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Using a Rotary Encoder with Arduino

Using a Rotary Encoder with Arduino

by | 2 Oct 2020 | Tutorials

The rotary encoder is a rotation sensor whose direction and angle can be known. Similar in appearance to the potentiometer, the encoder has no limit stroke and instead of returning a resistance value, like the potentiometer, the encoder returns two digital signals...
Create a web interface to control your NodeMCU ESP32

Create a web interface to control your NodeMCU ESP32

by | 2 Oct 2020 | Tutorials

The NodeMCU ESP32 is a microcontroller with integrated Wifi and Bluetooth modules. Very easy to use, it is lightweight and has a memory and computing capacity greater than that of the Arduino. This makes it an ideal board for learning programming, developing connected...
Using the millis() function of the Arduino IDE

Using the millis() function of the Arduino IDE

by | 2 Oct 2020 | Tutorials

A possible solution to the problems generated by using the delay() function is to use the millis() function. From the first use of the Arduino, the delay() function is used to manage instructions as a function of time. The major problem with the delay() function is...
Create a web interface with NodeMCU ESP8266

Create a web interface with NodeMCU ESP8266

by | 1 Oct 2020 | Tutorials

The NodeMCU ESP8266 is a microcontroller with an integrated Wifi module. Very easy to use, it is lightweight and has a memory and computing capacity greater than the Arduino. Ideal for your connected projects.The basics of IoT is to connect objects to a network such...
Using the Arduino Motor Shield

Using the Arduino Motor Shield

by | 27 Sep 2020 | Tutorials

The official Arduino Motor Shield is an expansion board for the Arduino UNO and Mega microcontrollers for DC and stepper motor control. We have seen how to drive a DC motor using an H-bridge which can require a lot of wiring when using the IC simply. For an embedded...
Serial communication between Raspberry Pi and Arduino

Serial communication between Raspberry Pi and Arduino

by | 27 Sep 2020 | Tutorials

In some projects it may be interesting to establish a serial communication between Raspberry Pi and Arduino. This makes it possible to couple the computing power and wireless interfaces of the Raspberry Pi with the inputs/outputs and the Arduino collection of modules....
Using a PCA9685 module with Raspberry Pi

Using a PCA9685 module with Raspberry Pi

by | 27 Sep 2020 | Tutorials

The PCA9685 module is a 16-channel controller that can control 16 PWM outputs via I2C communication. Among other things, it allows you to free up inputs and outputs of your microcontroller and drive up to 16 LEDs or servomotors (or any other module taking a PWM signal...
Using a PCA9685 module with Arduino

Using a PCA9685 module with Arduino

by | 9 Aug 2020 | Tutorials

The PCA9685 module is a 16-channel controller that can control 16 PWM outputs via I2C communication. It allows, among other things, to free inputs and outputs of your microcontroller and to drive up to 16 LEDs or servomotors (or any other module taking a PWM signal as...
Summary on the if statement in C

Summary on the if statement in C

by | 8 Aug 2020 | Tutorials

The if statement is the basic conditional structure and is found in all programming languages. It allows you to execute different blocks of code according to a condition. It is the basis of many algorithms and allows a computer to make a choice based on the data sent...
Porgram a STM32 with the Arduino IDE

Porgram a STM32 with the Arduino IDE

by | 8 Aug 2020 | Tutorials

A large number of microcontrollers such as the STM32 can be programmed with the Arduino IDE. Arduino boards are powerful and very convenient for learning and projects, with an extremely large support community. However, there are other microcontrollers (e.g. NodeMCU,...