2015-01-31 (Sa) Color/Touch + Sound

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.

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:
  1. Create circuit board
    1. Designate all components
    2. Design schematic of components
      1. voltage regulators
      2. Rename "Volume Control" to "Potentiometer"
      3. power terminals
      4. mother-daughter board connectors
      5. auxiliary posts for musical devices
      6. jumper for alt modes
    3. Design layout for single layer board
  2. Make a parts list with links
  3. Order parts list
  4. Print circuit board
  5. Install components 
  6. Test + Verify
  7. Make all documentation public

Journal Page

The rest of the posts for this project have been arranged by date.

A list showing of all the final posts of COMPLETED projects.

This disclaimer must be intact and whole. This disclaimer must be included if a project is distributed.

All information in this blog, or linked by this blog, are not to be taken as advice or solicitation. Anyone attempting to replicate, in whole or in part, is responsible for the outcome and procedure. Any loss of functionality, money, property or similar, is the responsibility of those involved in the replication.

All digital communication regarding the email address 24hourengineer@gmail.com becomes the intellectual property of Brian McEvoy. Any information contained within these messages may be distributed or retained at the discretion of Brian McEvoy. Any email sent to this address, or any email account owned by Brian McEvoy, cannot be used to claim property or assets.

Comments to the blog may be utilized or erased at the discretion of the owner. No one posting may claim claim property or assets based on their post.

This blog, including pictures and text, is copyright to Brian McEvoy.

2015-01-29 (Th)