. This test takes a single-channel electrical appliance as an example. Friends who need to control multiple electrical appliances can easily add it.
The hardware is set up very quickly, followed by the driver and firmware.
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