Posts in category 'projects'
This is a description of my first useful Arduino project - The Finger.
The external USB drive that's a backup device to my Mac Mini media server doesn't cope well with being on 24/7 ...
The following describes a quick project to create 'music' (ok 'sound') with a piezo-electric transducer driven directly from an AVR microcontroller and as few other components as possible.
Driving the Piezo-electric transducer.
Just about all AVR microcontrollers have one or more counters/timers that can be driven from the main clock or an external signal ...
My soldering iron is dirt cheap, low power and pretty poor for soldering SMT components ...
The Level converter PCB has finally arrived from BatchPCB ...
In a previous article I described insulation of a mini/toaster oven with the aim of using it for table top reflow soldering ...
My Apple Time Capsule runs hot - approaching 50°C to the touch - this isn't helped by the lack of space it has and the Apple TV stacked on top (I've added some legs to give some space below and above for air to flow ...
Two previous articles described the my attempts to create a Reflow Oven.
I finally thought it time to document the final construction.
Thermocouple
Reading a K-Type Thermcouple from a microcontroller with a MAX6675 chip was described here ...
andrew @ rocketnumbernine.com
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Checkout phatIO an IO device that looks like a USB filesystem
Set a pin to 5V by saving "1" to its control file, set it back to 0V by saving "0".
Control LCD and LED displays by writing the data to display to a file.
Communicate with TWI, and SPI and other devices by writing data to a file.
Videos, reference and more at phatIO
Set a pin to 5V by saving "1" to its control file, set it back to 0V by saving "0".
Control LCD and LED displays by writing the data to display to a file.
Communicate with TWI, and SPI and other devices by writing data to a file.
Videos, reference and more at phatIO
