Rangel Alvarado

I am an Electromechanical Engineer in Panama and my area of development is in automation, control and embedded systems.

Most commented posts

  1. New video of starting in Kinetis Design Studio — 2 comments
  2. mbed – The best amateur engineer tool — 2 comments

Author's posts

IoT – Internet Of Things

    The Internet of Things, also called IoT is a new trend in which objects, animals or people have unique ability to identify, transfer its data over the internetwork without any or less human intervention, just machine actions that converges sensors, the internet and machines as gateways. The “thing” is a device capable to be …

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Permanent link to this article: http://daqsyspty.com/iot-internet-of-things/

Using the Optoisolated USB To RS-485 Converter to Interface a Nexus 1250 Meter

See the short explanation and video of the test of my galvanic isolated USB-RS485 converter tested with a Industrial Meter (Nexus 1250).

Permanent link to this article: http://daqsyspty.com/using-the-optoisolated-usb-to-rs-485-converter-to-interface-a-nexus-1250-meter/

Final Report with Matlab simulations of Robotnik Summit XL

Here is our final report of the course “Design and Control of Robots” with the PhD. professor Rony Caballero.  In this report we will show you controllers, graphs, the theory and more of the Robotnik Summit XL and the use of ROS. See the final report on the page of the Summit XL entry.

Permanent link to this article: http://daqsyspty.com/final-report-with-matlab-simulations-of-robotnik-summit-xl/

LabVIEW TCP Connectivity R/W with RN-XV

On this topic is added the capacity to test wireless connections through LabVIEW and the Roving Networks XV (pin compatible with XBee socket). View the full issue here

Permanent link to this article: http://daqsyspty.com/labview-tcp-connectivity-rw-with-rn-xv/

USB to RS485 Converter

Check my USB to RS485 conveter.  Has a few advantages above the current market converters. Update status!!!.  Assembled and tested.

Permanent link to this article: http://daqsyspty.com/usb-to-rs485-converter/

XBee Series 1 Basic Tests

XBees are regular RF modules with capabilities of Mesh networks.  It are based on 802.15.4 wireless standard named Zigbee.  Although they are not full zigbee compliant modules, the company has a variety of fancy modules and there are ones that are full zigbee compliant. Zigbee is regularly used to make control applications where battery life …

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Permanent link to this article: http://daqsyspty.com/xbee-serie-1-basic-tests/

Computer Vision

Computer Vision is an art.  For those people that made the libraries, my total admiration.  I will show you here the basic of displaying an image using your computer with a package named OpenCV or Open Computer Vision.  This stack of functions will help you to develop complex applications using your device input, generally a …

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Permanent link to this article: http://daqsyspty.com/computer-vision-post/

CPLDs – Complexity Reduced to One Single Chip

CPLDs are the most basic chips (right now) in programmable logic.  You can make an AND, OR; make combinational gates, state machines and any combination of circuitry hardware that you want. Its well suited to glue logic to get the cost of hardware production lower.  I will explain a very basic introduction of CPLD and …

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Permanent link to this article: http://daqsyspty.com/cplds-complexity-reduced-to-one-single-chip/

Resistive Load Control

Microcontrollers are good for control.  8-bit market stills rules.  In this project i was able to implement a simple way to dim the incandescent light bulb.  This project was submitted on the IEEE design contest locally, but unfortunatelly i was only able to be on the second place. In the link you will find how …

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Permanent link to this article: http://daqsyspty.com/resistive-load-control/

Welding Machine Controller

This post i will show you a past work about make a Welding Machine controller for tanks that holds fluids like water, air or other newtonian fluid.

Permanent link to this article: http://daqsyspty.com/welding-machine-controller/

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