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How to use DFPlayer mini to play MP3
... Arduino UNO or any other with RX/TX capabilities. Know More Wiring ...ng up the sensor is quite complex, the pins are not labelled so y ...Mini Wiring VCC to 5V (Power) RX to D2 via 1K resistor TX to D3 SPK_1 to Speaker(+) red w ...ention! If you are using Mac OS X to copy the mp3, the file syste...
How to connect a Push Button with Digital Input Pull-Up resistor
... how to use a button the normal way. Advantage of using a button t ...his way Fewer External Components No need for a ...n external resistor—the internal pul ... pull-up enabled Serial.begin(9600); } void loop() { int buttonState = digitalRead(2); ...
How to power the Raspberry Pi Pico
...e Raspberry Pi Pico The easiest way to power a Pico is through the ...rate how to power a Pico with a 9V battery or 3 AA batteries. Ras ...Pi Pico's Power Need VSYS (PIN 39): Pin for main system input vol ...or that provides a stable and fixed output voltage of +5 volts. I...
Using a HC-SR04 distance sensor
... the sound takes to come back, exactly like bats use to fly in th ...if the ping sound is reflected away from the sensor by an a diverg ...GND to GND) Echo to digital pin 12 Trigger to digital pin 13 Get ...o install a library here. This example turns on an LED when the d...
Using an MFRC522 RFID reader
...FID system to open a door. For example, only the person with the ...h each identification and a two-way radio transmitter-receiver as ...igital 11 (MOSI) MISO - Digital 12 (MISO) IRQ (unconnected) GND - ...GND (Ground) RST - Digital 9 3.3V to 3.3V (Power) Library ...
Arduino Nano 33 Sense Rev2
...ly:Arial, sans-serif; margin:20px; background:#fafafa;} table ...und:#fff;} th,td{padding:10px;border:1px solid #ddd;text-align:left;font-size:14px;} th{background:#f0f0f0;fon ...v2 IMU LSM9DS1 (9-axis) BMI270 (6-axi...
Adding content - 3D model from the internet
...ies where you can download pre-existing 3d models for use within ...tc. Paying for models is very expensive and we strongly recommen ...? Depending on the model you want you might need to look for it ... vegetation, or characters for example. A list of libraries and ...
Using an PN532 RFID reader
...rite data to those blocks. For example, Block 0 usually contains ...al.println(); Serial.println("Waiting for a card......"); } void ...card/tag, block 1-2, 4-6, 8-10, 12-14... 56-58, 60-62 are for user ... Serial.print("Data written(HEX):"); for (int i = 0; i < ...
How to make the Raspberry Pi display a web page fullscreen at power on
...i/full-screen.sh sudo chmod +x full-screen.sh full-screen.sh ... export DISPLAY=:0.0 xset s off xset -dpms xset s noblank chromium-browser ...ktop Entry] Type=Application Exec=/home/pi/full-screen.sh Hidd ...en=false X-GNOME-Autostart-enabled=true N...
How to create 360 Video for the Igloo system
...teps will be using an Insta360 X2 camera. You can recreate the s ...ferent when using different hardware. Step 1 Set up your 360 ca ...ecord in atleast 4K 30FPS but always choose higher if possible. Pr ...ill be finally displayed at a maximum of 30 FPS. Step 2 Remember...
Sending data to Arduino
...owerful tool that makes use of external sensors to enhance immers ...ive and interactive experiences. This brief tutorial w ...ill walk you through using Firmata, a ...e communication between the softwares through serial. In Arduino ...nch Arduino. Make sure your hardware matches the software by selec...
How to send data to Processing from Arduino
... pin to A0 Arduino Code This example sends the potentiometer va ... void setup() { Serial.begin(9600); //intailise Serial communi ...cation with 9600 baud rate pinMode( potPin, ... crazy } Processing Code This example used the data received fro...
Controlling an actuator with TinkerKit Mosfet
...e. Typically you might find an example of a mosfet circuit online ... and accidentally wiring up the 12 or 24 volt power supply to your ...mall, cheap module which takes away all these headaches, on the Ar ...other side of your actuator) **Warning**The TinkerKit Mosfet can ...
Using L293D IC for motors
What is L293D? The L293D is a 16-pin Motor Driver IC w ...neously in any direction. The L293D is designed to provide bidire ... from 4.5 V to 36 V. It can be extremely hot. When they get overh ...sometimes it comes with a gearbox which will slow down the speed ...
Unity for Beginners Workshop
... 1 - Installing Unity Task 2 - Watch and follow the video tutoria ... and prepare all the assets you want to use (Images and sound file ...nstalling Unity Task 2 - Please watch the Unity for Beginners vide ...le 3D objects for the floor and walls, we recommend creating a bas...
How to use a rotary encoder
...as it rotates. These pulses are 90° out of phase (quadrature), wh ...hese signals are in quadrature (90° out of phase). Working Princi ...ation. Here’s a simple visual explanation of how an incremental ...aft angle. This allows you to always know the exact position, even...
Raspberry Pi Image: Retropie for Reviving Vintage Games
...l OS, you can install it on an existing Raspbian, or start with t ...ie image and add additional software later. It's up to you. We are ...ccordingly, one by one. If you want to skip any button configurat ...ulators require different file extension so the ROMs can be read ...
Understanding Arduino software
1. Download the software Go the the official site and ...dowaload the 1.8.XX version! The latest version, 2. ...3.X, is not currently supported by ...opment, so you may encounter unexpected errors. For the time bein ... to tell Arduino IDE which one exactly we are using. The one you ...