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"Hello, World!" in Node.js
...erminal or Command Prompt) And type the following: $ node -v Do ...not type the `$`. This just tells you th ...lling again. Install other software (optional) We recommend inst ...es or other word processing software, which don't count as simple ...
How to use a relay module
... It is handy when the thing you want to control requires higher po ... In this tutorial, I will use a water pump and a 1-channel 5V rela ...as different models providing 1/2/4/6/8 channel(s). An 8-channel ... 1 channel relay to control one water pump. Labels on a Relay Modu...
How to send files to Raspberry Pi using SSH
...cp, rsync, or SFTP) Install software, run Python scripts, update y ...es tab, enable SSH Reboot afterwards, sudo reboot Option 2: If You’re Using Pi Headless P ...mething that looks like this: 192.168.1.42, th2, this is your pi's IP address ... pi@<raspberry_pi_ip>:/home/pi/ 2. To Send a Whole Folder scp -r ...
How to use an Electromagnet
...t? The Grove Electromagnet is a type of magnetic actuator that becom ...ck GND to GND Yellow SIG to PIN 2 Getting started The following ...m. const int electromagnetPin = 2; // Electromagnet connected to ... digital pin 2 void setup() { pinMode(elect...
(MAC) Automatic printing with Automator
... programming knowledge or don't want to do a lot of coding. One of ...ator" in Spotlight and launch. 2. Folder Action You will see thi ...ter Choose the folder where you want to put all your printing file ...and choose the printer that you want to use as the default printer...
Using a Sparkfun MP3 Trigger
...fun electronics that provides a way to play MP3 files from a Micro ...You must us a micro SDSC (up to 2GB) card, or a SDHC (up to 32GB) card formatted in FAT16 or F ...AT32. After inserting the card you m ...uino. EXT: means power via the 2.1mm connector to the left of th...
Using Quixel Materials
...p the Quixel Bridge window. 2) Adding Materials Quixel contai ...lenging to find exactly what we want. It is important to think abo ...ce you find a material that you want to use, select it, download i ...hese values to get the size you want on your project. After chang...
AR with Unity - Step #2 - Unity project setup
...use Vuforia to create different types of Augmented Reality projects, ...g-in (already included in Unity 2019.2.0f1) is a quite straight forward process, first, let's create ...ect settings panel, the easiest way to do it is by opening the bui ...time, Unity will ask you if you want to include a default database...
How to make Animation on NeoMatrix with Processing
...8x8 Adafruit NeoMatrix. Wiring WarningIf you have a bigger matrix ... +5V to 5V GND to GND Library WarningDownload version 1.9.0 or b ... The Arrangement There are two types, Progressive and Zigzag. Progr ...rial(this, Serial.list()[1], 115200); // Change baud rate if need...
How to control Arduino without using delay()
...LED on for 1 second and off for 2 seconds using the FireTimer lib ... // 1 second when LED is ON, 2 seconds when LED is OFF if ... } else { ledTimer.begin(2000); // LED is OFF for 2 seconds } } } Multiple ...tors, like giving each person a watch and ask them to action based...
What is a Raspberry Pi Pico?
...the Raspberry Pi Foundation. It was announced in January 2021 and represents a departure fro ...Raspberry Pi. The Pico includes 26 programmable general-purpose i ...co WH have on-board single-band 2.4GHz wireless interfaces. Set ...to the Pico, you can choose the types that you prefer. Choose a prog...
Raspberry Pi Image: Video Looper
...rry Pi Video Looper is a simple way to display seamless looping vi ...with all boards up to" column. 2. Using Raspberry Pi Imager Ra ... most videos encoded with the H.264 video codec and in a video format with an extension like .avi, .mov, .mkv, .mp4, ...
UE Foliage
...for the Megascans. The pack we want to import is called the Megas ... which trees/bushes/grasses you want to use by clicking the +Folia ... As you can see, I have added 4 types of trees to my selection and t .... However, if you feel like you want to add more assets to fill ou...
Touch sensor - with No Sensor!
... tutorial, we will show you two types of Capacitive Touch Sensing: a ...curacy without ANY external hardware. CapacitiveSensor library wil ... smoothing float multiplier = 1.2; // determine when the sensor i ...ng 10M ohm resistor between pin2 and pin4 1 wire to pin2 to tinf...
Making Breathing Light with LEDs
...nd we can give the value from 0-255 using this function. analog ...ns somthing off) analogWrite(127) means a signal of 50% duty cy ....g. dimmed light) analogWrite(255) means a signal of 100% duty ...iring is simple, there are just 2 wires and a resistor. LED shor...
How to control Raspberry Pi Pico via Wifi
...ome a ubiquitous and convenient way for people to access the inter ...or Command Prompt (Windows) and type in ipconfig getifaddr en1 Get ...l, something like ip = 10.3.15.120 open up a web browser go to h ...ssid, password) html = """<!DOCTYPE html> <html> <head> <title>...
Creating a Landscape
...m which we create our scene. 2) Change the editor to Landscape ... modes of the editor. We will want to change two important setti ...k. This is not necessary if you want to make small adjustments. After clicking once to paint our landscape with No...
Using MatrixPortal M4 for animation
...n animation to display on a 64x32 matrix. CircuitPython and libr ...sing CircuitPython 9.0.5 (11/10/2024), all libraries and code used ... bitmap spitesheet. If you just want to test the code, you can dow ...to set the canvas size to 64 x 32 px Draw whatever you want Add ...
How to use a Rotary Encoder Button
... rotary encoders rotate all the way around continuously and are di ...vided up into 24 'segments'. Each segment has a ...o open and close. Wiring Top 2 Pins: one pin to D4 one pin to ... middle pin to GND Left Pin to D2 Library EncoderStepCounter ...
Using a TCS34725 RGB Color Sensor
What is the TCS34725 RGB Color Sensor? The TCS3472 sensor provides a digital retur ...our Arduino projects. What is I2C? The TCS34725 has an I2C interface (SDA and SCL) that c ... be used to interrupt Arduino. I2C stands for Inter-Integrated Ci ...ices for serial communication. I2C Communication Protocol uses on...