Known problems with the schematic were fixed or improved.
The incoming voltage, which had been routed to the Vcc of the Arduino Pro Mini was changed so the Arduino was supplied solely by the vcoltage regulator chosen to power the whole board. The regulator on the Arduino will not be used.
The six header pins used for relaying sound pulses were replaced with two sets of four head pins. This arrangement allows the circuit board to be arranged as a 1x8 or 2x4 configuration. Raw input voltage and regulated 5.0VDC was added to the pin cluster.
Th name "Volume Control" on two potentiometers was changed to "POTENTIOMETER" to avoid confusion since one will act as a debugging potentiometer connected to the Arduino.
The analog pin used to select between normal operation and alternative operations was given a second pin with 5.0VDC. The three-pin arrange of headers allows for future hackers to use a potentiometer in place of a simple jumper for other purposes.
The rest of the posts for this project have been arranged by date.
This blog, including pictures and text, is copyright to Brian McEvoy.
2015-01-29 (Th)
The incoming voltage, which had been routed to the Vcc of the Arduino Pro Mini was changed so the Arduino was supplied solely by the vcoltage regulator chosen to power the whole board. The regulator on the Arduino will not be used.
Preferred arrangement of incoming voltage
The six header pins used for relaying sound pulses were replaced with two sets of four head pins. This arrangement allows the circuit board to be arranged as a 1x8 or 2x4 configuration. Raw input voltage and regulated 5.0VDC was added to the pin cluster.
Preferred number and arrangement of aux sound pins
Th name "Volume Control" on two potentiometers was changed to "POTENTIOMETER" to avoid confusion since one will act as a debugging potentiometer connected to the Arduino.
Renamed potentiometers
The analog pin used to select between normal operation and alternative operations was given a second pin with 5.0VDC. The three-pin arrange of headers allows for future hackers to use a potentiometer in place of a simple jumper for other purposes.
Three pin cluster for alternative mode selection
Current schematic
To do:
- Create circuit board
- Designate all components
- Design schematic of components
voltage regulatorsRename "Volume Control" to "Potentiometer"power terminals- mother-daughter board connectors
auxiliary posts for musical devicesjumper for alt modes- Design layout for single layer board
- Make a parts list with links
- Order parts list
- Print circuit board
- Install components
- Test + Verify
- Make all documentation public
Journal Page
A list showing of all the final posts of COMPLETED projects.
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2015-01-29 (Th)
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