Due to lot of homework, I haven’t found a lot of time to have fun electronic for some times. I decided to change this by building an cheap USB DAC with tube output. There is a bunch of USB DAC … Continue reading
tag: dac, tube, usb
For a Linux embedded training, I need to find something fun to plug on an AVR32 board. The board used for the training is a NGW100 board. I decided to try to use the I2C bus. I have several I2C … Continue reading
tag: arduino, I2C, linux, openwrt
I just received my mbed module. This little ARM device is pretty cool, and the associated tools works quite nice. Of course they cost a lot of money, I received mine for free for the mbed contest. Really kool no … Continue reading
tag: arm, mbed, rj45
One of the most common way to interface a microcontroler to a computer used to be serial port. But right now, serial port have been replaced with USB on most computers. A common way to fix this issue is to … Continue reading
tag: atmega, avr, rs232, usb
In my home, I have a bad TV antenna, so we use only the cable receiver to watch TV. But I have two TV sets. I decided to buy a video sender a couple of months ago, but never managed … Continue reading
tag: diy, infrared, transistor, video sender
Recently I decided to daily switch my main computer off. This computer was usually on all time, and consume a lot of electricity. So, I switched to a really small computer for common task: ssh-server, wake on lan (for my … Continue reading
tag: 1wire, arduino, munin, Python, vala
I bought a couple of months ago a little AVR Dragon card. My initial plan was to use it for debuging programs with the embbeded JTAG. But I run into several issue with that, mainly because the lack of doc … Continue reading
tag: avr, gdb, linux
Like a lot of hobbits, I don’t really like to solder SMD. It’s hard to solder with a normal soldering iron (even this can be done), and hot air soldering station cost a little. (around 180 Euros shipping included) I … Continue reading
tag: diy, solder
This is not the first time, I break a USB Drive. And I already heard some people complaining about the same stuff. But how is this possible ? Even if I use it a lot, memory and micro-controller are robust … Continue reading
tag: diy, usb
I recently bought 2 LCD from jckrers ebay store. I have a good idea for this stuff, but first I need to run several tests. This LCD are fine and use the common KS108 controller. My first thought was to … Continue reading
tag: avr, clock, diy, lcd