About GSM Module The GSM module that we are going to use here is SIM800L. It is compact and highly efficient as compared to other GSM modules. This…
What is ADC? ADC stands for Analog to Digital Converter. ADC is used for converting the analog input voltage to its digital form. It is necessary for every…
About NodeMCU NodeMCU stands for Node Microcontroller Unit. It is an open-source Lua-based firmware that is designed for IoT(Internet of Things) applications. The module that runs this firmware…
About this project This project is all about how to create an automatic hand sanitizer using an Ultrasonic sensor and Arduino. You have already seen a lot many…
What is an RGB LED? The RGB LED is a type of LED that can produce three main colors that are RED, GREEN, and BLUE. In other words,…
What is a Blue Pill board? Unlike, the famous Arduino UNO board, the Blue Pill is a high-performance ARM Cortex-M3 32-bit microcontroller development board that works at a…
