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
Temperature Sensors are used in almost every other device. They are one of the fundamental components required in nearly every industry known to us. It is quite popular among hobbyists and consumer products. LM35 is a temperature sensor introduced by Texas Instruments. It works by producing an analog signal with respect to the temperature at … Read more
INA219 is a shunt Current Sensor module introduced by the Texas instruments. It is a Zero-Drift, Bidirectional, Power Monitor module that monitors shunt voltage, Bus voltage, current, and power. It has an integrated 12C or SMBus-compatible interface to communicate data to the microcontrollers. The chip has an analog-to-digital converter with a high resolution of 12-bit … 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
AD9850 DDS Signal Generator Module is one of the small, low-cost boards to generate analog signals. This integrated board can be controlled through a microcontroller and can be digitally programmed using Direct Digital Synthesis Technology (DSS). AD9850 DDS Signal Generator Module is equipped with an AD9850 IC, a powerful Oscillator of 125MHz, and a DSS … 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, 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
In this article, we will see how to measure ac voltage using Arduino. This same project can also be used for AC voltage peak detection that is an AC voltage detector circuit using Arduino Uno. Firstly, we will see a difference amplifier method to design a voltage sensor using an operational amplifier. In the end, … Read more