Monthly Archives: April 2011

Interfacing the BeagleBoard with an ATtiny85 Microcontroller over I2C

Posted on April 12, 2011 by

The next part of my project involves connecting a dozen or so sensors and actuators to the BeagleBoard, ideally in a modular, extensible way. The obvious way to do this is use some  microcontrollers, and interface them with the BeagleBoard … Continue reading →

Posted in BeagleBoard, Electronics, I2C, Microcontrollers | Tagged , , , , , | 3 Comments

Programming an ATtiny85 Microcontroller with the AVRISP mkII

Posted on April 8, 2011 by

The ATtiny85 is an 8 pin microcontroller, complete with 8KB of flash, and 512 bytes of EEPROM and SRAM. It also has some hardware support for I2C (otherwise known as TWI), which makes it ideal for my current project. Here … Continue reading →

Posted in Electronics, Microcontrollers | Tagged , , , | 3 Comments

Interfacing the BeagleBoard with an SRF08 Ultrasonic Ranger over I2C

Posted on April 7, 2011 by

The SRF08 is an ultrasonic ranger with a 3cm-6m range, and an I2C interface. It’s fairly straightforward to hook it up to a BeagleBoard using the I2C bus exposed on pins 23 and 24 of the expansion header (see page … Continue reading →

Posted in BeagleBoard, Electronics, I2C | Tagged , , | 7 Comments

Surface Mount Soldering Made Easy(ish)

Posted on April 5, 2011 by

I’ve been playing around with electronics for a while, making do with my trusty breadboard for prototypes, and occasionally some veroboard if I wanted something more permanent. Unfortunately times are changing, and fewer and fewer interesting components are being made … Continue reading →

Posted in Electronics | Tagged , , , , | 4 Comments