Category Archives: Uncategorized

Introduction The chances are that you have a router with a USB port, just like I have my TP-LINK TL-MR3420 router. It is likely that with more intense usage of your router, you will need more disk space. This can be … Continue reading →

RedAcacia.wordpress.com is now RedAcacia.me! This blog had 24,000 views in 2012. In 2012, there were 11 new posts, growing the total archive of this blog to 27 posts. The busiest day of the year was September 13th 2012 with 141 views. The most popular post that … Continue reading →

Introduction When upgrading a router such as TP-Link´s  MR3420, if one does not take adequate measures, one risks to brick it. That is exactly what I did with my TL-MR3420 v1 router. The only way to debrick this router is … Continue reading →

The WordPress.com stats helper prepared a 2012 annual report for this blog. A big thank you to all visitors and among you that wrote comments, as well as WordPress team for running this wonderful space on the Web. Here’s an … Continue reading →

Introduction Basic gesture of swipe to control movements of a robot can be quite interesting, and may add intuitive interactive dimension to electronic projects. I have published in this blog several tutorials on 8051-based robot controlled with bluetooth-enabled cell phone. … Continue reading →

Introduction: With Mobile Processingg one can write J2ME apps that work in Blackberry phones. Sometime ago, I compiled a simple code that I found on the web that without any changes works perfectly in my Blackberry Bold 9900. The compiled app … Continue reading →

Objectives Implement  on actual hardware, a Xilinx Spartan 3 Starter kit board from Digilent, with VHDL code generated after having designed a simple car security alarm using StateCAD in part I. Requirements - Xilinx ISE Design Suite 14.2 – Digilent Spartan 3 Starter Kit board. Car Security Alarm Specifications … Continue reading →

Objectives In part I we have generated VHDL code from a State Diagram. We will now simulate the state diagram in order to debug it, and to ensure that it behaves as expected. In part III we will implement the … Continue reading →

Objectives Finite-state machine (FSM) or finite-state automaton design of a simple car security alarm using StateCAD, and implementation  on a Digilent FPGA Spartan 3 Starter kit board.. In this part we will generate the VHDL code. In part II we will simulate and in part III we … Continue reading →

Objectives Implement a simple car alarm on a Xilinx Spartan 3 Starter kit board from Digilent, using the VHDL code exported from Multisim 12.0 in our first part of this tutorial, In this second part we will implement and test … Continue reading →