Posts from Spehro Pefhany in

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[AD]: Going to Asia, need any work done?  Aug 26th 1, 8
[AD]: or [OT]: Amateur Scientist CD/Scientific Ame  Oct 23th 1
[BUY]: 650VAC Transformer  Oct 2nd 1 3rd 35 4th 113
[BUY]: AD594  May 14th 1
[BUY]: Low cost PCB etc. & programming design serv  Mar 22th 1
[BUY]: RTL logic circuts MC 660 and MC 672  Feb 19th 1
[BUY]: Vacuum fluorescent displays  Oct 9th 1, 27, 22
[BUY]: Where can I get PIC16C7x5/JW part?  Feb 10th 1
[EE] : amplifier using hex inverter ??  Jan 5th 1
[EE]: Allocation site?  Feb 9th 1
[EE]: Knock sensor interface...  Jun 12th 1, -2
[EE]: Packaged Solid State Relay  Feb 22th 1
[EE]: PID controllers (was PWM motor control)  Feb 22th 1
[EE]: (Followup) Having difficulty interfacing a c  Jul 31th 1, 10
[EE]: +-15V Square Resistor value?  Apr 4th 1
[EE]: 0-5V Air Flow Sensor  Apr 4th 1, 83
[EE]: 1 chip madness  Jul 21th 1 22th 31
[EE]: 555 with a duty cycle < 0.5 ??  Mar 14th 1
[EE]: 7805 replacement  Jun 2nd 1, 38
[EE]: 7912/7905  Mar 9th 1, 39
[EE]: 8051 32x16 bit divide algorithm?  Feb 19th 1, 24, 71
[EE]: AC Voltage Compensation  May 8th 1, 46
[EE]: Battery charger design  May 22th 1, 58, 56, 95 23th 251
[EE]: Bulb Life  Jul 3rd 1 4th 64, 104 11th 643, 647
[EE]: Bulb Life -- Burned out bulb resurected  Jul 16th 1, -2511
[EE]: Bulb Life (x:Modulating headlight)  Jul 2nd 1
[EE]: Bulb to erase UV chips?  Oct 12th 1
[EE]: Can Anyone Identify and Source these Parts?  Sep 30th 1
[EE]: Capacitor Charge  Feb 21th 1
[EE]: Cheap schematic software  Jun 15th 1
[EE]: CHEAP voltage sensing??  Oct 18th 1
[EE]: Cheapest OTP/Flash micro with BOR/reset and  Jul 26th 1, -4
[EE]: DC (0 to 0,2V) voltage amplifier with single  Nov 2nd 1 5th 177
[EE]: DC-PM motor, speed vs torque?  Aug 7th 1
[EE]: Decapsulation  Jul 13th 1
[EE]: Design Challenge - low power step down switc  Aug 22th 1
[EE]: detecting milk froth  May 26th 1 28th 85 Jun 1st 793
[EE]: Difference between LM565 and 4046?  Apr 20th 1
[EE]: Displays  Jul 2nd 1
[EE]: Does anyone have a circuit to power a PIC fr  Oct 22th 1
[EE]: Dual digit LED display  Mar 27th 1
[EE]: eprom programmer needed for 2708 eproms  Feb 3rd 1
[EE]: Exciting new touch & proximity technology  Oct 31th 1
[EE]: FCC Part 15 approval/band selection  Jul 4th 1 7th 314 8th 341, 356, 361
[EE]: FET failure from mechanical stress  Jun 23th 1, 15
[EE]: Fitting Curvaceous Curves  Jan 31th 1, -57
[EE]: good vibrations  Aug 31th 1, 37
[EE]: Having difficulty interfacing a current sens  Jul 29th 1, 3196, 3205, 3218, 3200 30th 3305
[EE]: high res DA challenge  Feb 3rd 1 7th 15004
[EE]: High Voltage Transistors or Op Amps..  May 31th 1 Jun 1st 140
[EE]: How does one measure power in an ultrasonic  Feb 10th 1
[EE]: How to control a 24V solenoid with a PIC and  Jul 23th 1, 21 24th 58 25th 93, 81
[EE]: How to make a PIC control de rotation and di  Jun 28th 1, -1
[EE]: IGBT Help  Nov 8th 1 9th 178
[EE]: Intel 8749 microcontroller  May 15th 1, -6, 3
[EE]: IRL540 MOSFET Question  Jul 17th 1
[EE]: KTY10-2  Jun 3rd 1
[EE]: Lamp S-Curve Table  Sep 16th 1
[EE]: LED as a photodiode- theory  Jun 6th 1
[EE]: LM35 Woes  Jul 25th 1, 21, 113
[EE]: LM3909 LED Flasher Obsolete?  Oct 10th 1, -9
[EE]: Looking for 4-20mA to digital converter  Feb 5th 1
[EE]: Lowest cost microcontroller  Feb 16th 1 17th 53 20th 384 21th 432, 452
[EE]: Making of Large PCB  Nov 10th 1
[EE]: MAX7651 future 8051 compatible product?  May 31th 1 Jun 1st 308
[EE]: Modulating a headlight  Jul 1st 1 Sep 2nd 5087
[EE]: Mosfet N-Chanel switching  Oct 14th 1
[EE]: Multiplex LED and switch on I/O pin  Sep 24th 1 26th 232 27th 277
[EE]: NiCd Battery Charging (New Topic!)  May 24th 1
[EE]: NiMH batteries  May 16th 1
[EE]: nixie tubes  Feb 28th 1, -6
[EE]: Numbers :-)  May 27th 1
[EE]: Optrex datasheets?  May 12th 1
[EE]: PC power supply  Jun 3rd 1, 18
[EE]: PID controllers (was PWM motor control)  Feb 22th 1
[EE]: Pin-out for a LM317 in TO-92 package  Sep 27th 1
[EE]: powering LEDs from 24V DC  Nov 25th 1
[EE]: powering LEDs from AC power line.  Sep 28th 1, 42, 28
[EE]: Powering LEDs from AC power line.  Oct 2nd 1
[EE]: powering LEDs from AC power line.  Oct 5th 1, -18, 34
[EE]: Programmable UJT transitor  Jul 12th 1
[EE]: Programmer's Calculators  Oct 22th 1 23th 187
[EE]: Re: Humidity Sensor  Sep 23th 1
[EE]: Re: How to control a BIG inductive load?  Jun 7th 1, 48
[EE]: Re: U664B  May 21th 1
[EE]: RMS Voltage to PP Voltage Conversions  Oct 8th 1
[EE]: RS232 caps  Jul 9th 1
[EE]: RS232 voltage specifications  May 7th 1
[EE]: RX/TX LED Drive  Aug 3rd 1, -4, -6, 18
[EE]: Schematics  Aug 15th 1
[EE]: Searching for Digital Potentiometer with  Feb 17th 1
[EE]: Searching for Digital Potentiometer with hig  Feb 17th 1
[EE]: Secrets to getting best prices on electronic  Jul 18th 1
[EE]: Simple transistor question  Feb 11th 1, 3
[EE]: SMT Toaster Oven  Jul 5th 1
[EE]: Snubber network for Triac  Feb 27th 1
[EE]: Snubber network for triac  Mar 2nd 1
[EE]: Solid state relay difficulty  Aug 2nd 1 3rd 287
[EE]: SOT23 marked S4  Feb 8th 1
[EE]: Taking reading from 7-segment BCD (TC4511)  Mar 28th 1
[EE]: Tilt switch replacement  Jun 27th 1
[EE]: tiny power supply  Aug 16th 1
[EE]: Transformerless PSU  Jul 26th 1, 33 27th 140, 164
[EE]: Underwater RF  Jul 10th 1
[EE]: USA unlicensed bands  Jul 17th 1, 4
[EE]: Using a PIC to control medium current loads.  May 13th 1, -21, 0, 26
[EE]: Voice Playback for "Novelty Toys"  Aug 6th 1
[EE]: Voltage follower at 5VDC  Jul 19th 1 21th 145
[EE]: Voltage regulation for circuits with relays,  Jul 9th 1, 46, 41
[EE]: Voltage shifting to read negative values in  May 14th 1, -36
[EE]: what is this part ?  Oct 3rd 1
[EE]: Zener Diode Speed  Mar 9th 1
[EE]:[OT]: Bulb Life and Practical Jokes  Jul 6th 1
[EE]:blill CHECKER for uv eraser?  Jul 13th 1
[EE]:Capacitor Charge  Feb 19th 1
[EE]:Carbon Monoxide detector?  Sep 20th 1
[EE]:CrossPad Theory  May 21th 1
[EE]:Embedded system ,RTOS  Aug 9th 1
[EE]:Farads versus milliamp-hours  May 25th 1
[EE]:humidity sensors  Sep 27th 1
[EE]:Power transformer question  Sep 9th 1
[EE]:Proto Boards  Mar 28th 1
[EE]:Soldering piezos  Jul 22th 1 23th 116
[EE]:Torque... on a battery??  Apr 14th 1
[OT]: [JOKE] Modern life in the USA  Mar 1st 1
[OT]: Absolute Truth?  May 16th 1
[OT]: Audio Analog Multiplexer Needed  Aug 8th 1
[OT]: Bad art (was: Design Challenge - ...)  Aug 31th 1
[OT]: Bad art (was: Design Challenge - ...) - A Qu  Aug 31th 1
[OT]: Blinking LED softly....  Jun 5th 1, 26
[OT]: Canoe Speedometer  Sep 5th 1, 6
[OT]: Components in Budapest  Jun 25th 1
[OT]: Desoldering 16F877  Jun 5th 1 6th 204 7th 328 9th 417
[OT]: Detecting a flying mosquito  Jun 14th 1
[OT]: documenting embedded software  May 23th 1
[OT]: ENOUGH! (was: "Re: [OT]: Brain Burp Rounding  Jun 5th 1, -18
[OT]: Farnell online shopping in North America?  Jul 20th 1
[OT]: Finder's fee  Sep 21th 1
[OT]: Good Black Friday excursions / Things to see  Apr 25th 1
[OT]: Heads up! Lots of Virus incoming?  Jul 23th 1 25th 119
[OT]: Hot LM7805A cause strange behaviour?  May 7th 1, 8, 10, 34, 36, 41
[ot]: how DO you maesure vibration ??  May 30th 1, 17
[OT]: How to heatsink a lot of power electronics?  Aug 29th 1
[OT]: How to knock a missile out of the sky...?  Feb 7th 1 8th 8741
[OT]: How to print words on enclosure box?  Jul 31th 1
[OT]: It's a girl :-)  Jul 29th 1
[OT]: It's a girl :-) problems  Jul 31th 1
[OT]: Looking for metal material suppliers for hob  Jul 11th 1
[OT]: Making of a C compiler  Jul 5th 1, 6
[OT]: Microchip facilities pictures/Chandler AZ  May 7th 1
[OT]: Mirrors  May 20th 1
[OT]: Need info on HDD spindle + VCM driver chip.  Jun 6th 1 7th 56
[OT]: Overpowering LED's  Jan 21th 1
[OT]: PIC Noise in op amps  May 30th 1
[OT]: PIC programming job  May 25th 1 26th -73, 51
[OT]:  Jun 23th 1
[OT]: Plumber  Aug 7th 1, -12 8th 63
[OT]: Poorman's PDF generation  Sep 30th 1, 20
[OT]: ramblings, the "quickening"  Jun 4th 1, 32 5th 202 6th 258
[OT]: Source of EL Backlight's, Sheets, etc..  Jul 13th 1
[OT]: Third world war possiblity?  Sep 12th 1, 52 14th 313
[OT]: Treasure from trash??  Jan 3rd 1
[OT]: TRIACs in parallel  Jun 16th 1
[OT]: Underwater robots  Jul 31th 1
[OT]: Unstable 555?!  Sep 4th 1
[ot]: using a pic in an automotive application  Mar 7th 1
[OT]: virus warning  Jul 25th 1
[OT]: What kind of sensor is it?  Nov 2nd 1
[OT]: What's wrong with this list (Please Read)  Sep 15th 1
[OT]: Wind Chill Question  Oct 3rd 1
[OT]: Wind Tunnels  Oct 2nd 1 4th 102, 125
[OT]: Word counter program wanted  Jul 23th 1
[OT]:Great Opportunity  Feb 15th 1
[OT]:tattoos  May 29th 1
[PIC] : Composed 16 bit return value in Hi-Tech C  Jun 1st 1
[PIC]:  Jul 20th 1 Aug 17th 2374
[PIC]: effect of high voltage on output pin  Aug 22th 1
[PIC]: floating point headaches  Jun 26th 1
[PIC]: Looking for cheap 8-pin MCU  Oct 3rd 1
[PIC]: Mosfet speed control of 12V DC motor  Oct 8th 1, 23
[PIC]: Mosfet speed control of 12V DC motor - Par  Oct 9th 1, 14, 22
[PIC]: PIC reseting due to relays  Aug 28th 1 30th 233
[PIC]: [EE] ? : Controlling a load with a variable  Jun 15th 1 16th -156
[PIC]: 100 really obscure factoids about PICs  Aug 5th 1
[PIC]: 12C508 BOR  Jul 31th 1
[PIC]: 12xxx advice  Feb 5th 1
[PIC]: 16c73 RA4 as I/O will not work  Jun 29th 1, -674
[PIC]: 16F628  May 30th 1
[PIC]: 16f84A 10MHz - Real speed is 2.5MHz?  Feb 25th 1
[PIC]: 16F877 ADC Probs (What will it measure)  Apr 23th 1
[PIC]: 17C756, table writes and interrupts?  Oct 16th 1
[PIC]: 2.5KW Load  Jan 30th 1 Feb 1st 200
[PIC]: A/D conversion (was: blank subject line)  Mar 2nd 1, 38
[PIC]: AC current  Jun 13th 1
[PIC]: Acessing PICBasic word variables using inli  Sep 4th 1
[PIC]: Adapter for PIC17C766 + PICStart Plus  Oct 2nd 1
[PIC]: Biometric sensors  Mar 30th 1
[PIC]: bsf + variable  Oct 21th 1
[PIC]: C compiler for PIC17C756A  Aug 2nd 1
[PIC]: carry flag  Nov 8th 1
[PIC]: Charge pump for LCD Vlc ?  Apr 20th 1
[pic]: const pointers in hitech C  Jun 28th 1, -7 30th 198
[PIC]: correct typecast to pass pointers in Hitech  Jul 11th 1, 42
[PIC]: differences between 18 and 20 pin variation  May 30th 1
[PIC]: Emulators and money  Feb 10th 1
[PIC]: F871 vs F874 vs F877  Feb 15th 1
[PIC]: FINAL WORD: A great solution for the PIC16  Jul 26th 1
[PIC]: Fixed Point Arithmetic  Feb 17th 1 19th 138
[PIC]: Fixed Point Arithmetic and ISO  Feb 18th 1, 5, 7, 39
[PIC]: Flashing a LED  Mar 30th 1
[PIC]: Frequency counting  Feb 23th 1
[PIC]: Generating a "truly" random number on the a  Aug 17th 1
[PIC]: Help -- 12C509A Won't Start  Apr 5th 1
[PIC]: High impedance inputr to PIC A/D  Aug 24th 1, -162 25th -5805
[PIC]: How to erase 12c508a??  Jan 27th 1
[PIC]: Howto make 0-50 hz into 0-400 ?  Aug 21th 1
[PIC]: I2C licencing?  Aug 26th 1
[PIC]: ICD firmware legal status  Oct 4th 1
[PIC]: Input clamp current  Feb 13th 1
[PIC]: Input clamp current (was Schmitt Trigger (R  Feb 10th 1 12th 273 15th 622
[PIC]: Input protection V-I curve  Aug 6th 1, 75 7th 87, 140
[PIC]: Interesting PIC18C252 TBLRD/TBLWT problem?  Sep 18th 1
[PIC]: Internal RC osc problems...  Jun 27th 1, 13 28th 45
[PIC]: Is this possible?  May 13th 1
[PIC]: Java PICmicro MCU Development Tools  Mar 1st 1
[PIC]: Just a funny history...  May 15th 1
[PIC]: keeping watchdog a bay during sleep on 12c5  Jun 7th 1 8th 118
[PIC]: MCHIP has released info about the dsPIC.  Jun 7th 1 8th 85
[PIC]: Minimal 16F84, 16F87X Assembler?  Jun 13th 1
[PIC]: Motorola assembly instructions  Jan 26th 1
[PIC]: MPLAB annoyance  Jul 8th 1
[PIC]: Multiplexing a 44780 LCD with 4x4 keypad  Aug 10th 1
[PIC]: Myke's Analog Clock: questions & variation  Aug 23th 1
[PIC]: Need SPI code for 16F877  Aug 7th 1
[PIC]: Need to program 1000+ PICs with firmware  Aug 7th 1
[PIC]: Newbie begs your counsel  Mar 23th 1
[PIC]: Oscillator leads  Aug 16th 1 17th 24
[PIC]: Overcurrent draw from PORTB pin  Jul 17th 1, 37
[PIC]: Overloading registers  May 14th 1
[PIC]: PCB Board houses  Jul 30th 1
[PIC]: PIC16F877 programming & RA4 / T0CKl questio  Jul 16th 1
[PIC]: PIC16F87x PWM & interrupt on end of PWM cyc  Feb 10th 1, -14
[PIC]: PIC16HV540 Clock ??  Jul 26th 1
[PIC]: PICs and LCDs - Open Drain?  Mar 29th 1
[PIC]: PICSTART Plus PLCC adapters  Feb 25th 1
[PIC]: Picstart Plus Problem  Nov 5th 1 13th 597
[PIC]: Picstart upgrade (voltage trim)  Feb 26th 1, 39 27th 75
[PIC]: Please help! Global Calls and Global Gotos  Jul 8th 1, -2
[PIC]: Problems using PIC to controll small fan  Jun 13th 1 14th 172
[PIC]: Problems with Picstart Plus  Aug 3rd 1
[PIC]: Program, verify,  Jun 18th 1
[PIC]: pseudo code  Sep 13th 1
[PIC]: PWM glitch-free updates  Mar 8th 1, 28
[PIC]: PWM motor control from frequency measuremen  Jan 31th 1
[PIC]: Quick Resonator Question  May 14th 1
[PIC]: RE: Which PIC development system?  Jul 4th 1
[PIC]: Read this for your own good  Nov 4th 1
[PIC]: Reading Mains Voltage From a PIC  Jun 22th 1
[PIC]: Real Time Clock  Feb 16th 1
[PIC]: Rotary Encoders  Oct 20th 1, 47
[PIC]: RS485 code?  Feb 25th 1
[pic]: RS485 opto isolators  Nov 14th 1
[PIC]: Scale a 16 bit number to 3 decimal digits  Sep 18th 1
[PIC]: Simple Question on driving 7 segment displa  Nov 14th 1
[PIC]: Simulation Speeds  May 21th 1
[PIC]: SPI transmit question  Jul 30th 1
[PIC]: Stumped by rotary encoder  Jul 22th 1 23th 47
[PIC]: Switch / If Statement revisited  Mar 1st 1, -4 2nd 102
[PIC]: Tied up with String -- Language Lawyer Stri  Jul 23th 1
[PIC]: Tied up with String: OR the String Cheese I  Jul 20th 1, 7, 14, 25 26th 500
[PIC]: TTL or ST ?  Feb 15th 1, -27
[PIC]: UK Prices for 16F84  Nov 5th 1
[PIC]: Ultraedit wordfile  May 24th 1
[PIC]: What does "PIC" stand for?  Aug 1st 1
[PIC]: You all claim that 16F628 is .....  Nov 4th 1
[PIC]:16F628 from 16F84  Sep 11th 1
[PIC]:16F84 marking  May 25th 1
[PIC]:help with hi-tech code and building librarys  Aug 14th 1
[PIC]:PIC reseting due to relays  Aug 30th 1, 3, 6, 120
[PIC]:Problems with PIC 16C73B parts  Mar 7th 1
[PIC]:standard algorithm?  Feb 15th 1, -26
[PIC]:Thoughts on RS485 collision detection  Jul 22th 1
[PICLIST] [EE] Comparator (retagged)  Aug 1st 1
[PICLIST] [EE] Thermistor resistance calculation  Jan 8th 1
[PICLIST] [EE] Two LEDs on port pin - High, Low, b  Sep 10th 1 11th 17
[PICLIST] [EE}: DC-PM motor, speed vs torque?  Aug 6th 1
[PICLIST] [OT] Moisture Absorbing Parts?  Sep 25th 1
[PICLIST] [PIC] %5BPIC%5D%3A  Apr 15th 1
[PICLIST] [PIC] I2C Performance  Oct 5th 1
[PICLIST] +AFs-PIC+AF0-: Tied up with String: OR t  Jul 20th 1
[PICLIST] H-Bridge Crowbar (was PIC reseting due  Aug 29th 1
[PICLIST] Homepage (Virus Warning!)  May 10th 1
[PICLIST] How many CMOS TTL chips can a PIC 84A dr  Aug 6th 1
[PICLIST] Indirect addressing  Jul 30th 1
[PICLIST] Most 'All-Purpose' Capacitor?  Feb 21th 1
[PICLIST] Multiple uCs sharing same clock  Aug 16th 1
[PICLIST] Need help locating unusual part  Aug 28th 1, 4
[PICLIST] Problems programming PIC16F628  Aug 3rd 1, 23 4th 32
[PICLIST] re [EE]: detecting milk froth  May 28th 1
[PICLIST] RES: [EE]: tiny power supply  Aug 16th 1, 29, 20
[PICLIST] SV:[OT]: mu Jet for RC Planes ?  Jul 6th 1
[PICLIST] Transformerless PSU  Jul 25th 1, 41
[PICLIST] Use power line (& PIC16F627) for baud-ra  Aug 20th 1
[PICLIST] Using small(ish) A/D reference voltage  Mar 12th 1 13th 7
[PICLIST] Why Noises Change Register Values? How t  Mar 27th 1

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