The Southackton group had a pretty good meetup last thursday. Lots of fun things going on. There were walking robots, autonomous wheeled robots, RF hacking of LightWaveRF remote control systems, arduinos, raspberry pis and more. Also, there was cake!
Benjie RF hacking
Mark supplying cake
Hacking some android hardware
. . . → Read More: Southackton meetup on Thursday
I had a spare Matrix Orbital 20×4 character LCD floating about so I decided to try and connect it up to my Arduino. The display is a LK204-25, which is a brilliant little serial display, with support for a 25 button keypad and six outputs that can be used to control power to something else.
. . . → Read More: Arduino talking to an I2C LCD display
Are you using an Arduino Uno on Linux? If so, you may have noticed that writing to the serial port in a loop can cause the Arduino Editor/Programmer software to appear to lock up, or even Linux having trouble using the serial port for your Uno.
It turns out there was a bug in the . . . → Read More: Fix your Arduino Uno for Linux
So you have played a bit with your Arduino, and have heard about other people using it to monitor the temperature, but weren’t sure how they did it – Here is how I did.
Maxim make a very simple 1-wire temperature sensor – the DS18B20 (the replacement to the DS1820). This 3 pin sensor looks . . . → Read More: Arduino 1-wire temperature sensors