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I2C ADC Serial Audio
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| Name: | I2C ADC Serial Audio Board |
| CPU: | ATmega164PA |
| Status: | Complete and tested. |
| Summary: | The I2C ADC Serial Audio board is a general use 8 channel data acquisition
unit with additional interfaces. |
| Specifications | |
| Dimensions: | 3.8" x 2.5" |
| Power: | 9 VDC |
| Software | Master and Slave C Code |
| Schematic | I2C ADC Serial Audio Board |
Description
The I2C ADC Serial Audio board is designed to provide 8 channels of 10 bit analog data collection.
It includes two 5 bit digital I/O expansion ports each configured for 10 wire ribbon cables using
alternate signal and ground lines.
A 6 pin serial port configured to support FTDI/USB and Bluetooth modules is provided.
The board has a 0.5w @ 8ohm audio driver connected to a high speed PWM port though a 10kHz low pass
RC filter and volume control pot.
As with most boards, it also includes an ISP programming header, a +5 voltage regulator, and a status LED.
There is also a jumper to select +5v from either the onboard regulator or the I2C bus.
- 8 channel 10 bit ADC
- Two 5 bit digital I/O port with ground lines
- 0.5w @ 8ohm audio driver
- Serial port to support FTDI and Bluetooth adapters
- Status LED
- 5vdc regulated power (500mw)
- Two I2C headers
- Slave API for I2C interface
- ISP programming header
The board uses a 7-12v DC (9v DC typical) external supply for power.