Connecting to PADI via SPI

Daniil Zhuk
Modern microcontrollers and single-chip systems have many interfaces for communicating with peripheral devices. One of them, the easiest to implement - SPI or Serial Peripheral Interface - allows you to transfer data in two directions simultaneously over a single clock signal, that is, it is full-duplex.

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Connection to PADI via I2C interface

Daniil Zhuk
The I2C interface, Inter-Integrated Circuit, was developed by Philips to connect devices within a single device. Now it is used everywhere for "communication" of the microcontroller and the periphery or equally equivalent controllers due to the small number of wires (2 in total) and relatively high speeds.

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📡 Connect to PADI via Wi-Fi. Sending data via MQTT

Daniil Zhuk
After analyzing the work with the most popular interface and PADI I / O ports, it is time to move on to the most complex and interesting - the integrated Wi-Fi wireless module.

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Arduino and Bluetooth modules HC-05/06

Daniil Zhuk
Bluetooth is one of the most common short-range wireless communication protocols for personal electronic devices. It uses various input and control devices, audio devices.

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NRF24L01 - Connection to Arduino

Daniil Zhuk
Many of you have probably heard about the remote control when everything is controlled at a great distance with a couple of simple taps. Pressed a button on the remote - and the light came on or your favorite robot clung to your feet.

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📩 Sending e-mails from nodemcu

Daniil Zhuk1 comment
In this tutorial, I will tell you how to send emails with nodemcu. For this, you need a nodemcu or esp32 or another board with an esp module.

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