Run the SL030 RFID reader on linux

I need to use the SL030 RFID reader on linux (on a beaglebone with i2c support enabled, of course). But when I tried to communicate with the device using i2cget, the device failed and disappeared from the detected devices… After the break, we’ll see why and how I solved it.…

Led matrix hack story

At Le Loop hackerspace, we often get broken, old or unwanted weird devices. Then recently we were given two Led Matrix displays with a technology from the 80s. First one was a one line with red led display and the second one was a green multiline display. So, here is a little story on how I managed to pwn them.…

Open Light Dimmer: First try

Back in high school, I had the luck to get some experience and learn many things about stage lightnings. But, as I was already computer-litterate at that time I was amazed to discover that at the ethernet era, the protocol used for controlling lights was still DMX-512 based on RS485 serial line over a 3 points XLR. Because the DMX network configuration is a daisy chain, it looked to me a lot like BNC-based 10 base-T computer networks… with cable length, line terminals… being one’s worst nightmare.…