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How to use a Heart Beat Sensor
...stable reading. Wiring Red to 5V (Power) Yellow to A0 (Signal) ...// On-board LED int Threshold = 550; // Threshold for ...de(LED, OUTPUT); Serial.begin(115200); } void loop() { // Read ... signal crosses the threshold upward (beat detected) if (Signal ...
How to hack a brainwave EEG toy - Force Trainer II
What is a NeuroSky Brainwave? NeuroSky Brainwave is a technology that uses EEG ...roSky chip can be found on brainwave-controlled toys such as the S ...tar Wars Force Trainer. The toy can be ...orial, we are using an UNO, hardware Serial (pins 0 & 1) is shared...
Using a Vibration Motor
...at the motor may produce. The 0.1µF capacitor absorbs voltage spi ...t of the transistor, we place a 1KΩ (or up to 5KΩ) in series with the base of t ...(or any other NPN transistor) 0.1µF capacitor 1N4001 diode 1KΩ resistor It is a quite compl ... the pins go as the following. 1. Emitter (E) to Ground (GND) 2....
Touch sensor - with No Sensor!
...curacy without ANY external hardware. CapacitiveSensor library wil ...ing Wiring is super simple with 1 wire: jumper wire to A0, anoth ...essing times #define RESOLUTION 100 #define SMOOTH 100 // determine how many reading ...or smoothing float multiplier = 1.2; // determine when the sensor...
How to create 360 Video for the Igloo system
...ferent when using different hardware. Step 1 Set up your 360 camera at your ...ecord in atleast 4K 30FPS but always choose higher if possible. Pr ... footage into a proprietary software for processing. In this case ..., the Insta360 software will be used to convert the f...
Touch sensor - Using an MPR121
What is the MPR121? The MPR121 is a tiny microchip formerly ma ...face mount device that provides 12 capacitive touch electrodes th ...rface. We are using Adafruit MPR121 in this tutorial. What is capac ...exposed metal part. Adafruit MPR121 Power input: 3.3V to 5V Addr...
How to use DFPlayer Pro to play MP3
...ule with an internal storage of 128MB. The module can be used as ...ack wire Connect L+ & L- if you want stereo audio File handling ...that folder. Library DFRobot_DF1201S library will be used for this ...arted - UNO #include <DFRobot_DF1201S.h> #include "SoftwareSerial...
Using Smartphont to Read NFC tag
... involving Arduino. If you only want a simple read and write funct ...rary We will be using DFRobot PN532 module, please refer to this ...al. We will be using Adafruit_PN532 library, we have a tutorial o ...ial, we are using NTAG203, NTAG215 or NTAG216 should work fine as ...
How to connect a push button or switch
...hes? Buttons and switches are a way of opening and closing a circu ...ir position, they can be a good way of indicating the mode of a de ...vice, such as playing video forward or backwards. Micro switches can with mo ...o this otherwise when you apply 5V by closing the circuit you wou...
Arduino Nano 33 Sense Rev2- IMU sensor
...-axis BMI270, and the 3-axis BMM15. To use the IMU (inertial measu ...ed to use the Arduino_BMI270_BMM150 library instead of Arduino_LSM ...9DS1 which is used in all example co ...Replace #include <Arduino_LSM9DS1.h> with #include <Arduino_BMI27 ...0_BMM150.h> in all existing codes if yo...
How to send data to p5.js from Arduino
...ation protocol to send data to p5.js from Arduino using the P5.js WebSerial Library. The p5.js sketch will be controlled by ...witches is simple: Left pin to 5V Right pin to GND middle pin to ...value measured from Arduino to p5.js via the serial port, you can...
(MAC) How to use Phomemo Thermal Printer M834
...s inklessly on different sizes 216mm/210mm/110mm/80mm/53mm (US Letter/A4/4.33"/3.14&qu14"/2.08") of thermal papers. 1. Install Printer Driver Please ...m using a thermal paper roll of 110mm wide. The height, however, s ...he printer. I set the height as 50mm, as my intended printing fil...
How to control Raspberry Pi Pico via Wifi
...ome a ubiquitous and convenient way for people to access the inter ...nd type in ipconfig getifaddr en1 Get started The example code ...onny Shell, something like ip = 10.3.15.120 open up a web browser go to ... W</title> </head> <body> <h1>Pico W</h1> <p>%s</p> ...
How to build a Simple Robot Arm with Servo Motor and Joystick
...D Workshop to laser cut the hardware. In this tutorial, we will fo ...r arm. Wiring Servo: Power to 5V Servo: Ground to GND Servo: ...Signal to 6/10 Potentiometer: Right pin to 5V Potentiometer: Left pin to GN ...otentiometer: Middle pin to A0/A1 Getting started This code is ...
Using a HC-SR04 distance sensor
...if the ping sound is reflected away from the sensor by an a diverg ...here needed, this is a cheap < £5 sensor, while more accurate one ...s are over £100. Wiring Wiring up the sensor ...is simple: Power (VCC to 5V) Ground (GND to GND) Echo to d...
Hello World
...t the "type" of Python file you want PyCharm to create. For this e ...print(), we provide the text we want Python to print. This text mu ...ere you can type what it is you want to print. In this example, I waited until I had typed out "prin ...own PyCharm's list of potential ways for completing your code. No...
How to Program an ATtiny85 with an Arduino Uno
What is an ATtiny85? ATtiny85 is a 8-bit AVR microcontroller ...device to upload code to ATtiny85. File - Examples - Arduino ISP ...the pinout. Arduino --> ATtiny85 5V 5V --> Vcc (8) GND --> ... GND (4) Pin 13 --> Pin 2 (7) Pin 12 ...
How to power the Raspberry Pi Pico
...e Raspberry Pi Pico The easiest way to power a Pico is through the ... input voltage can vary between 1.8V to 5.5V. This voltage is used by the o ...d not drain the battery. LM7805: The LM7805 is a popular voltage regulator ...le and fixed output voltage of +5 volts. It is widely used in ele...