bruzed.com » Physical Computing

fr3shb0t

bruzed — Sun, 17 May 2009 03:25:55 +0000

fr3shb0t was created as the final project for the physical computing class. It uses SpeakJet, TTS256 and PIC16F88 microprocessors and an ultrasonic rangefinder. If someone comes close to fr3shb0t, he gets excited and hits on them! He says “Hey, good looking!”

Speakjet demo mode

bruzed — Tue, 28 Apr 2009 14:05:58 +0000

The first step of my talking robot project – test whether this Speakjet chip works! Strangely, I couldn’t find much help on rigging up the demo/ test mode for the chip so here it is. I used a AA battery pack to power the breadboard and an LM386N op amp to hookup an 8? speaker to get sound out of the chip. The chip circuit is the demo circuit on the Speakjet datasheet and op amp circuit is the gain=20 circuit from the op amp datasheet.

Scaling a circle with a potentiometer

bruzed — Tue, 14 Apr 2009 13:48:45 +0000

Scaling a circle in processing with potentiometer through serial communication from a pic chip.

BurnMeBunny

bruzed — Tue, 31 Mar 2009 04:05:14 +0000

This cute little blue bunny goes insane and flails his arms when it’s tummy is warm. It has 2 servo motors for the arms and a thermoresistor to sense the heat. Clay and me made this for a physical computing assignment.

Controlling the servo with a potentiometer

bruzed — Tue, 24 Mar 2009 15:15:54 +0000

Circuit for controlling a servo motor with a potentiometer.

Pulse Width Modulation with PIC

bruzed — Fri, 20 Mar 2009 05:44:09 +0000

One of the spring break assignments for pcomp. Pulse Width Modulation with the PIC chip.

Photocell readings on the LCD

bruzed — Tue, 17 Mar 2009 18:40:21 +0000

This circuit uses a photoresistor with the PIC chip to display the signal on the LCD.

LCD with PIC and PISO

bruzed — Tue, 17 Mar 2009 18:37:03 +0000

This circuit uses the PIC and a SIPO shift register to display button on/off on the LCD screen. The code was provided by the instructor and I built the circuit.

PIC chip and SIPO to control LED sequence

bruzed — Tue, 17 Mar 2009 18:32:49 +0000

In this circuit the PIC chip controls a second chip SN74HC164N for a SIPO shift register to control the LED’s. I built the circuit and the code was provided to us by our instructor (Joel Murphy).

PIC chip and LED’s

bruzed — Tue, 17 Mar 2009 18:27:03 +0000

The first 3 pictures are a code lock using LED’s built in class. When the right code is entered using the buttons the green LED lights up and you can reprogram the code. If the wrong code is entered the red LED lights up. I built the circuit and it uses the program written by our instructor Joel Murphy. The last 2 pictures are of a blinking LED which I built and programmed for homework. Here’s a video of the blinking LED sequence.