RETRO Innovations

Tag: daughtercard

uIEC/SD Daughtercard v3.2 In Production

by on Apr.13, 2012, under Hardware Design

uIEC/SD Daughtercard v3.2

uIEC/SD Daughtercard v3.2

uIEC/SD Daughtercard v3.2 (side view)

uIEC/SD Daughtercard v3.2 (side view)

While replenishing stock of uIEC/SD daughtercards, I decided to improve the design a bit.  Hopefully, this version will eliminate the need to offer the original daughtercard option.

Features:

  • Buttons now on side of unit, for easier access.  Buttons can now be used on C128D/C128DCR when installed.
  • Operational Mini-USB connector.  If desired, power with a small Mini-USB phone charger
  • Complete 7805-based linear regulator section available for hobbyists.  Parts are not present on the board, but should be trivial to source (2 caps and an LM7805)
  • Oversized holes at front of board to allow PCB standoff usage.  When powered via MiniUSB, standoffs can be used to level the PCB.

The new daughtercard works with all uIEC/SD versions (3.0,3.1, and 3.2).  Stock will be arriving soon.  Production boards will have sorter switch posts, for some reason, I accidentally ordered taller ones for the prototype.

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