[KLQRP] A Knightlite challenge

[Bob Kellogg]

Guys,

I just bought some 3-1/2 digit multimeters from Harbor Freight.  These 
meters are just crying to be reworked.  They were cheap and they contain 
all of the electronics needed to make at least the following panel meters:

DC Voltmeters,  1000V, 200V, 20V, 2000mV, 200mV
AC Voltmeters, 750 V, 200V
DC Ammeters, 10A, 200mA, 20mA, 2000uA, 200uA

Of course, the meters also measure resistance, but I can't think of a 
panel meter that needs that capability.

Anyway, here's the Knightlite challenge:  Design a slick rework to 
convert the  Multimeter to a panel meter.  (now, I know we could just 
mount the whole meter to the front of a panel, but that won't count.  We 
need to just have the LCD showing on the panel)

I'll bring some multimeters to the next QRPigOut (Thursday, March 20) 
and anyone who accepts the challenge will get a free meter to work with.

A couple of notes to our far flung Knightlites who may buy their own meters:
The rotary switch mechanism has two small spring loaded ball bearings 
which can be easily lost.  They are between the rotating part of the 
switch and the case.
All parts, including the contacts for all switches and the LCD, are on 
the circuit board, which is actually a two part double sided board.

-- 
Best Wishes,

Bob Kellogg, AE4IC
Greensboro, NC
Prolably, not nececelery - Benny Hill