Microcontroller - 8051, 8052, OpCodes, Analog Interface.

Saturday, May 13, 2017

Tech Design Forum - Design Method Curation

A trusted resource which gives hardware and software engineers the information and analysis they need to make the best technology decisions.

Tech Design Forum - Design Method Curation

"The Curation Company is led by three experienced journalists who together have more than 60 years’ experience of understanding technical markets.."

Tech Design Forum - Design Method Curation

Do you need a 1GHz MPU to run Linux and Android?

"Many systems other than smartphones would like to benefit from the standardization of Android’s offerings, but over a completely different UI. One option here is the Inflexion UI GUI tool from Mentor Graphics. It also enables applications to use the Android Dalvik framework, but allows device manufacturers to quickly and easily create their own UIs and get the most out of the hardware, even if the hardware does not have an expensive GPU."

"But not all embedded systems require whizz-bang features and a blazing fast microprocessor (MPU). Vertical markets such as home and commercial applications, point-of-sale terminals...."

Wednesday, May 10, 2017

FreeMat - Engineering Technical Computing

FreeMat is a free environment for rapid engineering and scientific prototyping and data processing. It is similar to commercial systems such as MATLAB from Mathworks, and IDL from Research Systems, but is Open Source. FreeMat is available under the GPL license.

FreeMat - Engineering Technical Computing

FreeMat - Engineering Technical Computing

FreeMat is chartered to go beyond MATLAB to include features such as a codeless interface to external C/C++/FORTRAN code, parallel/distributed algorithm development (via MPI), and advanced volume and 3D visualization capabilities.

Features Include
  • N-dimensional array manipulation (by default, N is limited to 6)
  • Built in arithmetic for manipulation of all supported data types.
  • Support for solving linear systems of equations via the divide operators.
  • 2D plotting and image display
  • Arbitrary-size FFT support
  • Pass-by-reference support (an IDL feature)
  • 3D Plotting and visualization via OpenGL

Thursday, May 04, 2017

Wolfram Apps for EE Design

I feel that Analog Insydes, Control System Professional, Fuzzy Logic and Signals and Systems are relevant to Electronic Design.

Wolfram Workbench: State-of-the-Art Integrated Development Environment

Wolfram Workbench provides sophisticated code editing, navigation, and project management tools for enterprise-class development and deployment

Wolfram Apps for EE Design

Analog Insydes is a Mathematica application package for modeling, analysis, and design of analog electronic circuits, tailored specifically for industrial applications. With Analog Insydes and Mathematica you can do all of the following in one integrated environment.

Simulating a feedback control system with controller and second-order plant

Industry Solutions for Engineering - Control Systems

Build and analyze control systems, document design decisions, and interactively test controllers-all in one system.

Tuesday, April 18, 2017

FireFly WSN Platform

The main Firefly board uses an Atmel ATmega1281 8-bit micro-controller with 8KB of RAM and 128KB of ROM along with Chipcon’s CC2420 IEEE 802.15.4 standard-compliant radio transceiver for communication. The maximum packet size supported by 802.15.4 is 128 bytes and the maximum raw data rate is 250Kbps.

FireFly WSN Platform

FireFly Power Monitoring and Control Board  - In this project, we design and implement a remote switch control and power measurement system by using CMU Firefly wireless sensor board. The basic function for the system is that one central node can remotely switch on or off electronic devices and get the information, e.g. power, back from the switches. The basic design includes three parts: switch module, power measurement module and CMU Firefly board.

FireFly Power Monitoring and Control Board

The demonstration shows that central node can wirelessly control the four lamps individually and the accurate power from each of the node is transmitted back instantaneously. The functions such as power-save and autoswitch pattern are also implemented. The power measurement ranges from 10W to 1000W, which is suitable for most industrial electrical system.

Saturday, April 08, 2017

Internet and Intranet of Things - IoT

When Intelligent Devices (embedded systems) are privately and securely networked, it is called the Intranet of Things. This is like a Home-Office-Business private closed Cloud. This is ideal for Home and Infrastructure Automation and even Big Business or SMB Automation.

The Internet of Things - IoT is the Superset. It could be Secure and Private but still vulnerable to security lapses and breakdowns. This could send devices, robots and machines Berserk.

In all Networked Environments we have to have fallback arrangements when network fails or is compromised or even slow due to peak hour internet traffic.

Internet and Intranet of Things - IoT

WSN - Wireless Sensor Networks and M2M - Machine to Machine Data Communication;

M2M and WSN is a closed private Intranet network that is used in Manufacturing and Industrial Automation. Here we could use data sync to Interface it with the Web or Internet. This enables passive controls and monitoring of SCADA or Machine Status, yet very Secure.

COR - Collaborative Online Robotics - This is like team work for bots. Big tasks can be accomplished by very small and weak robots. Example - Observe Ants and Bees.

All these only mean Wireless Networked Intelligent Embedded Systems. They could be machines, appliance, robot or gadget. The brain is both on the device and in the Clouds.

All these only mean Wireless Networked Intelligent Embedded Systems. They could be machines, appliance, robot or gadget. The brain is both on the device and in the Clouds.

delabs Notes - 2015

Thursday, April 06, 2017

BlackBoard - Circuit Layout.and Simulation

An Open Source "Learning EDA" Software which can setup circuit layouts. You may use it for stripboards, perfboards, breadboards, and even for plain circuitry or simulation. Creation and editing of symbols and elements on-the-fly using an integrated editor

BlackBoard - Circuit Layout.and Simulation

BlackBoard - Circuit Layout.and Simulation

The Library has more than 300 different elements and symbols. Has an Integrated SPICE simulation support with netlist generator. NGSPICE Frontend (comes along with NGSPICE for Windows).

BlackBoard Components

These are some of the Components in the Library. Makes Setting up a circuit layout fun.

GitHub - mpue/blackboard

Saturday, March 11, 2017

Code and Life - Joonas Pihlajamaa

He has a Embedded Systems Programming Blog where you can read and learn programming for the small SBCs and Testing Chips on "USB Stick SBCs" that are now a standard.

Code and Life - Joonas Pihlajamaa

He has useful tutorials on V-USB which is a software-only implementation of a low-speed USB device for 's AVR microcontrollers.

Arduino Uno and Raspberry Pi to talk to each other

He also has many ideas on PC Interface Hardware and Code that may help Home Automation Projects. He reviews embedded starter evaluation boards. Many ideas on Audio and Video using these uC boards.

Arduino Uno and Raspberry Pi to talk to each other

"All that was needed between the two devices was some jumper wire and two 1 kOhm resistors to form a voltage divider between Arduino TX pin and Pi RX pin – Arduino understands Pi’s 3.3V signal levels just fine so Pi TX to Arduino RX needed no voltage shifting at all."