MQTT (Message Queuing Telemetry Transport) Protocol is a M2M (Machine to Machine) lightweight messaging protocol widely used in IOT (Internet of Things) that provides a resource constrained network clients. Almost IOT cloud platform support MQTT protocol to send and receive
Wiring IR (Infrared) Obstacle Avoidance Sensor with Raspberry Pi
IR (Infrared) obstacle avoidance Sensor module uses infrared reflection principle to detect obstacle. This sensor has a high precision components paired of infrared transmitter and receiver. The transmitter tubes emit a certain frequency of infrared when detecting a direction or
Wiring TCRT5000 IR Tracking Sensor with Raspberry Pi
IR Light reflection switch, useful for obstacle avoidance or line following, for obstacle avoidance you can place this module in front of the sender /receive diodes that will cause the out pin to be pulled low at distance of 1cm.
Wiring Photo Interrupter Light Blocking Switch with Raspberry Pi
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 blocking commonly named photo interrupter. A long life infrared photo diodes is
Wiring MPU 6050 MEMS Accelerometer GYRO on RPI
Another illustration that demonstrate how to use MPU6050 on Raspberry Pi. 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
Wiring the Passive & Active Buzzer with Raspberry Pi
Another illustration that demonstrate how to use the buzzer both passive and active. The difference between an active and passive is. The active buzzer has a built in oscillating source that will make a sound when amplifying a power compare
Wiring the I2C / SPI OLED Monochrome Display with RPI
Another guide for wiring the OLED 128×64 Display Monochrome on Raspberry Pi. These display module has only 0.96” diagonal made of 128×64 OLED pixels, this module it works without backlight can be visible in the dark environment, and OLED display
Wiring Single Channel Relay with Raspberry Pi on C/Python
Another illustration how to wire the single channel relay with Raspberry Pi. Relays are suitable for driving high Power AC/DC electrical equipment such as home appliances, light bulbs, motors, etc. Mostly popular in industrial and automotive use for automation. By
Wiring The AX1838HS / VS1838 / NEC-IR 38K IR on Raspberry Pi
Another illustration demonstrating how IR Emission works on Raspberry Pi, for introduction how IR Emission works please refer to this link. IR (Infrared Receiver) is a device / component which receives IR signals and can independently receive IR rays and
Wiring Push Button with RPI Driven by C-Code and Python
Push buttons are simple switch mechanism for controlling some aspect of a machine or a process. Buttons are typically made out of plastics, metal, carbons or rubber. The surface is usually flat or shaped to accommodate the human finger or
Wiring The Vibration Tilt Switch / Ball Tilt Switch with RPI
Another illustration how to control and wire the Rolling Ball Tilt Switch or Ball Sensor along with Raspberry Pi. Ball tilt switch allows you to detect an location or inclination they are small and easy to wired-up it use low
Wiring the DS18B20 Digital Thermometer w/d Raspberry Pi
The DS18B20 is a digital thermometer provides 9bit to 12bit Celsius temperature measurement, this device has an alarm function with nonvolatile that user can program upper and lower trigger points. DS18B20 communicates over one wire bus or one data line