In this tutorial, we will learn to get Getting Epoch/Unix time with ESP8266 NodeMCU through the NTP server using Arduino IDE. In the data logger application, Epoch timestamp is useful to log values along with timestamps. Epoch time is also known as Unix epoch, Unix time, POSIX time, or Unix timestamp. To get Epoch time, we use getEpochTime() function … Read more
In this tutorial, we will learn to use the MPU-6050 Accelerometer, Gyroscope module, and how to interface it with ESP8266 NodeMCU to measure accelerometer, gyroscope, and temperature values in Arduino IDE. MPU-6050 module is used to measure acceleration, temperature, displacement, and angular velocity. It is equipped with 6-axis motion tracking sensors which are integrated inside … Read more
In this tutorial, we will learn to use the YF-S201 water flow Sensor to measure flow rate of water. Firstly, we will see an introduction of flow rate sensors that is why and where to use flow sensors. Secondly, we will discuss its pinout diagram and working. In the end, we will see how to … Read more
This getting started guide on TTGO LoRa32 SX1276 OLED module explains pinout, pin configuration, features, how to use it with Arduino and how to install its library in Arduino IDE. There is no ambiguity that the internet of things is the potential future. Different electronic companies launch various devices almost every other day in the … Read more
MPXV5004DP is a Pressure Sensor belonging to the MPxx5004 series introduced by Freescale Semiconductors. It is a monolithic silicon pressure sensor specially designed for microcontroller units with integrated analog to digital converters. A sensitive, piezoresistive pressure sensor combines a strain gauge to convert pressure to electric resistance. The sensor comes with internal temperature compensation and … Read more
We can see biometric authentication almost everywhere around us, fingerprint scanning being the most frequent one. From our smartphones to door locks to cars, fingerprint scanning is being implemented to provide security, privacy, and ease. A digital key is a perfect replacement for the ordinary keys. Recommended Components The following components are used in this … Read more
In this tutorial, we will interface DS3231 RTC Real Time Clock module with Arduino which is used to get current time. We will display RTC values on an OLED. We will build a Real Time Clock (RTC) with the help of DS3231 module, Arduino and OLED display. A real time clock is basically a digital … Read more
This topic will explore the pin configuration, interfacing with microcontroller/Arduino, features, and applications of AD8232 ECG module. The module AD8232 uses AD8232 analog IC. AD8232 IC is the main component of this ECG module. This chip performs three functions on small bi-potential signals in noisy conditions, such as extraction, amplification, and filtration. The final filtered … Read more
In this tutorial, you will learn to use SPI communication port of Arduino. As an example, we will demonstrate SPI communication between two Arduino boards. It is a 4-wired serial communication protocol. It supports single master and multi slave communication. Therefore, in this tutorial, we will configure one Arduino as a master device and other board … Read more
In this tutorial, we will perform UART or serial communication between two Arduino boards using UART software library of Arduino IDE. To debug and program Arduino using a USB port, the serial port which is known as Universal Asynchronous Receiver/Transmitter (UART) Communication is used. For most sensors and systems, the main communication method is considered … Read more