Monthly Archives: January 2009

Wind-Up Robots

I love these wind-up robots of mine! Now all I need is the B9 from ‘Lost in Space’, R2D2, and C3-PO!

Posted in robot, toy, wind-up | Leave a comment

MEMS 2-Axis Accelerometer

I picked up a Memsic 2-axis accelerometer from the sensor drawer at radio shack. I’ve never used an accelerometer before and this one uses MEMS technology. I hooked it up to my BS2-IC via breadboard and uploaded a maze game. … Continue reading

Posted in accelerometer, atmega, AVR, Basic Stamp, BS2, c, digital, MEMS, parallax, programming, sensor | Leave a comment

Wireless programming with Roboduino and XBee

Wireless programming with Roboduino and XBee

Posted in AVR, programming, roboduino, wireless, xbee | Leave a comment

Free upgrade to my electronics tools

I recently received a postcard in the mail from the HR department where I work. They often send out mailings that go straight in the trash, but the thing that caught my eye on this one was an offer for … Continue reading

Posted in kester, smd, solder, tools, weller | Leave a comment

Battery Monitor – Voltage Divider Circuit

There are many IC’s out there that can do what is called “gas gauging” to monitor how much battery is left in your robot, just like in mobile phones. Since I am somewhat new to electronics, I wanted to learn … Continue reading

Posted in battery, capacitor, resistor, sensor | 3 Comments

Homemade Benchtop Power Supply

For all my robotics and electronics prototyping needs!! For Christmas, my step-mother received a new laptop, that being said there is always old junk that needs to go. (I always can think of way to put old desktops and laptops … Continue reading

Posted in atx, power, regulated | Leave a comment

Adding a Parallax Ping to an AVR using C

Introduction I chose to go with the Parallax Ping Ultrasonic Sensor for this upgrade to my robot. Though only tested on an ATmega8, 168, and 128 this should port over to any AVR 8-bit RISC microcontroller. The reason I chose … Continue reading

Posted in atmega, atmel, AVR, c, digital, parallax, ping, programming, sensor, sonar, sonic, ultrasonic | 7 Comments