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Tag: 1802x-xprojects

Music Box

Music Box

This 1802 based music box plays several tunes encoded in EPROM. The speaker is driven by the Q line which is connected to a simple transistor circuit (visible at the top of the picture). The system too has been scavenged for parts. Note: I cannot remember why I would have painted the speaker white

http://cottageworker.com/wp-content/uploads/2014/05/

Author kenPosted on September 13, 2011September 2, 2014Categories 1802 projectsTags 1802x-xprojects, krpost, standalone

Telephone Dialer

Telephone Dialer

This is an 1802 based telephone dialer. The Q line drives a relay via a transistor circuit. The relay generates dial pulses. Telephone numbers are input via push button switches connected to the EF lines. Needless to say this system is no longer functional.

http://cottageworker.com/wp-content/uploads/2014/05/

Author kenPosted on September 13, 2011September 2, 2014Categories 1802 projectsTags 1802x-xprojects, krpost, standalone

Single Board Computer

Single Board Computer

One of several single board computer (SBC) 1802 systems used to control something or other around the house. This board has been scavenged for parts

http://cottageworker.com/wp-content/uploads/2014/05/

Author kenPosted on September 13, 2011September 2, 2014Categories 1802 projectsTags 1802x-xprojects, krpost, standalone

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  • YACC1 – Yet Another Custom CPU
    • YACC1 – Home Page
    • BUS/Motherboard
    • Memory
      • ROM-Switch Board (16 bytes)
      • RAM Latch Board
      • Memory Board large
    • ALU Board
    • Index Register Board
    • I/O Board
    • Sequencer Board Set
      • Sequencer logic
      • Sequencer memory
    • Test Board Basic
    • Test Board Complex
    • Software
      • Opcodes
      • Microcode
      • Assembler
      • BASIC
      • Emulator
    • YACC – Yet Another Custom CPU (all posts)
  • Other Projects
    • 1802 projects
    • Meter Clock
    • Other Projects
  • Business
    • EIR
    • Clippings
  • Methods
    • Othermill
  • Technologies
    • Clippings
  • Resources
    • Entrepreneurship Books
    • Other Books
  • About
    • Contact
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