Now that I got my recycled 40×2 character LCD working with Arduino, the next step is to get it to show something useful. I decided to add it to my Bluetooth Controlled robot and display data from its two ultrasonic …
Arduino controlled LCD using a shift register and the SPI library Read more »
A couple of days ago I came across a discarded Meridian PBX phone and naturally, took it apart. Among some of the more promising salvaged components was a 40 x 2 character LCD. There was a ribbon cable attached to …
Controlling a 40 x 2 character LCD with Arduino Uno and the LiquidCrystal Library Read more »
An Arduino Uno controlling a small robotic arm that sorts balls in their respective containers based on the ball colour. A TCRT5000 IR sensor is used for basic colour detection. I’ve made some progress over the weekend. Check it out…
This is the second part of the tutorial on how to program an AVR ATTiny85 chip with Arduino Uno. All the hard work has already been covered in Part 1, so make sure that you have completed the steps in …
How to program ATTiny85 with Arduino Uno (part 2) Read more »
I recently bought the OWI 3 in 1 ATR (all terrain robot) kit from Amazon. What got my attention was its potential for hacking and re-use of its components. In the “Rover” mode the unit is pretty tightly packed. There …
The Rover from the OWI 3 in 1 ATR kit enhanced for climbing Read more »
Experimenting potential configurations for a mechanical arm. Motor + screw as actuator. To do: – Stop motor when the clamp grabs something (without crushing it) – Add servos for 2 axis movement The planned steps for this project actually are: …
UPDATE, November, 2015: The article below was written for Arduino IDE versions, prior to 1.6.4. If you are currently using Arduino IDE 1.6.4, or later, follow the instructions in blog post instead. This tutorial is based on the steps I …
How to program ATTiny85 with Arduino Uno (part 1) Read more »
We held our first line following competition last week. We knew ahead of time that right angle turns may cause some issues, so we set up a few to see what happens. We did have some challenges, like you can …