Using the 74HC595 to control 8 leds (outputs) without giving up 8 ports on the arduino uno. Three outputs from the arduino are used to shift the data out in serial to the 74HC595 were it is then parceled out to each of its individual pins. You can link multiple registers together to extend your output even more, without giving up any more pins on the arduino.
This was the first experiment I did with Ken Shirrif’s Infrared Remote Control Library for the Arduino.
The circuit uses a TSOP382 IR photo sensor to receive the codes from the Clarion remote controller I had lying around. Once the code is received the program then decides which tone to play. In this example I have 8 tones set up, middle c through middle b. For added fun and visual effects I turn on a led for each of the notes as they are played.
[Read more…] about Playing Music With Remote Control
This is the first experiment I tried with the board of education arduuino robot shield. The experiment involves using Ken Shirrifs IR Library along with any IR Receiver. In order to use this example you will first need to determine what the IR codes are for the transmitter you wish to use. The examples/IRrecvDemo sketch in the library provides a simple example of how to receive codes. See Kens Blog for more info. [Read more…] about Infra Red Controlled Robot
Last night I put together the Nootropic design 16×32 RGB backpack from Adafruit to power a 16×32 display also obtained from Adafruit. [Read more…] about Nootropic design 16×32 RGB backpack from Adafruit