Another illustration how to build a simple physical intrusion detection with laser and photoresistor (or light-dependent resistor, LDR, or photocell). This guide shows how to wire and build a laser tripwire that triggers an alarm or output when the laser
Wiring the 314X Hall Effect Sensor Module
In this illustration we will going to wire the 3144 Hall Effect Sensor Module. Hall Effect Sensor are designed to respond in a wide range of positive or negative magnetic field. Linear Sensor are critical to the performance to their
Wiring the TCRT5000 Reflective Optical Sensor Module
This is the Line Tracking Sensor designed for line following robots. The board has two main components IR Transmitter and IR Receiver in one package named TCRT5000. The TCRT5000 are reflective sensors which include an infrared emitter and photo-transistor in
Wiring The Infrared Obstacle Avoidance Sensor Board
Infrared obstacle / Avoidance Sensor is an ambient light sensor adaptable can be place on your wheeled robots for obstacle avoidance or distance sensor. This sensor has a high precision components paired of infrared transmitter and receiver. The transmitter tubes
Wiring Light Blocking / Photo Interrupter Sensor
In this illustration we will going to wire the light interrupter. A photo interrupter is transmission type photo sensor that integrates optical receiving and transmitting elements in a single package please see the diagram below. Since the method involves light
OLED Voltage Meter on Voltage Divider
Another illustration that demonstrate the uses of Analog to measure the voltage of an external battery and integrate the area under the curve to arrive at the useful capacity of a battery mAH. If you’re going to calculate the desired
Security Alarm System on PIR Sensor and Keypad with Nano
Another illustration using PIR (Passive Infrared Sensor) with Numeric Pad and Arduino NANO, These project is based on Security System that’s detect human movement on the area and triggered the alarm. As you can see the diagram below it has
Wiring DIGISPARK ATTINY85 with 096″ OLED Display Screen
In this illustration we will going to wire the ATTINY85 to control the OLED Screen using i2C Bus on ATTINY85 Microcontroller, I will just give an introduction what is ATTNY85 Microcontroller. The ATTINY 25,45, and 85 is a low power
Wiring the MPU 6050 Sensor Mems Accelerometer GYRO
The MPU 6050 sensor board contains a MEMS ACCELEROMETER and MEMS GYRO a single chip that provide a very accurate data, as it contains 16bits analog to digital conversion hardware for each channel that captures the X, Y, and Z
Wiring a Metal Detector with NPN Proximity Sensor on Arduino
In this illustration we will going to wire the NPN Inductive Proximity Sensor to detect metal or any metal objects, this device also can be used as a metal detector screening when people walking through the entrance to find metal
Wiring Thermocouple MAX6675 on ESP8266 12E NodeMCU
In this illustration we will going to wire a Thermocouple, i2C OLED Screen and ESP8266 NodeMCU Board, as you can see the source code it is using a C Sketch code not a LUA script, if you don’t have ESP8266
Wiring DHT11, DHT22, with OLED Screen on ESP8266 12E
Yet another illustration how to use the 0.96” OLED 128×64 Screen Display, and DHTXX Temperature & Humidity Sensor, The OLED 128X64 Screen Display module it is made of 128×64 individual blue OLED pixels, each on is can be turn on