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BMP 280 is a digital absolute barometric pressure sensor from Bosch Sensortec. This sensor is especially designed for mobile applications where small dimension and low power consumption is very important. Today we will see what exactly BMP 280 pressure sensor is all about and how we can use it in our various applications including application with Arduino.

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50 posts!

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Today we will have a look at usb io board range from iknowvations that you can use for your projects depending upon your requirement. They provide not only digital and analog input output channels but also some of the usb io board have on board relays to make any electrical thing On or OFF.

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USB relay board is a very useful board if you are considering dwelling yourself in making some home automation projects. To make any computer based automation projects, you need some kind of communication between your pc and the card to the board that is handling the input & output part.

Today we will see some of the projects that you can make using usb relay boards. For these projects, we will be considering two very good usb relay boards – iU-2RD and iU-4RD from iknowvations.

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UIO-HMI-24 Digital Inputs/Outputs & DAQ board with

39 channels and USB/Bluetooth/RF connectivity ( depending upon different models).

Welcome to the world of Computer Automation. This usb io Board – UIO-HMI-24 is a perfect companion for all your computer automation projects where you require large number of I/Os as well as DAQ capability.

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USB io 252 channel card UIO-369

USB io card is very useful for computer based automation requirements. UIO-369 card boasts up to 252 digital input /output channels. This card also is having ADC channels for measuring analog values.

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How to set up usb relay board

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8 channel infrared IR remote control relay board with Digital outputs iUB-8R-IR launched. We have launched our latest 8 channel infrared IR remote control relay board iUB-8R-IR. This board has not only 8 relays as AZ8CR-3 but also has 9 additional digital outputs on the board ( on iUB-8R-IRO) .

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How to use infrared ir remote control to make a robot. Using infrared – IR light to control is a very old technology but as it is very cheap and very reliable, it is used to control most of our home equipments like TV, Audio video systems, Home Theater systems, Resident light systems ,Home automation systems etc.

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Welcome to iRS-LD and iRS-LD-DAQ. These boards are Serial LCD boards. iRS-LD is only Serial LCD board while iRS-LD-DAQ is having additional 16 input output pins which can be used for Data Acquisition purposes apart from using it as regular serial LCD. Features of iRS-LD Serial LCD board - 1. RS232 based serial LCD. 2. Can be connected directly to COM port of any computer or laptop. 3. On board TTL connections also to connect to any MCU. 4. Can be used for 16*2 LCD. ( other options also will shortly be provided) 5. Simple commands to use full functionality of LCD. No need to know how to program LCD. 6. Up to 16 Digital I/Os including 4 ADC channels (having 10 bit resolution) are provided for Data Acquisition purpose. ( only for iRS-LD-DAQ board.) 7. 9-12 V dc power supply can be used. 5V regulator is provided on board. 8. Back Light of LCD can be controlled directly by software command. 9. On board power supply LED for visual indication.

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Arduino Mega 2560 with iknowvations Experiment Board

Arduino Mega 2560 is a very popular microcontroller board using ATMEGA 2560 controller from ATMEL. The card has got 54 input/output pins. 14 of these pins can be used for PWM operation. 16 pins can be used for Analog inputs. Apart from this there are 4 UARTs.

There are 16 MHz crystal, a USB connector, DC power jack, ICSP header and a Reset button on board apart from 4 LEDS on the board. Just connect to you PC USB port and you are ready to go. It is that simple.

To do different kind of experiments with such boards, you need some kind of card on which you can place various components as per your requirement. Experiment Board from iknowvations can be such card.

This card is double sided PTH card with 0.1 inch ( 2.54 mm) standard 1 mm holes to accommodate various components as per your circuit.

Following are some of pics how this card can be used or arranged to directly plug on to various output pins of the Arduino Mega 2560 board.

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12 channel IR remote control board

from iknowvations

information page of 12 channel ir remote control board

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4 channel RS232 Relay Board with 9 Digitlal/Analog I/O Rs232 Data Acquisition Card. Welcome to the world of Computer Automation. This RS232 Relay Board - R242 is a perfect companion for all your computer automation projects. It is RS232 based card having 4 on board relays for switching external devices and up to 9 digital & analogue I/Os that will help you to monitor various real world scenarios using switches & different kind of sensors to monitor many parameters like Temperature, Pressure, Light, Touch, PH etc. This card is not only good for controlling Relays but a perfect example for Data Acquisition applications. It uses existing Com Port ( you can choose the available one), which allows easy communication with the card. Any programming language that supports serial communications ( C, C#, C++, VB, VB.NET,Perl, Java etc) can be used to communicate with R242 very easily. Easy to use commands are available to communicate with R242 which handle various tasks like Switching On/Off of Relays, Controlling Digital Inputs & Outputs, Getting analog data etc. The controller provides 4 relay outputs to control various electrical devices. Apart from this, the card has up to 9 digital input & output pins. It has also got 4 Analog input pins. All pins can be individually configured as Digital Input or Digital output on the fly. All analog pins can be individually configured as digital I/Os also while taking care of input conditions. Each Digital pin can support a TTL or Schmitt Trigger Input or a 5V output. Each Analog pin will convert analog voltage ( Between 0 to 5V) or Higher ( through voltage divider) into 10 bit resolution raw data.This can be converted into required form using conversion formulas. Any kind of sensor whether it is providing digital output or analogue output can be interfaced with R242 and monitored with the help of computer.

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