In most keypads, pressing a key closes a contact that bridges two lines in an xy matrix. If you use a microcontroller to detect a key closure, checking the states of (x+y) lines requires an equal ...
This idea builds on a previous IFD, "Connect Any Keypad With Any Microcontroller Using Only One Pin" (electronic design, May 1, 1998, p. 126), where a 555 timer connects a keypad switch matrix to a ...
Woodcliff Lake, NJ and Katowice, Silesian District, Poland, December 20, 2013 -- CAST, Inc. has forged a new technology partnership with start-up Silesia Devices Sp. z o.o., and has streamlined its ...
At the introduction of the 12,000 gate 32bit ARM Cortex M0 recently, an ARM spokesman told EW the M0 was close to the 10,000 gates normally occupied by the 8bit 8051 microcontroller. Inspired by this, ...
AUSTIN, Texas, August 23, 2005 – Silicon Laude (pronounced “laudee†) announces the availability of the world’s first, and only, radiation-hardened and radiation-tolerant MCS8051 ...
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