AVR LC Meter With Frequency Measurement
I have been thinking about building an LC meter for a while since I do not have a multimeter that […]
My New DS1052E Oscilloscope
I used to own an all-transistor, single channel 10 MHz analog oscilloscope. While it was not adequate by nowadays standard, […]
I2C Data Logger Using ATmega328p and DS3232 – II
In my last blog post, I showed you the schematic of a I2C data logger I built. Here I will […]
I2C Data Logger Using ATmega328p and DS3232 – I
There is a popular data logger shield out there designed for Arduino using a DS1307 real time clock chip. And […]
ZIF Arduino Prototyping Board
The official Arduino Duemilanove board is an excellent tool for prototyping. For most of the users, it is a very […]
A High Current TRIAC Controller Using Arduino
One of the goals in my previous timer project was to achieve the ability to control multiple electronic devices using […]
A Digital Level Using Accelerometer
To measure how flat a surface is, you typically will need a level of some sort. In this article, I […]
POV And POV Image Encoder
One of my recent projects was to build a POV display device. There are already many microcontroller based POV devices […]
Apache2 Logrotate
Whenever I setup a new web server, I always like the idea of keeping the Apache logs roated on a […]
Weekend Server Upgrade – Update
Well, there is an old saying:“There’s no such thing as a free lunch.” After yesterday’s server upgrade, everything worked pretty […]
Weekend Server Upgrade
I have finally got around to upgrade my web server. The server I have been using was an old Pentium […]
An Arduino Compatible Using CP2102
Standard Arduino boards use FTDI’s FT232RL to interface with computer’s USB port. Since FT232R is just a USB to UART […]
Clock Synchronization Via I2C (TWI)
When I was doing the clock/stop watch project last month, I mentioned that I intended to add I2C (TWI) communication […]
The Case For Using Parallel Programmer
This is what I ran into for the first time: I was flashing the chip the other day and after […]
Invoking DS89C430/450 ROM Loader Using Arduino
DS89C430 and DS89C450 are two ultra-high-speed 8051-compatible microcontrollers from Maxim Integrated Products. One unique feature of DS89C430/450 microcontroller is that […]