What is MQTT and How MQTT Works?
MQTT is a lightweight messaging protocol for IoT device communication. This tutorial explains the MQTT protocol and how the MQTT protocol works? We will start with the introduction of this …
FreeRTOS Arduino : How to Delete Tasks with vTaskDelete() API
In real-time operating systems, multitasking is achieved by dividing each application into useful tasks. But not all tasks execute throughout the execution of the program. Some tasks are more important …
How to use FreeRTOS structure Queue to Receive Data from Multiple Tasks
This tutorial is about how to use FreeRTOS structured queue to receive data from multiple resources. In the last tutorial, we have learned to use message queues with FreeRTOS API …
Arduino FreeRTOS Queue Management – How to use Queues
In the last tutorial, we have seen the tasks management process of FreeRTOS with Arduino Uno. But today, we will learn how to create Queues using FreeRTOS API. In the …
BH1750 Ambient Light Sensor Interfacing with Arduino
In this tutorial, we will learn how to interface BH1750 light sensor with Arduino Uno. Have you ever wondered how your mobile phone screen automatically adjusts its screen light? If …
VL53L0X LIDAR Distance Sensor Interfacing with Arduino
VL53L0X is a LIDAR based sensor which measures the distance between an object and a sensor. It measures distance up to 2m. This laser ranging sensor operates in a range …
HMC5883L 3-Axis Compass Module Interfacing with Arduino
HMC5883L is a magnetometer module developed by Honeywell using anisotropic magnetoresistive technology. It is a multichip module that behaves as a digital compass IC to find the direction and measures …
TEENSY 3.6 development board
The TEENSY 3.6 development board consists of a 32-bit ARM Cortex M4 programmable microcontroller. It is Arduino compatible having 180MHZ processor along with a floating-point unit. It has a bootloader …
LT3750 Capacitor Charge Controller IC
LT3750 is a flyback converter which can charge capacitors of any size. This chip uses a patented boundary mode control scheme. This scheme reduces the size of the transformer integrated …
OP07 Ultra-low offset Voltage Op-Amp IC
OP07 is a precision operational amplifier IC consisting of a single operational amplifier inside a chip. The OP07 operational amplifier has a slew rate is the rate of 0.3-V/μs. It …