April 2018


Measuring Temperature and Humidity using DHT22 and Sending data via SMS using SIM800C module

Overview This project measures the temperature and humidity of the surroundings using the DHT22 sensor. Also, the gathered data is then sent to the user's mobile phone using the SIM800C GSM module. SIM800C is a type of module that uses GSM to communicate. GSM, or Global System for Mobile Communications, is the most popular cell phone standard in the world.
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Motion Detector using PIR Module

Overview A passive infrared (PIR) sensor is a type of sensor that detects movement using infrared radiation. Typically, a PIR sensor is used for home automation, motion detection, and many more. In this project, the PIR sensor is used for motion detection, and a light-emitting diode is used as an

Running Message using 8×8 LED Matrix MAX7219 driver

Overview Visual cues ,e.g. hand signals,  are a time-tested communication schemes that help humanity survive throughout the history. It provides a simple, quick, yet understandable common ground for communication. Light-emitting Diodes (LEDs) are  typical electronic elements to demonstrate a visual cue, such as indicating a device's ON or OFF states.