How to Use a Microphone with Arduino
How can an Arduino capture sound Just like how your computer captures sound: through a microphone In this Arduino microphone tutorial, we’ll look at how a sound sensor works...
How can an Arduino capture sound Just like how your computer captures sound: through a microphone In this Arduino microphone tutorial, we’ll look at how a sound sensor works...
The classic parallel LCD sometimes poses a problem for projects that use a lot of Arduino pins The least amount of pins you can use is six, excluding the power pins and the...
The BMP085 is a relatively cheap barometric pressure sensor from Bosch I believe this sensor is kinda old (no information about this device is found on the Bosch site) and yet...
Using RFID cards and tags is a cool way to switch on anything, wirelessly For example, you can create an e-lock for your room, check meeting attendance or use cards to control...
Vibrations can be an indicator that trouble is coming It can be your machine going haywire, a gear on a robot missing teeth, or worse, a looming earthquake! In this vibration...
We have managed to blink an LED and use interrupts and timers with the PIC16F84A Sadly, that’s almost all we can do with that microcontroller as it lacks features that most...
A relay is commonly used to interface a low-current circuit to a higher-current circuit As such, it’s very useful in controlling appliances and other mains-powered devices using...
The MQ-7 carbon monoxide gas sensor is especially designed to be sensitive to carbon monoxide (CO) gas which is emitted by vehicles, factories, etc Since this gas is considered...
A fire or flame sensor is simply an infrared LED with an amplifier circuit Flame radiates an infrared signal, which triggers the LED to produce current This current is converted...
The Raspberry Pi Zero W comes with both WiFi and Bluetooth connectivity I have already covered how to turn on WiFi on my previous tutorial Now, let’s look at how to set up a...