DIY smart home from scratch - smart window opener

preface After finishing the intelligent watering machine, I always have a mysterious longing for this scene that can save time and energy (lazy people are like this). This time, I am going to make a device that can automatically open the window. Combined with the previous formaldehyde detection sensor, I can automatically open the window for v ...

Posted by Bill Dew on Fri, 22 Oct 2021 12:36:33 +0200

2 Arduino various modules-3 (NRF24L01 2.4G wireless module unidirectional and bidirectional transmission)

6. 2.4G wireless module (NRF24L01) explain: Use 1.9-3.6v power supply, typical power supply is 3.3v NRF24L01   The 2.4G wireless module is divided into two parts and implemented using two different libraries. NRF24L01 has six channels on the hardware, and each terminal can occupy one channel. Therefore, nRF24L01 can realize one-to-fiv ...

Posted by StathisG on Thu, 30 Sep 2021 03:11:32 +0200

Arduino development TFT_eSPI Library Learning

TFT_eSPI Library Learning TFT_eSPI library is an Arduino library that drives LCD screens through SPI, and supports one click download of platform ide. The screen development of Arduino mode development is convenient and stable. At the same time, the underlying driver interface developed by lvgl GUI also uses TFT_ API for ESPI library. ...

Posted by samdennis on Fri, 24 Sep 2021 15:11:00 +0200