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M100ROM: TRS-80 Model 100 Main and Option ROM adapter
by
twospruces.
2
layer board of
0.91x1.65
inches
(23.14x41.94
mm).
Shared on
March 28th, 2015 14:33.
ROM adapter for M100 my Mike Stein
see
http://bitchin100.com/wiki/index.php?title=M100ROM
This is an adapter board for TRS-80 Model 100. There are three use cases-
a) Early M100 - allow user to install an updated Main ROM using a 27C256
b) Early M100 - allow user to install an updated Main ROM and an Option ROM using a 27C512
c) Late M100 - allow user to install an updated Main ROM and an Option ROM using a 27C512 (because a late M100 is compatible with 27C256)
What you need-
soldering skills and equipment!
2 x 1N4148 or similar diodes, 1 x 10k leaded resistor
28 pins for adapting the board to the socket
either a 27C256 or 27C512, properly programmed
enchanted player speed sensor
by
jancumps.
2
layer board of
0.80x0.55
inches
(20.42x14.07
mm).
Shared on
March 28th, 2015 09:54.
element14 enchanted objectrs turntable speed sensor
ShiftPWM Led Strip Driver clone v2
by
julian.
2
layer board of
3.94x1.60
inches
(100.00x40.64
mm).
Shared on
March 28th, 2015 01:53.
Color Match - sensor board
by
hydronics.
2
layer board of
3.74x0.81
inches
(94.92x20.62
mm).
Shared on
March 27th, 2015 20:16.
updated sensor board to accept 0.7" reed swithces
OMSI - Vault, Clue Kiosk
by
hydronics.
2
layer board of
6.53x3.13
inches
(165.91x79.55
mm).
Shared on
March 27th, 2015 19:52.
Vault with larger through holes for the molex connectors