Posts from Vasile Surducan in

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Thread / Posts
[AD]: [OT]: Battery surplus  Apr 27th 1
[EE:] 1 transistor stepup circuit ? :-)  Sep 12th 1
[EE:] Shunt regulator? 317/337 solution  Jan 25th 1, -20 26th 210, 203
[EE:] simple step-up SMPS challenge  Sep 12th 1 13th 214
[EE]:  Nov 2nd 1
[EE]: Cheap & Easy LCD  Aug 10th 1
[EE]: Infrared Detector vs Pet  Feb 28th 1 Mar 1st 145
[EE]: "no variance,  Oct 8th 1 10th 213, 184 12th 362
[EE]: "no variance, no induced currents"  Oct 9th 1 10th 116
[EE]: (Followup) Having difficulty interfacing a c  Jul 31th 1, -16 Aug 2nd 219
[EE]: [PIC]: PIC based EPP protocol monitor...  Aug 13th 1
[EE]: ~ 3.3V from 7805  Nov 12th 1 13th 130, 136
[EE]: 100 circuits and projects  Dec 3rd 1
[EE]: 15 amp power supply.  May 16th 1
[EE]: 74LS164/clock design  May 23th 1
[EE]: 7912/7905  Mar 9th 1
[EE]: 8088 system  Apr 23th 1 24th 92
[EE]: A/D advice needed  Jan 29th 1
[EE]: A/D input consideration  Mar 1st 1
[EE]: Again a laser discussion  Feb 2nd 1, 2 5th 14881, 14842, 14861, 14892
[EE]: Battery Bakup Circuit for PIC12c508  Oct 15th 1
[EE]: Battery charger design  May 22th 1, 42 23th 161
[EE]: BE resistors  Jun 27th 1
[EE]: Capicitors across supply  Nov 15th 1
[EE]: Cat's in the cradle  Oct 24th 1
[EE]: CHEAP voltage sensing??  Oct 18th 1 19th 75
[EE]: Circuits for Digitiser  Oct 26th 1
[EE]: Circulator  Dec 17th 1
[EE]: Computer ( HUMOR )  Jun 21th 1
[EE]: crystal oven cct?  Oct 5th 1
[EE]: Definition of "pulse" - amateur radar again  Sep 6th 1 7th -7090, 72 10th 253 11th 305
[EE]: Design Challenge - low power step down switc  Sep 4th 1
[EE]: Design challenge - switching regulator  Jan 19th 1, -27
[EE]: Differential amplifier circuit?  Oct 29th 1, 27 30th 112, 111
[EE]: Displays  Jun 29th 1
[EE]: Does anyone have a circuit to power a PIC  Oct 23th 1 25th 255
[EE]: epemag july 2000  Jun 18th 1 19th 220
[EE]: favorite opto isolators?  Nov 29th 1
[EE]: Fdisk & 2 Primary disks  Aug 1st 1
[EE]: flipflop without supply  Oct 5th 1
[EE]: FPGA/GAL/PIC for port expansion/conversion  Dec 7th 1
[EE]: GAL alternative?  Nov 22th 1
[EE]: Good PCB Design Software?  May 17th 1, -21
[EE]: Having difficulty interfacing a current sens  Jul 30th 1
[EE]: High Current Variable Voltage Power Supply  Sep 11th 1
[EE]: High Frequency Resistors  Nov 27th 1, 9
[EE]: High temperature sensor  Dec 7th 1 10th 256
[EE]: How does one measure power in an ultrasonic  Feb 12th 1
[EE]: How to control a 24V solenoid with a PIC and  Jul 25th 1
[EE]: How to create 120 KHz pulse with minimum con  Jul 27th 1
[EE]: How to dim UV light  Aug 9th 1, 19 10th 142
[EE]: How to make a PIC control de rotation and di  Jun 29th 1
[EE]: How to retain RAM data when power is off?  Oct 18th 1
[EE]: IGBT Help  Nov 12th 1
[EE]: Inducing power  May 30th 1
[EE]: Inexpensive schematic/PCB CAD [and veroboard  Jul 30th 1
[EE]: Isolated I2C  Aug 17th 1
[EE]: Isolating ground  Jul 30th 1
[EE]: Killed another PIC! Why!  Oct 15th 1, -42
[EE]: Lasers and IR  Jun 22th 1
[EE]: Latching relay  Dec 20th 1
[EE]: LCD Font for docs.  Aug 8th 1
[EE]: light bulbs [humor]  Sep 4th 1
[EE]: Liquid Acidity Sensor  Feb 7th 1 28th 20060
[EE]: LM35 Woes  Jul 25th 1
[EE]: Looking for 4-20mA to digital converter  Feb 6th 1
[EE]: Looking for simple RS232 serial monitor  Feb 28th 1 Mar 1st 78
[EE]: mc14572 help  Oct 30th 1 31th 52
[EE]: More efficient motor  May 24th 1
[EE]: More efficient motor - heating pumps  May 25th 1, -51
[EE]: more than 100% efficiency  Nov 15th 1
[EE]: MSP430  Nov 1st 1
[EE]: Multiplex LED and switch on I/O pin  Oct 1st 1
[EE]: Negative 8-12 volts from -8 or +5V  Aug 13th 1 14th 73
[EE]: NiCd Battery Charging (New Topic!)  May 24th 1
[EE]: NiMH batteries  Jun 26th 1
[EE]: NiMH Soldering  May 11th 1
[EE]: Non Polar Electrolytic Capacitor  Jan 31th 1 Feb 2nd 252
[EE]: Optoisolated RS232  Mar 19th 1 20th 78
[EE]: Oscilloscope  Mar 9th 1
[EE]: Pages on the web about audio transformers  Sep 4th 1
[EE]: PC Parallel Port -- Issues and Inquiry  Aug 1st 1, 6
[EE]: PC power supply  Jun 4th 1
[EE]: PIC overheating a 7805 !  Nov 9th 1 12th 194, 209
[EE]: pll  Dec 12th 1
[EE]: Power usage  Dec 19th 1
[EE]: powering LEDs from 24V DC  Nov 26th 1
[EE]: Powering LEDs from AC power line.  Oct 3rd 1
[EE]: proud announcement  Nov 21th 1 23th 212
[EE]: RMS again (ouch!)  Jul 26th 1
[EE]: rs232 test software  Dec 5th 1
[EE]: RS-485 IC Transceiver  Mar 7th 1
[EE]: Schematics  Aug 16th 1
[EE]: Scroll down an LCD  Mar 2nd 1
[EE]: Snubber network for triac  Mar 7th 1
[EE]: Solid state relay difficulty  Aug 2nd 1, 3 3rd 125, 88
[EE]: SPICE/ORCAD => PCB  May 21th 1
[EE]: Step motor controllers  Dec 19th 1
[EE]: Super cheap 5v smps regulator  Dec 7th 1 10th 181, 194
[EE]: Surely not..  Mar 29th 1
[EE]: switching power supply and current  Oct 4th 1
[EE]: TDA2030-internal structure  Oct 24th 1 25th 154 29th 484
[EE]: Thermoelectric coolers...  Jan 30th 1
[EE]: Thyristor/IP SCR  Sep 11th 1
[EE]: tiny power supply  Aug 17th 1
[EE]: Totem Pole Outputs in 74HC164  Oct 3rd 1 4th 82 8th 301
[EE]: Transformerless PSU  Jul 26th 1, 41 27th -3190, 135 30th 313, 321
[EE]: ultrasonic dog chaser  May 31th 1
[EE]: Using ULN2803  Jun 22th 1
[EE]: Varian E101 microwave bridge  May 24th 1
[EE]: Voltage follower at 5VDC  Jul 19th 1
[EE]: What Output Driver Chip ?  May 25th 1
[EE]: Which is the ideal IC?  Dec 11th 1 13th 153
[EE]: windows 2000 sources !  Oct 31th 1
[EE]: windows flowchart editor  Oct 4th 1
[EE]: X10 still  Aug 16th 1 17th 5571
[EE]:74HC377 power-up problem  May 31th 1 Jun 1st 194
[EE]:EGA to VGA converter  Nov 15th 1
[EE]:fixed frequency monitors  Oct 23th 1 24th 171
[EE]:How to seperate Analog and Digital Power/Gnd?  May 30th 1, -40 31th 200
[EE]:measure Goms  Sep 6th 1 7th 65, 70
[EE]:Measuring AC currents  Nov 13th 1 14th 159 15th 260
[EE]:microwaves  Sep 5th 1
[EE]:Monitor Life  Aug 10th 1
[EE]:monitoring computer voltage with 16F877  Dec 13th 1, -10 17th 199 19th 355
[EE]:Re: EGA to VGA converter  Nov 16th 1
[EE]:Soldering piezos  Jul 19th 1 23th 277 27th 592
[EE]:Telephone Dialer  Dec 13th 1
[EE]:Transformerless PSU (+ question for repairmen  Jul 31th 1
[OT]: rs232 monitor  Feb 16th 1
[OT]: [ADMIN]: FW: The Natural Life Cycle Of Maili  Apr 3rd 1
[OT]: [OT !!!!!] awaiting your urgent response  Aug 16th 1
[OT]: Audio Analog Multiplexer Needed  Aug 9th 1 10th 118
[OT]: Bau!!! manual virus  Mar 5th 1
[OT]: Comm Port Monitor  Feb 7th 1
[OT]: Competitions..  Apr 9th 1 10th 114 11th 216
[OT]: Desoldering 16F877  Jun 7th 1
[OT]: Help - looking for 74HC7002  Jan 30th 1
[OT]: How to print words on enclosure box?  Aug 2nd 1
[OT]: How would I drive a unipolar stepper motor?  Feb 27th 1
[OT]: It's a girl :-)  Aug 2nd 1
[OT]: It's that day again  May 4th 1
[OT]: microstep generation [was: Competitions..]  Apr 9th 1
[OT]: Mourning day in Romania  Sep 14th 1
[OT]: Mr Hawking loses the plot  Sep 3rd 1
[OT]: opto-isolater IC efficiency  Jan 12th 1
[OT]: OrCad schematic viewer & printer  Jan 25th 1
[OT]: Pocket Socialism?  Apr 26th 1
[OT]: Power Grid  Feb 27th 1
[OT]: Proximity Sensor  Jan 22th 1
[OT]: Re: [PIC] Timer Tribulations  Feb 23th 1
[OT]: Semiconductor tester [was Competitions]  Apr 12th 1
[OT]: Spectrometry with spark or corona  Mar 2nd 1 5th 280
[OT]: Unstable 555?!  Sep 6th 1
[OT]: upgrading  Jun 7th 1
[ot]: using a pic in sleep mode??  Sep 4th 1
[OT]: Weather Sensors?  Mar 5th 1
[OT]:Current Sensor  Apr 5th 1
[OT]:free CAD package  Mar 16th 1
[OT]:piezo buzzer  Feb 28th 1
[OT]:te forum  Mar 29th 1
[PIC] : i2c Master Timing Problems  Jan 31th 1
[PIC] : New to PIC16F877  Jan 31th 1 Feb 2nd 222
[PIC]: ERROR 120 - Hey Whats up ?  Nov 1st 1
[PIC]: Floating analog input causing trouble?  May 21th 1
[PIC]: HVP programming of the 16F628  Jun 15th 1
[PIC]: Mosfet speed control of 12V DC motor  Oct 9th 1
[PIC]: PICLoader Code Snippet  Dec 7th 1
[PIC]: software reset  Jun 25th 1
[PIC]: Wanted PIC Basic Compiler software and man  Nov 8th 1
[PIC]: "itoa" routines? (16F870)  Jul 26th 1
[PIC]: [ADMIN] fixed point binary representation  Mar 16th 1
[PIC]: [EE] ? : Controlling a load with a variable  Jun 15th 1 18th 279
[PIC]: 12V Supply to 16F84A!  Feb 7th 1
[PIC]: 16f628 Osc question  Nov 6th 1
[PIC]: 16F628 USART with INTRC oscillator  Nov 5th 1
[PIC]: 16F84 project for newbie....  Jun 21th 1
[PIC]: 16F877 - Why two sets of power pins?  Oct 23th 1, -40 24th 72
[PIC]: 16F877 RB Interrupt on Change  Jan 12th 1
[PIC]: 16F877... TRANSIENT problem !  Jun 18th 1
[PIC]: 16f87x programmer using 16f84  Jun 4th 1
[pic]: 16fxdu/8 divide routine  Mar 5th 1 6th 137
[PIC]: 2.5KW Load  Jan 29th 1, 18
[PIC]: 20 MHz clock in a 4 MHz pic  Mar 22th 1 23th 56
[PIC]: 40 Pin Textool Programmer  Nov 27th 1
[PIC]: 8bit Data bus using a PIC16F84A.. is it pos  May 29th 1 30th 125
[PIC]: a "clock" ({hours,minutes}) with a PIC  Jan 22th 1
[PIC]: A good site with PIC guide  Aug 1st 1
[PIC]: A table question.  May 31th 1
[PIC]: A/D Conversion Errors  Mar 13th 1
[PIC]: a/d voltages  Oct 9th 1
[PIC]: AC current  Jun 14th 1
[PIC]: ad converter and lcd screen  Sep 5th 1
[PIC]: AD877 with negative input voltage - conclus  Mar 5th 1 6th 144, 106
[PIC]: Analogue random noise  Oct 22th 1 23th 126
[pic]: Andy Warren's 16fxdu has a bug  Mar 12th 1 13th 86
[PIC]: Any good tutorial for LCD display ?  Mar 16th 1
[PIC]: BCD question  Apr 19th 1, -12
[PIC]: Beginner Needs Advice  Oct 15th 1
[PIC]: Beginner PCL and FSR questions  Nov 12th 1 14th 236
[PIC]: Beginning With PICs  Dec 3rd 1
[PIC]: Bootloaders?  Jun 5th 1 Jul 26th 4805
[PIC]: Charge pump for LCD Vlc ?  Apr 20th 1
[pic]: Cheap Dutch or European Source for 16F628's  Nov 9th 1
[PIC]: Clock Tuning  Mar 8th 1
[PIC]: Communicate between to pics  Oct 12th 1
[PIC]: Compare two 16 Bit numbers,  Nov 28th 1 29th 96
[PIC]: Compiler  Jun 29th 1
[PIC]: crystal  Jan 18th 1
[PIC]: CSVD or other on PIC (compress audio)  Dec 12th 1
[PIC]: Data Recording to Cassette Tape using QPSK.  Feb 23th 1
[PIC]: Display character on specified character ad  Feb 8th 1
[PIC]: does serial coms require any extra parts?  Nov 12th 1, 31
[PIC]: Error in the 16f628 data sheet ?  Nov 14th 1
[PIC]: FINAL WORD: A great solution for the PIC16  Jul 26th 1
[PIC]: Fixed Point Arithmetic  Feb 19th 1
[PIC]: fixed point binary representation  Mar 15th 1, -27, -42
[PIC]: Generating a "truly" random number on the a  Aug 17th 1, 66
[PIC]: Help  Nov 27th 1
[PIC]: Home-made programmer for PIC16F877?  Mar 30th 1
[PIC]: How to reset PIC (without WDT enabled) by t  Aug 13th 1 14th 5049 16th 5223, -217, 5232
[PIC]: How to test multiply bits ?  Oct 17th 1
[PIC]: I2C mssp F877 Help  Nov 15th 1
[PIC]: Input clamp current (was Schmitt Trigger (R  Feb 12th 1
[PIC]: interface 16f877 to LCD  Jan 17th 1
[PIC]: Interfacing to an lcd display  Jul 26th 1
[PIC]: internal or external ADC  Dec 17th 1
[PIC]: Interrupts  Jun 12th 1
[PIC]: Interupt problems HELP!  Feb 8th 1 9th 8596 12th 8838
[PIC]: IR receiver code  Feb 28th 1
[PIC]: ISA board development  Feb 15th 1
[PIC]: LM335  Feb 7th 1, -4 8th 9208, 9242, 9267 9th 17824 12th 18128
[PIC]: Looking for code samples for 16F872  Jan 22th 1
[PIC]: Looking for improved integer's math routine  Jun 1st 1, 49
[PIC]: math calibration algorithm ?  Mar 12th 1 13th 85, 106 14th 215
[PIC]: Minimal Vref+ value on pic16f877  Sep 14th 1
[PIC]: mssp i2c problem  Sep 12th 1 14th -7436 17th 717
[PIC]: Need advice on using the Open-collector out  Oct 25th 1
[PIC]: New to PICs  Mar 21th 1
[PIC]: Nikolai constdivmul generator  Feb 16th 1
[PIC]: Noisy relay switching in pic applications  Nov 15th 1
[PIC]: On-chip comparators as schmitt triggers  Dec 13th 1
[PIC]: Online handbook for assembly language instr  Oct 3rd 1
[PIC]: Overclock f87x and other questions  Oct 25th 1
[PIC]: Overclocking  Jan 16th 1
[PIC]: PCW C Compiler - How do I Minimise Stack le  Jan 15th 1
[PIC]: PIC IDE competition schematic  Dec 10th 1
[PIC]: Pic Temperature logger  Nov 22th 1, -5
[PIC]: Piclist Overload ?  Oct 15th 1
[PIC]: pic's price [was:Universal programmer]  Jun 6th 1
[PIC]: Pocket serial #  Mar 20th 1, 8
[PIC]: Port B Change Interrupt - Looking for Troub  May 22th 1
[PIC]: Potentiometer on ADC  Nov 9th 1 12th 183, 222 13th 294 26th 1344 28th 1513
[PIC]: Problems using PIC to controll small fan  Jun 13th 1 14th 136
[PIC]: Programming a 16f628 with an old PicStart P  Nov 7th 1
[PIC]: pseudo code  Sep 14th 1
[PIC]: PWM motor control from frequency measuremen  Feb 1st 1
[PIC]: PWM problems, HELP!  Feb 8th 1, -31
[pic]: Question  Jun 12th 1
[PIC]: R/W Analog values on a P16F84  Feb 20th 1
[PIC]: rb6,rb7 icsp, floating pins, etc  Nov 12th 1
[PIC]: RE: [jallist] nmea repeater (fwd)  Apr 26th 1
[PIC]: Re: keypad  Mar 14th 1
[PIC]: Re: timers  Jun 12th 1, 49
[PIC]: Reading Mains Voltage From a PIC  Jun 22th 1 25th 349
[PIC]: Real Time Clock  Feb 16th 1
[PIC]: reset  Oct 17th 1
[PIC]: Rounding to closest 1's multiple, code encl  Apr 10th 1
[PIC]: Scholarship in Sheffield, UK  Oct 22th 1
[PIC]: signed math  Dec 3rd 1, 14 4th 116 5th 216 7th 361
[PIC]: simple maths  Jul 26th 1
[PIC]: SMPS Transformer Calculus  Sep 17th 1
[PIC]: software reset  Jun 20th 1, -3 21th 329 22th 296 25th 607, 614
[PIC]: Stack Overflows  Jan 26th 1
[PIC]: Swapping Vars. MORE  Jun 20th 1
[PIC]: Tad ADCON0  Jun 1st 1
[PIC]: TDS or conductivity sensor  Oct 17th 1
[PIC]: The 16F84A is dead, long live the 16F85/16F  Mar 23th 1
[PIC]: Timer0 Interrupt Timing  Jun 22th 1
[pic]: Timer0 problem  Apr 24th 1
[PIC]: TMR1=external osc, ccp2=pwm, problem  May 18th 1
[PIC]: To PIC or not to PIC (intelligent battery c  Oct 15th 1
[PIC]: Tristate on single wire bus  Oct 17th 1, -13
[PIC]: Trouble w/multiple AD inputs (F877)  Apr 3rd 1
[PIC]: Universal programmer  May 29th 1 30th 185
[PIC]: Unknown Voltage on PIC pin.  Jan 12th 1
[PIC]: Unreliable POR  Mar 7th 1
[PIC]: usart autobaud routine  Apr 24th 1
[PIC]: USART receive problems  Aug 13th 1
[PIC]: Voltage multiplier  Sep 17th 1
[PIC]: What does "PIC" stand for?  Oct 24th 1
[PIC]: when available 16F877 "a"  Dec 3rd 1
[PIC]: WLoader update  Sep 7th 1
[PIC]:16C773 AD problem  Feb 26th 1, -2 28th 316
[PIC]:16fxdu/8 divide routine  Mar 7th 1
[PIC]:A/D with Vref+  Oct 12th 1, 3, -14 15th 175
[PIC]:analog input simulation  Feb 22th 1
[PIC]:Digital filtering using a PIC  Aug 14th 1
[PIC]:Ds1621 & Picf84  Nov 22th 1
[PIC]:HUMIDITY SENSOR.  Nov 1st 1 2nd 75
[PIC]:interfacing PIC to a phone line  Oct 24th 1
[PIC]:LCD Daughterboard?  Sep 17th 1
[PIC]:Measuring AC with a DC offset  Dec 13th 1
[PIC]:MPLAB project help  Sep 13th 1
[PIC]:need 4Mhz clock out of 16F628  Aug 10th 1
[PIC]:PIC16F84 and HD44780 controller - what am I  Jun 18th 1
[PIC]:PIC16F877 - PWM&JAL five second beep.  Jan 19th 1
[PIC]:PIC16F877 jal code to beep 5s  Jan 18th 1 19th 164
[PIC]:PORTB int on change  Mar 16th 1 19th 135
[PIC]:PWM  Dec 3rd 1
[PIC]:Re: Faster Delay Simulation  Mar 13th 1
[PIC]:Tait Parallel programmer (DTAIT.EXE + PIP-02  Oct 31th 1
[PIC]:timer problem  Feb 19th 1 20th 135
[PIC]:to switch between 4 hard drives  Mar 13th 1
[PICLIST]  Mar 13th 1, 26
[PICLIST] [ADMIN] [PIC]: searching error  Aug 16th 1
[PICLIST] [ADMIN]: fixed point binary representati  Mar 14th 1, 34, 5
[PICLIST] [EE] operational amplifier or comparator  Aug 2nd 1
[PICLIST] [EE] Phase control dimming on a cheap pi  Mar 6th 1
[PICLIST] [OT] piclist Admin #3  Feb 26th 1
[PICLIST] [PIC] 16F84 INTERRUPTS  Jan 22th 1
[PICLIST] [PIC] F870 & Vref  Mar 29th 1
[PICLIST] [PIC] infra red project  Mar 15th 1 19th 333
[PICLIST] [PIC] Pic based laser oscilloscope  Jan 23th 1
[PICLIST] [pic] pic16f84 rs232 10Mhz crystal  Apr 20th 1
[PICLIST] [PIC] Program 16F87X with 16F84 programm  Jan 26th 1
[PICLIST] [PIC] PWM motor control  Feb 22th 1, 35372
[PICLIST] [PIC] Q about internal A/D converters of  Feb 1st 1
[PICLIST] [PIC] Timer Tribulations  Feb 22th 1, -38, 23
[PICLIST] [PIC] usart autobaud routine  Apr 23th 1
[PICLIST] [PIC]delay in programin  Feb 28th 1, -9
[PICLIST] [Re: [PIC]: Would anyone understand...?]  Mar 21th 1
[PICLIST] 24Bit Up/Down Counter at 40 MHz  Apr 24th 1
[PICLIST] free CAD package  Mar 6th 1 7th 113
[PICLIST] Free/Shareware Basic Compiler/Tutorials  Jan 16th 1
[PICLIST] ICSP + reset button  Jan 30th 1
[PICLIST] Jinx odometer  Mar 8th 1
[PICLIST] Need some switch ideas  Apr 4th 1
[PICLIST] PIC16F877  Jan 16th 1
[PICLIST] protecting pic  Feb 22th 1
[PICLIST] signed math  Dec 3rd 1
[PICLIST] Transformerless Power Supply  Apr 27th 1
[PICLIST] UNBSCRIBE  Jan 22th 1
[PICLIST] Using small(ish) A/D reference voltage  Mar 13th 1
[SX]: testing a new programmer  May 11th 1 14th 274 15th 347
Divide by 13 chip?  Feb 19th 1

Authors found:
- Vasile Surducan


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