Dejan Levec

Hardware

Compiling programs for OpenWRT

When I was trying to compile my first OpenWRT program I searched around the web, but didn’t found any useful (at least to me) tutorials/guides that would help me. After spending a few hours behind a computer and figuring out how to do this I found the easiest way to do it. The are two […]

Heating controller – Triac board

Hi, I successfully designed, etched and build triac board for my central & water heating controller. Board is divided into two parts: Triac & optocoupler part Power supply part   Board features four BTA12 triacs that are driven by MOC3063 optocouplers and have snubber circuit. Optocouplers input will be controlled via MSP430 microcontroller. Power supply […]

STM32F4 Discovery board

I bought STM32F4 Discovery board from Farnell two months ago, but I got to it only two days ago. After testing some examples and trying to interface with ENC28J60 Ethernet Controller, I quiclky found out, that free versions of development tools cannot build executables bigger than 32KB. So I decided to install toolchain on Ubuntu […]

RFID Reader

Code Latest source code is available at http://www.dejanlevec.com/code/Microcontrollers/RFID-Reader/14-Jun-2009/. Hex file is available only for ATmega8 at 16MHz. Host executable is available only for Intel Macs with latest software update. Currently you need to request ID from a device. Example: ./set-led status Receiving ID when tag is scanned is still in progress. (I have some problems […]