Do I need a soldering iron for Arduino?
An Arduino is an embedded development board that is great for projects of all shapes and sizes. It is an…
Will the light on a toggle switch drain the battery?
A toggle switch is a type of electronic and electrical switch which has a lever that you ‘toggle’ between two…
Why is a variable resistor used in a circuit?
The variable resistor is a versatile and commonly used component in many electrical and electronic circuits. It has the capability…
Is an LDR an input or output?
Detecting changes in light levels is required in many applications. There are many different types of sensors that help us…
Where are light sensors used
Just like we have five senses to make sense of the world, electronic sensors help us in many ways in…
Are resistors polarized?
Electronic components come in many different sizes, materials, and functionality. Some components are also distinguished by whether they are polarised…
How to dispose of LED light bulbs?
One of the greatest inventions in history has been the light bulb thanks to Thomas Edison. The light bulb enabled…
Why a microcontroller is used in an embedded system
Think of the human body as an embedded system. It has inputs in the form of our 5 senses (Sight,…
What happens when a Microcontroller is powered up?
The common terminology for the process when a microcontroller is powered up is called the ‘boot process’. You might be…
Where are thermistors used?
A Thermistor is an electronic component which allows us to monitor the temperature. This ability to monitor the temperature sees…