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What is a LED? LED (Light Emitting Diode) is a semiconductor light source that emits light when current flows thr ...he longer leg. It is one of the most common components. Making it lights up is usually th ...e first step into physical computing but we are going to do a ...

What is a Soil Moisture Sensor? The Soil Moisture Sensor measures soil moisture grace to the changes in ...ring Wiring up the sensors is simple: Power (VCC to 5V) Ground ( ...o A0) Getting started This example turns on the built-in LED wh ...= A0; int sensorValue; int limit = 300; //300-600 is a good ra...

What is serial communication? Serial communication is a type of communication between two devices, n ...ormally between a computer and a microcontroller (such as an Ardui ...no), between computers, or between Arduinos. Se ...rial communication can be over physical c...

...een an PN532 RFID reader and an MFRC522 RFID reader The PN532 and ... MFRC522 are two popular RFID read ...er modules, each with its own featur ... Feature PN532 MFRC522 Which Better ... Communication SPI, I2C, UART ...

How to construct a robotic arm? A simple robotic arm is basically like a human arm which consists of the upper arm, lower arm and hand (gripper). There are a lot of online res ...D Workshop to laser cut the hardware. In this tutorial, we will fo ...cus on how to control the servo motor (the joint of your robotic ...

This is an informal workshop experimenting with a method of generating 3D meshes from 2D images based on the RGB colour spa ...ce and making this content viewable in low-fi VR headsets. I ha ...ve been making a piece of software using openFrameworks to explo...

We are going to make a website using something called GitHub pages to make a website. Signing up for a ...will allow you to upload your HTML, JS & CSS files online, so that you ... can access your website from anywhere. Bit of background (F ...Repositories contain code, very much just like a folder on your c...

)# What is a piezo? 'Piezo' normally refers to an electrical component which can be used to make sound, however more broadly a piezo is a component that is susceptible to th ...e two-way piezoelectric effect where pre ...ssing or squeezing the piezo element can create a small voltage, ...

...hes? Buttons and switches are a way of opening and closing a circu ...it, i.e. making and breaking a connection ...as one of the most rudimentary forms of sensor you can use with an ...tches and buttons, but at their most basic is the momentary push ...

Welcome to the Unity for Beginners Wor ...eating an interesting 3D environment. Before attending the works ...hop, you will need to complete a few tasks: Task 1 - Inst ...alling Unity Task 2 - Watch and follow the video tutoria ...ing about an interesting environment you would like to build and ...

The following list is of common suppliers, other than eBay... ...ent discount SKPang #DigitalMeans Cool Components HobbyTronics Kitroni ...k Oomlout Pimoroni Spiratronics Bright Components Components RapidStudent pricing + ...delivery over £20 RSCollect from Bow or free next day delivery ...

...wing how to use a button the normal way. Advantage of using a button t ...his way Fewer External Components No need for an external ... internal pull-up does the job. Makes circuits simpler and saves space, especially ...ng inputs, which can cause random or noisy readings. Simpler W...