How to Use the MAX30100 as Arduino Heart Rate Sensor
The moment I got my hands on the MAX30100 breakout board, I was ready to create my own Arduino heart rate sensor But building one wasn’t as easy as I thought ...
The moment I got my hands on the MAX30100 breakout board, I was ready to create my own Arduino heart rate sensor But building one wasn’t as easy as I thought ...
Microcontrollers usually don’t have enough memory to store data like images, databases, or even large text files EEPROMs are tasked with this, but the portability of a memory...
An ultrasonic sensor like the HC-SR04 finds a lot of applications because of its low cost and ease of use ...
The SIM900A is another module from SIMCOM popularly used as a GSM shield for sending and receiving SMS I’ve already covered the SIM800L, now let’s look at the SIM900A breakout...
The MQ-3 alcohol sensor is useful for projects that tests levels of alcohol, benzine, hexane or LPG in the air but it is most popularly used as a breathalyzer (breath...
You can drive an LED on or off using a microcontroller like Arduino or PIC There’s no problem there because the 20 mA or so current from the pins is enough You can’t drive...
A thermistor is a special resistor whose resistance varies with temperature Learn how to interface a thermistor with a microcontroller in this tutorial ...
Connecting your Arduino project to the Internet is easy though WiFi and modules like the ESP8266 or a WiFi shield Another option is to ditch wireless and use an Ethernet shield...
Wireless control is much more convenient, especially at a significant distance Imagine having wires from your controller to your robot! Also, making your project portable is...
Global Positioning System (GPS) has been around since the 80's and is still one of the most important features you can add to any electronic system The idea of tracking something...