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This project showcases a simple logic-based Light and Movement Detector built using only analog and digital non-programmable components: the LM741 operational amplifier, 74HCT04 inverter, and 74HC368 tri-state inverter. The circuit is designed to turn ON a LED only when movement is detected in the dark. If there is ambient light, […]
Welcome to an exciting journey into the world of Arduino and Python programming! In this comprehensive tutorial, we will explore the intricacies of controlling an Arduino board using Python and Tkinter, a popular GUI toolkit. Our goal is to teach you how to create a simple yet powerful user interface […]
Below is the short video published on YouTube: Here’s the code: // ////////////////////////////////////////////////////////////////////////////// Project: Singing bowls illumination// Description: It turns on a different colour depending on which Chakra is played// Engineer: Alberto Lopez// More: https://misCircuitos.com// Date: 16 – nov – 2022 Chiang Mai (Thailand)/////////////////////////////////////////////////////////////////////////////// define DEBUG_MODE //Comment when finish debuging […]
Summary: 1. The production of REA/RLA Capacitors from Lelon will end in 2022. 2. RGA series will be the main replacement for REA 3. Kindly note that REA is a 85 Celsius radial capacitor and RGA is 105 Celsius radial capacitor. This is a memo published by our supplier: Owing […]
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This is a memo published by our supplier regarding the purchase price adjustment: Dear Respected O/S Customers & Distributors., We just got a shocking news in last weekend (25-26 September 2021) that will serious impacts our current e-cap production output immediately. To reduce the overall carbon dioxide emission, The Chinese […]
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This is a memo published by our supplier regarding the purchase price adjustment: Last year, the world economy was hit hard caused by the trade-conflict between the US andChina, along with the spread of COVID-19. The Corona Virus lead major cities to lockdownaround the globe. We took major steps to […]
For this tutorial, you’ll need: 2 x Arduino UNO 9 x Resistor 330E 9 x LED 5MM Jumper Wires 3x Mini BreadBoard 1 x Dip Switch 1 x Resistor 10K Please note that the items needed will be updated with each part! First Part: Explaining the project & Figure Out […]
For this tutorial, you’ll need: 1 x Arduino UNO 3 x Resistor 330E 3 x BDW93C Jumper Wires 1x RGB Strip LED 1 x Adaptor 12V 5A Watch this full video: Smart Christmas Tree Example Code: const int sampleWindow = 50; // Sample window width in mS (50 mS = […]
For this tutorial, you’ll need: 1 x Arduino UNO 1 x Resistor 330E Jumper Wires 1 x Led 5MM 1 x Voice Recognition Module Watch this full video: Download the library before you start Led Control Example Code: #include <SoftwareSerial.h> #include "VoiceRecognitionV3.h" VR myVR(2,3); // 2:RX 3:TX, you can […]
For this tutorial, you’ll need: 1 x Arduino UNO or a Universal Adaptor 1 x Resistor 330E (and Set of different values) BreadBoard Jumper Wires 1 x Led 5MM 1 x 555 Timer Click to check The 555 modules Watch this full video:
For this tutorial, you’ll need: 2 x Arduino UNO 4 x Resistor 330E BreadBoard Jumper Wires 4 x Led 5MM 2 x DIP Switch 6 pole Watch this full video: First Version of Code: #define Working 12 #define led1 10 #define led2 9 #define led3 8 int led=0; void setup() […]
For this tutorial, you’ll need: Arduino UNO 6 x Resistor 330E BreadBoard Jumper Wires 6 x Led 5MM Watch this full video: First Version of Code: void setup() { Serial.begin(9600); for (int thisPin = 2; thisPin < 7; thisPin++) { […]
For this tutorial, you’ll need: Arduino UNO 1 x Resistor 330E BreadBoard Jumper Wires 1 x Led 5MM 1x TCRT500 Module Watch this full video: First Version of Code: #include <avr/sleep.h>//this AVR library contains the methods that controls the sleep modes #define interruptPin 2 //Pin we are going to use […]
For this tutorial, you’ll need: Arduino UNO 9 x Resistor 330E 1 x Resistor 10K BreadBoard Jumper Wires 9 x Led 5MM 1x Push Button Watch this full video: Full Code: #define led1 4 #define led2 5 #define led3 6 #define led4 7 #define led5 8 #define led6 9 #define […]
For this tutorial, you’ll need: Soil Moisture Sensor with module Arduino UNO 2 x Resistor 330E BreadBoard Jumper Wires Led 5MM BDW93C Water Pump 2x Plastic Tubes Cup of water Watch this full video: Needed Codes and files for this tutorial: Soil Sensor Test: int soilPin = A0; int outputValue […]
For this tutorial, you’ll need: Ultrasonic Sensor HC-SR04 Led 5MM Blue & Yellow Arduino UNO 2 x Resistor 330E BreadBoard Jumper Wires Battery 9V Snap to DC cable Watch this full video: Code: long d; //distance variable long DistanceSensor (int, int); //trigger echo define T 8 // pin 8 is […]
Watch this video, follow all the steps!! This is code: pinMode(8, OUTPUT); digitalWrite(8, LOW); mlx.begin(); //you start the serial connection with the senor delay(500); //wait for 0.5 second digitalWrite(8, HIGH); //When 8 is high it will connect the sensor to the Arduino SCL pin delay (500); //wait for another 0.5 […]
Please don't try this at home and always remember that Arduino UNO Supply voltage varies between 5V and 12V
DHT temperature and humidity sensors, are very basic and slow, but are great for hobbyists who want to do some basic data logging. Each DHT is made of two parts: Capacitive Humidity Sensor and Thermistor. There is also a very basic chip inside that does some analog to digital conversion […]
In this tutorial, we will show you how to build a low cost thermometer, using Arduino & DS18B20 waterproof version (Digital Temperature Sensor) Step 1: Items you need to have Arduino UNO (or other Arduino Models) DS18B20 Waterproof Resistor 4.7KOhm (Preferably 1/2Watt). You can check the Watt availability for 4.7KOhm […]
Step 1: Items you need to buy 1x Arduino UNO 1x Color Sensor 1x Breadboard 1x RGB Led 3x Resistors – 220E Step 2: Connections Connect the following pins together properly: Color Sensor: S0 <-> PIN 3 S1 <-> PIN 4 S2 <-> PIN 5 S3 <-> PIN 6 Out […]
Connect to the wireless network print(wifi.sta.getip()) --nil wifi.setmode(wifi.STATION) wifi.sta.config("SSID","password") print(wifi.sta.getip()) --192.168.18.110 Arduino like IO access pin = 1 gpio.mode(pin,gpio.OUTPUT) gpio.write(pin,gpio.HIGH) gpio.mode(pin,gpio.INPUT) print(gpio.read(pin)) HTTP Client -- A simple http client conn=net.createConnection(net.TCP, false) conn:on("receive", function(conn, pl) print(pl) end) conn:connect(80,"121.41.33.127") conn:send("GET / HTTP/1.1\r\nHost: www.nodemcu.com\r\n" .."Connection: keep-alive\r\nAccept: */*\r\n\r\n") HTTP Server -- a […]
WiFi connections are sometimes a must in your project. It really gives it the IoT identity and power to send/receive messages/commands from anywhere using only an internet connection. Although you might think it’s hard to add this option to your project, a simple google search can prove the opposite. Before […]
This short article will show you how to transform your Arduino into a cell phone. Remember that you can always visit us or contact us during our normal opening hours. How to connect SIM900 This model does not include the pins to mount it directly on the Arduino and […]
This Sensor KY-037 is easy to use, cheap and can be used in different applications. It has two outputs: AO, analog output, real-time output voltage signal of the microphone. DO, when the sound intensity reaches a certain threshold, the output high and low signal. The threshold-sensitivity can be adjusted […]
Check out this wireless control device and all it’s features Watch this video to know more about this product! This picture below, explains how to use this wireless device to control relays! You can always contact us: +961 1 483031 or +961 3 675686 or +961 71 416448 or […]