Content for PCB

USB Audio Streamer A Microchip PIC based USB sound card

“The sound card runs at a sample rate of 48KHz, 32KHz or 24KHz selectable by the OS with 12 bits per sample. The quality approaches commercial grade as the sample rate is higher then CDs. 44.1KHz was not implemented …

0-20V Bargraph Voltmeter

“0 20V LED Voltmeter kit displays the voltage of the source using 20 LEDs. This projects is based on the famous LM3914 IC from National Semiconductor.”

Accelerometer Dice with 123D Circuits

“This is the project that got Autodesk’s CEO Carl Bass a little extra attention from the TSA on his way to MakerFaire Tokyo. Here’s an article about that… We made this as way to demo a few things …

AMQUMO: A Xively AMbient QUality MOnitor built on ATmega328

“AMQUMO is an Indoor AMbient QUality MOnitor.”

Atmega8 Development Board

“Atmega8 Development Board provides a very simple and cost effective platform for prototyping solution. The compact design provides connection to all the pins of the microcontroller for the user.”

Hacking a Dell power adapter final (not really)

“With this project, you power adapter will be reporting false information which may not match the original design. This may cause severe results such as file or damaging your laptop. Do it on your own risk!!! As I mentioned in …

Introducing the BusinessCarduino, worlds most versatile business card?

“At Interactive Objects, we needed a new business card. Business cards have been the method of leaving a token for keeping in touch. Despite all the prophets declaring it dead every decade with vCards, Bumps, etc., the traditional, physical business …

IO expander board

“I/O Expander Board offers a convenient way to interface upto 16 I/O pins in your project using SPI/I2C bus. This kit uses the famous MCP23S17 IO chip from Microhip.”

NRF24L01+ ATmega328P-PU Radio Sensor

“This project began as an attempt to create a custom sensor board that functioned with an nRF24L01+ radio transmitter. I was tired of looping wires around an Arduino Uno. I thought I could create a custom solution in a fairly …

PIC16F/18F Experiment Board, 28 Pin DIL

“The PIC16F/18F Experiment Board is a small experiment board which can be used with any 28 pin PIC16F or PIC18F. It consists of a power supply, the basic components for running the microcontroller (i.e. crystal, reset pin, …) and …