Posts from John Payson in

< February > 1999

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Thread / Posts

"Linear" Optoisolators 19^th 1

[OT] micro mini air solenoids 15^th 1 24^th 1023

[OT] 6502 question 24^th 1

[OT] Cheap Graphical LCD Source Needed 4^th 1

[OT] Different Computer systems 8^th 1

[OT] driving IR LEDs 24^th 1

[OT] electret microphone preamp 5^th 1

[OT] Programming PC Serial ports 24^th 1

[OT] Re: Y2K Compliance 18^th 1

[OT]Low Battery Level? 3^rd 1

[OT]Re: Failure modes (was: wierd jump) 10^th 1 11^th 110

[OT]Re: TIP - ZIF socket 1^st 1

[SOT] RS232 communication blew up my computer... 18^th 1, 80 23^th 537 24^th 678

12C508 calibration... 8^th 1

Batterys!! 15^th 1

chime tone chip? 2^nd 1

Code protection and flash 25^th 1

DRAM 16^th 1 17^th 174

Encode 4 keypad digits into 12 Bits? 24^th 1

Failure modes (was: wierd jump) 10^th 1

Fingerprint "reader"/CRC's 17^th 1

FPGA's, FPLD's, etc. 25^th 1

Good board Mfr & price guesstimate 26^th 1

LCD modules, why does CONTRAST need to be adjustab 17^th 1

Looking for short range RF TX/RX for data, cheap c 3^rd 1

Manchester Code 25^th 1

PIC A/D, pre-amplify small singnal more than large 25^th 1

posting schematics as pspice model 26^th 1

Power factor? 15^th 1

Problem with 74HC165 shift registers/ How to use H 1^st 1 4^th 351

Robust Software: 15^th 1 18^th 362

Serial directly to Ming xmitter. 9^th 1

Simple, fully functional DTMF decoder 26^th 1

Telephone use & time calculation 9^th 1 10^th 133

To C or not to C 8^th 1

To TRIS or not to TRIS. THAT is the question. 18^th 1

Unused pins 19^th 1

what capacitors to use with an 8mhz crystal? 18^th 1

wierd jump (HiTech compiler/Tech-Tools emulator) 5^th 1 8^th 185

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