=  NOW 25 WPM  =  TEXT IS FROM APRIL 2020 QST  PAGE 36 =

IAMBIC PADDLES SEE THE LEAD PHOTO.  KEYER OPERATION THE FRITZING DIAGRAM IN
FIGURE 4 INCLUDES A MICROSD MEMORY CARD THAT CAN STORE GIGABYTES OF DATA,
COMPARED TO THE 240 CHARACTERS OF MEMORY IN THE HEATHKIT ORIGINAL.  THE
NEXTION BOARD IS IN THE UPPER RIGHT.  THE KEYER PROGRAM, OR SKETCH, MOSTLY
REPLICATES THE FUNCTIONS OF THE ORIGINAL UMATIC AND THEN EXTENDS THAT
FUNCTIONALITY.  THE SKETCH IS OPEN SOURCE, AND I EXPECT OTHERS TO ADD
FEATURES.  WHEN YOU TURN THE KEYER ON, YOU FIRST SEE A SPLASH OPENING PAGE
THAT SHOWS THE TIME AND HAS ACCESS TO AN ABOUT BUTTON THAT CREDITS SOME OF
THE FOLKS WHO POSTED MATERIAL ONLINE THAT HELPED ME WITH THIS PROJECT.  THE
SPLASH PAGE CLEARS ITSELF AFTER ABOUT 5 SECONDS, OR YOU CAN TAP IT TO CLEAR
IT, AND THEN IT DISPLAYS THE MAIN PAGE SEEN IN FIGURE 1.  THE BOTTOM HALF
OF THE MAIN SCREEN DUPLICATES THE KEYPAD LAYOUT OF THE HEATHKIT ORIGINAL.
MOST OF THE FUNCTION KEYS WORK AFTER YOU HAVE PRESSED ONE OR TWO NUMBER
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