Please enter a valid full or partial manufacturer part number with a minimum of 3 letters or numbers

    CODES CHANNEL ADC PIC16F877A Search Results

    CODES CHANNEL ADC PIC16F877A Result Highlights (6)

    Part ECAD Model Manufacturer Description Download Buy
    TLP294-4 Toshiba Electronic Devices & Storage Corporation Photocoupler (phototransistor output), AC input, 3750 Vrms, 4 channel, SO16 Visit Toshiba Electronic Devices & Storage Corporation
    TLP295-4 Toshiba Electronic Devices & Storage Corporation Photocoupler (phototransistor output), DC input, 3750 Vrms, 4 channel, SO16 Visit Toshiba Electronic Devices & Storage Corporation
    TK190U65Z Toshiba Electronic Devices & Storage Corporation MOSFET, N-ch, 650 V, 15 A, 0.19 Ohm@10V, TOLL Visit Toshiba Electronic Devices & Storage Corporation
    TK7R0E08QM Toshiba Electronic Devices & Storage Corporation MOSFET, N-ch, 80 V, 64 A, 0.0070 Ohm@10V, TO-220AB Visit Toshiba Electronic Devices & Storage Corporation
    XPQR8308QB Toshiba Electronic Devices & Storage Corporation N-ch MOSFET, 80 V, 350 A, 0.00083 Ω@10V, L-TOGL Visit Toshiba Electronic Devices & Storage Corporation
    XPJ1R004PB Toshiba Electronic Devices & Storage Corporation N-ch MOSFET, 40 V, 160 A, 0.001 Ω@10V, S-TOGL Visit Toshiba Electronic Devices & Storage Corporation

    CODES CHANNEL ADC PIC16F877A Datasheets Context Search

    Catalog Datasheet MFG & Type PDF Document Tags

    PIC16F87XA

    Abstract: PIC16f876A example codes PIC16F873A-876A PIC16F873A PIC16F877A data sheet DS39582B channel ADC pic16f874a PIC16F877A adc example code 876a PIC16F877A pin
    Text: PIC16F87XA PIC16F87XA Rev. B0 Silicon Errata Sheet The PIC16F87XA Rev. B0 parts you have received conform functionally to the Device Data Sheet DS39582B , except for the anomalies described below. This Errata Sheet supersedes any previously published Errata for PIC16F87XA Rev. B0.


    Original     		PDF PIC16F87XA PIC16F87XA DS39582B) 0242xxx) 28-pin PIC16F873A PIC16F876A) PIC16f876A example codes PIC16F873A-876A PIC16F873A PIC16F877A data sheet DS39582B channel ADC pic16f874a PIC16F877A adc example code 876a PIC16F877A pin

    PIC16F877A pin

    Abstract: PIC16F877A Microcontroller PIC16F877A SPECIFICATIONS PIC16F877A PIN diagram PIC16F877A block diagram PWM using PIC16F877a c code PWM Inverter using PIC Microcontroller control dc motor speed using Pic16F877A PIC16F877A circuit diagram PIC16F877A connect to 16 pin LCD
    Text: MINI-MAX/PIC Single Board Computer Technical Manual Document Revision: 1.03 Date: 06 September 2004 BiPOM Electronics, Inc. 16301 Blue Ridge Road, Missouri City, Texas 77489 Telephone: 1-713-283-9970 Fax: 1-281-416-2806 E-mail: info@bipom.com Web: www.bipom.com


    Original     		PDF com/files/mm51c/loader/WinLoad MCP100 PIC16C58 PIC16F877A RS-232 PIC16F877A pin PIC16F877A Microcontroller PIC16F877A SPECIFICATIONS PIC16F877A PIN diagram PIC16F877A block diagram PWM using PIC16F877a c code PWM Inverter using PIC Microcontroller control dc motor speed using Pic16F877A PIC16F877A circuit diagram PIC16F877A connect to 16 pin LCD

    PIC16F877a parallel slave port sample code

    Abstract: interfacing PIC16F877A with buffer PIC 877A PIC16F874A/877A DATASHEET PIC 16 F 877A PIC16F877A PIN diagram PIC16f877a example code spi PIC16F877A 40 pin MICROCHIP PIC16F874A/877A port pin details of pic16f877a
    Text: PIC16F87XA PIC16F87XA Rev. B0 Silicon/Data Sheet Errata The PIC16F87XA Rev. B0 parts you have received conform functionally to the Device Data Sheet DS39582A , except for the anomalies described below. This Errata Sheet supersedes any previously published Errata for PIC16F87XA Rev. B0.


    Original     		PDF PIC16F87XA PIC16F87XA DS39582A) 0242xxx) 28-pin PIC16F873A PIC16F876A) PIC16F877a parallel slave port sample code interfacing PIC16F877A with buffer PIC 877A PIC16F874A/877A DATASHEET PIC 16 F 877A PIC16F877A PIN diagram PIC16f877a example code spi PIC16F877A 40 pin MICROCHIP PIC16F874A/877A port pin details of pic16f877a

    PIC Light Dimmer

    Abstract: x10 pic an236 zero crossing detector PIC dimmer TRIAC dimmer pic PIC18F452 PWM example codes interfacing of PIC16F877A with 2X16 lcd pic triac PIC16F877A 2x16 LCD PWM GENERATION using Pic16F877A PIC16F877A circuit diagram
    Text: AN236 X-10 Home Automation Using the PIC16F877A Author: HARDWARE OVERVIEW Jon Burroughs Microchip Technology Inc. The home controller application described in this application note allows the user to program on and off times for up to sixteen devices, using a 2 x 16 liquid crystal


    Original     		PDF AN236 PIC16F877A DS00236B-page PIC Light Dimmer x10 pic an236 zero crossing detector PIC dimmer TRIAC dimmer pic PIC18F452 PWM example codes interfacing of PIC16F877A with 2X16 lcd pic triac PIC16F877A 2x16 LCD PWM GENERATION using Pic16F877A PIC16F877A circuit diagram

    interfacing of PIC16F877A with 2X16 lcd

    Abstract: P16F877A PIC16F877A 2x16 LCD zero crossing detector PIC dimmer interfacing PIC16F877A with lcd pic microcontroller triac control x10 pic an236 2X16 lcd module pic16f84 PIC16F877A using temperature sensor PIC16F877a instruction clock timing diagram
    Text: AN236 X-10 Home Automation Using the PIC16F877A Author: HARDWARE OVERVIEW Jon Burroughs Microchip Technology Inc. The home controller application described in this application note allows the user to program on and off times for up to sixteen devices, using a 2 x 16 liquid crystal


    Original     		PDF AN236 PIC16F877A D-85737 DS00236A-page interfacing of PIC16F877A with 2X16 lcd P16F877A PIC16F877A 2x16 LCD zero crossing detector PIC dimmer interfacing PIC16F877A with lcd pic microcontroller triac control x10 pic an236 2X16 lcd module pic16f84 PIC16F877A using temperature sensor PIC16F877a instruction clock timing diagram

    PIC16F72 inverter ups

    Abstract: UPS inverter PIC16F72 PIC16F676 inverter hex code 16F877 with sd-card and lcd project circuit diagram wireless spy camera NH82801GB xmega-a4 online ups service manual back-ups ES 500 ARM LPC2148 INTERFACING WITH RFID circuit diagram realtek rtd 1186
    Text: the solutions are out there you just haven’t registered yet. RoadTest the newest products in the market! View the latest news, design support and hot new technologies for a range of applications Join the RoadTest group and be in with a chance to trial exclusive new products for free. Plus, read


    Original     		PDF element-14 element14. element14, PIC16F72 inverter ups UPS inverter PIC16F72 PIC16F676 inverter hex code 16F877 with sd-card and lcd project circuit diagram wireless spy camera NH82801GB xmega-a4 online ups service manual back-ups ES 500 ARM LPC2148 INTERFACING WITH RFID circuit diagram realtek rtd 1186

    PIC16f877a example code spi master configuration

    Abstract: 4431 mosfet PIC12f675 adc example codes RS485 communication with pic18f4520 PIC16f627 example codes pwm PIC18f452 example uart codes PIC12f509 example codes PIC16f877a example codes transceiver pic16f877a c code programming example for temperature monitoring pic16f72 3 PHASE MOTOR CONTROL
    Text: 2nd Half 2004 July - September 2004 Product Selector Guide Product Profile PICmicro Microcontrollers Microchip’s PICmicro® family of microcontrollers combine high performance, low cost and small package size to offer the best price/ performance ratio in the industry. Based on a powerful RISC core, the PICmicro architecture provides users an easy migration path


    Original     		PDF DS00148J3 PIC16f877a example code spi master configuration 4431 mosfet PIC12f675 adc example codes RS485 communication with pic18f4520 PIC16f627 example codes pwm PIC18f452 example uart codes PIC12f509 example codes PIC16f877a example codes transceiver pic16f877a c code programming example for temperature monitoring pic16f72 3 PHASE MOTOR CONTROL

    PIC16f690 example codes

    Abstract: PIC18f4520 enc28j60 spi example codes PIC18f4431 PWM example codes PIC16f877a example code spi master configuration PIC16f876 example codes PIC18f4520 PWM example codes RF transmitter 433.92 3 pin 12v PIC16f877a example uart codes PIC16F84 example codes picdem 2 plus demo board pic18f4520 examples
    Text: 1st Half 2005 January - March 2005 Product Selector Guide Product Profile PICmicro Microcontrollers Microchip’s PICmicro® family of microcontrollers combine high performance, low cost and small package size to offer the best price/ performance ratio in the industry. Based on a powerful RISC core, the PICmicro architecture provides users an easy migration path


    Original     		PDF DS00148K1 PIC16f690 example codes PIC18f4520 enc28j60 spi example codes PIC18f4431 PWM example codes PIC16f877a example code spi master configuration PIC16f876 example codes PIC18f4520 PWM example codes RF transmitter 433.92 3 pin 12v PIC16f877a example uart codes PIC16F84 example codes picdem 2 plus demo board pic18f4520 examples

    RS-485 to usart pic interface circuit

    Abstract: PIC16F690 PWM c programming 433 mhz ask rf module RFID Entry Door Lock Access Control System control dc motor using Pic16F877A rs232 parallel flash programmer data sheet IC 7106 3.5 digit 7 segment lcd display pin configuration control dc motor speed using pwm Pic16F877A RFID passive tag
    Text: April - June 2005 Update 2005 Product Selector Guide Product Profile PICmicro Microcontrollers Microchip’s PICmicro® family of microcontrollers combine high performance, low cost and small package size to offer the best price/ performance ratio in the industry. Based on a powerful RISC core, the PICmicro architecture provides users an easy migration path


    Original     		PDF DS00148K2 RS-485 to usart pic interface circuit PIC16F690 PWM c programming 433 mhz ask rf module RFID Entry Door Lock Access Control System control dc motor using Pic16F877A rs232 parallel flash programmer data sheet IC 7106 3.5 digit 7 segment lcd display pin configuration control dc motor speed using pwm Pic16F877A RFID passive tag

    PIC18f4431 PWM example codes

    Abstract: PIC18F2680 Dc motor speed Controlled with Pic16F877A PIC12f675 example codes PIC16F84 PHOTOS PIC16f690 spi example codes PIC18F4550 example C18 lcd codes TC7107 microchip mcp3221 application PIC18f4520 PWM example codes
    Text: 2nd Half 2004 October - December 2004 Product Selector Guide Product Profile PICmicro Microcontrollers Microchip’s PICmicro® family of microcontrollers combine high performance, low cost and small package size to offer the best price/ performance ratio in the industry. Based on a powerful RISC core, the PICmicro architecture provides users an easy migration path


    Original     		PDF DS00148J4 PIC18f4431 PWM example codes PIC18F2680 Dc motor speed Controlled with Pic16F877A PIC12f675 example codes PIC16F84 PHOTOS PIC16f690 spi example codes PIC18F4550 example C18 lcd codes TC7107 microchip mcp3221 application PIC18f4520 PWM example codes

    PIC16F618

    Abstract: ic pic16f618 led pwm Controlled with Pic16F84 motor control using PIC16f887 LCD AC162 PIC16F877 Data Logger pic16f72 3 PHASE MOTOR CONTROL PIC16f84a to PIC18f PIC18F6522 control dc motor speed using pwm Pic16F877A
    Text: January - March 2006 2006 Product Selector Guide Product Profile 8-bit PIC Microcontrollers Microchip’s PIC® family of microcontrollers combine high performance, low cost and small package size to offer the best price/ performance ratio in the industry. Based on a powerful RISC core, these 8-bit PIC® microcontrollers fall into three product architecture


    Original     		PDF 12-bit 14-bit 896-14K PIC18) 16-bit DS00148L1 PIC16F618 ic pic16f618 led pwm Controlled with Pic16F84 motor control using PIC16f887 LCD AC162 PIC16F877 Data Logger pic16f72 3 PHASE MOTOR CONTROL PIC16f84a to PIC18f PIC18F6522 control dc motor speed using pwm Pic16F877A

    IR RC5 encoder PIC

    Abstract: PIC18F45K20 demo board PIC16F877A Microcontroller architecture 15x10-bit PIC16F877A for sensor DM183022 48v battery charger lead pic16f877a based spi PIC18F96J60 PICmicro Reference Manual
    Text: October - December 2005 Update 2005 Product Selector Guide Product Profile 8-bit PICmicro Microcontrollers Microchip’s PICmicro® family of microcontrollers combine high performance, low cost and small package size to offer the best price/ performance ratio in the industry. Based on a powerful RISC core, these 8-bit PIC® microcontrollers fall into three product architecture


    Original     		PDF 12-bit 14-bit 896-14K PIC18) DS00148K4 IR RC5 encoder PIC PIC18F45K20 demo board PIC16F877A Microcontroller architecture 15x10-bit PIC16F877A for sensor DM183022 48v battery charger lead pic16f877a based spi PIC18F96J60 PICmicro Reference Manual

    MCP60421

    Abstract: mcp61421 PIC16F877 stepper motor interfacing PIC16F874A SD card Thermistor 20SP switch reluctance motor control using pic18F46K20 ENC28J60 mplab icd 3 mclr pgd pgc pic16f722 TC1426 rf transmitter and receiver for pic16f887
    Text: July - September 2006 2006 Product Selector Guide Product Profile 8-bit PIC Microcontrollers Microchip’s PIC® family of microcontrollers combine high-performance, low cost and small package size to offer the best price/ performance ratio in the industry. Based on a powerful RISC core, these 8-bit PIC®microcontrollers fall into three product architecture


    Original     		PDF 12-bit 14-bit PIC18) 16-bit DS00148L2 DS00148L2* MCP60421 mcp61421 PIC16F877 stepper motor interfacing PIC16F874A SD card Thermistor 20SP switch reluctance motor control using pic18F46K20 ENC28J60 mplab icd 3 mclr pgd pgc pic16f722 TC1426 rf transmitter and receiver for pic16f887

    pic*16f73 bootloader rf transceiver

    Abstract: TC9400 fsk 24cxx usb programmer 3 phase pwm pic16f877 mcp68 DC MOTOR SPEED position CONtrol pwm pic16F877 3 switch PIC16f877a based door security system 13.56Mhz class e power amplifier RFID phase pwm pic16f877 RFID pic16f73
    Text: PRODUCT LINE CARD INCLUDING DEVELOPMENT TOOLS SECOND QUARTER 2002 Product Profile PICmicro Microcontrollers Microchip’s PICmicro® family of microcontrollers combine high performance, low cost and small package size to offer the best price/performance ratio in the industry. Based on a powerful RISC core, the PICmicro architecture provides users an easy


    Original     		PDF DS00148G2 pic*16f73 bootloader rf transceiver TC9400 fsk 24cxx usb programmer 3 phase pwm pic16f877 mcp68 DC MOTOR SPEED position CONtrol pwm pic16F877 3 switch PIC16f877a based door security system 13.56Mhz class e power amplifier RFID phase pwm pic16f877 RFID pic16f73

    Arduino Mega2560

    Abstract: 13001 S 6D TRANSISTOR arduino uno rev 3 agilent optical encoder 9988 MZ 13001 TRANSISTOR arduino mega 2650 skiip 613 gb 123 ct arduino sound sensor module pic arduino nano mc34063l
    Text: ND3% BASE1 XXXX2108-0010-1-P 10 TSQ: 3001 CMS: CMS-USM TS host OP: NN COMP: 15-07-11 Hour: 13:07 TS:TS date TS time MCUS, MPUS, DSPS & DEVELOPMENT TOOLS Find Datasheets Online 8-BIT MCUS & DEVELOPMENT TOOLS 1 PSoC 3 DEVELOPMENT KITS ARDUINO MCU DEVLOPMENT PLATFORM


    Original     		PDF CY8C38 CY8C29 incl795 12T9797 12T9804 12T9803 12T9800 12T9802 12T9801 12T9805 Arduino Mega2560 13001 S 6D TRANSISTOR arduino uno rev 3 agilent optical encoder 9988 MZ 13001 TRANSISTOR arduino mega 2650 skiip 613 gb 123 ct arduino sound sensor module pic arduino nano mc34063l

    MPC73832

    Abstract: mcp60021 switch reluctance motor control using pic18F46K20 PIC18FXXKXX mcp61421 MCP3909 LCD AC162 DM164120-3 PIC16f877a c code for ethernet module enc28j60 PIC16F874A SD card
    Text: January - June 2007 2007 Product Selector Guide Product Profile 8-bit PIC Microcontrollers Microchip’s 8-bit PIC® microcontrollers combine high-performance, low cost and small package size to offer the best price/ performance ratio in the industry. Based on a powerful RISC core, these 8-bit PIC®microcontrollers fall into three product architecture


    Original     		PDF 12-bit 14-bit PIC18) 16-bit DS00148M DS00148L2* MPC73832 mcp60021 switch reluctance motor control using pic18F46K20 PIC18FXXKXX mcp61421 MCP3909 LCD AC162 DM164120-3 PIC16f877a c code for ethernet module enc28j60 PIC16F874A SD card

    3 phase pwm pic16f877

    Abstract: 1X16 lcd module pic16f877a based spi sm 0038 ir receiver lcd 2*16 Side Brazed Ceramic Dual-In-Line Packages 28 One-chip telephone IC audio Amp. mosfet 1000 watt 400 Watt Audio amplifier IC control dc motor using Pic16F877A
    Text: PRODUCT LINE CARD INCLUDING DEVELOPMENT TOOLS 2ND HALF 2003 MOST CURRENT VERSION AVAILABLE ON WWW.MICROCHIP.COM WWW.MICROCHIP.COM Product Profile PICmicro Microcontrollers Microchip’s PICmicro® family of microcontrollers combine high performance, low cost and small package size to offer the best


    Original     		PDF DS00148H3 3 phase pwm pic16f877 1X16 lcd module pic16f877a based spi sm 0038 ir receiver lcd 2*16 Side Brazed Ceramic Dual-In-Line Packages 28 One-chip telephone IC audio Amp. mosfet 1000 watt 400 Watt Audio amplifier IC control dc motor using Pic16F877A

    220v AC voltage stabilizer schematic diagram

    Abstract: LG color tv Circuit Diagram tda 9370 1000w inverter PURE SINE WAVE schematic diagram schematic diagram atx Power supply 500w TV SHARP IC TDA 9381 PS circuit diagram wireless spy camera 9744 mini mainboard v1.2 sony 279-87 transistor E 13005-2 superpro lx
    Text: QUICK INDEX NEW IN THIS ISSUE! Detailed Index - See Pages 3-24 AD9272 Analog Front End, iMEMS Accelerometers & Gyroscopes . . . . . . 782, 2583 Connectors, Cable Assemblies, IC Sockets . . . . . . . . . . . 28-528 Acceleration and Pressure Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . Page 2585


    Original     		PDF AD9272 P462-ND LNG295LFCP2U P463-ND LNG395MFTP5U 220v AC voltage stabilizer schematic diagram LG color tv Circuit Diagram tda 9370 1000w inverter PURE SINE WAVE schematic diagram schematic diagram atx Power supply 500w TV SHARP IC TDA 9381 PS circuit diagram wireless spy camera 9744 mini mainboard v1.2 sony 279-87 transistor E 13005-2 superpro lx

    schematic diagram atx Power supply 500w

    Abstract: pioneer PAL 012A 1000w inverter PURE SINE WAVE schematic diagram 600va numeric ups circuit diagrams winbond bios 25064 TLE 9180 infineon smsc MEC 1300 nu TBE schematic diagram inverter 2000w DK55 circuit diagram of luminous 600va UPS
    Text: QUICK INDEX NEW IN THIS ISSUE! Detailed Index - See Pages 3-24 Digital Signal Processors, iCoupler , iMEMS® and iSensor . . . . . 805, 2707, 2768-2769 Connectors, Cable Assemblies, IC Sockets . . . . . . . . . . . 28-568 RF Connectors . . . . . . . . . . . . . . . . . . . . . . Pages 454-455


    Original     		PDF P462-ND P463-ND LNG295LFCP2U LNG395MFTP5U US2011) schematic diagram atx Power supply 500w pioneer PAL 012A 1000w inverter PURE SINE WAVE schematic diagram 600va numeric ups circuit diagrams winbond bios 25064 TLE 9180 infineon smsc MEC 1300 nu TBE schematic diagram inverter 2000w DK55 circuit diagram of luminous 600va UPS

    0119 Solar Lamp Controller

    Abstract: transistor SMD W06 78 NXP Semiconductors 70150 TYN225 WH1602A Matsua microswitch 250V AC IRF9520 Samsung iskra BT 200 MOTOR FM 270R 74HC00M
    Text: 24 Electronic Components pp751-856:Layout 1 24/1/14 16:12 Page 751 Electronic Components CAPACITORS OPTOELECTRONICS Ceramic Capacitors Tantalum Capacitors Variable Capacitors 752 759 759 DISCRETE SEMICONDUCTORS Bridge Rectifier Diodes Diodes Transistors 766


    Original     		PDF pp751-856 127mm 525mm 1550kHz 280kHz 2000m) 100mm 0119 Solar Lamp Controller transistor SMD W06 78 NXP Semiconductors 70150 TYN225 WH1602A Matsua microswitch 250V AC IRF9520 Samsung iskra BT 200 MOTOR FM 270R 74HC00M

    dyna image

    Abstract: No abstract text available
    Text: mikroPascal PRO for PIC April 2009. Reader’s note DISCLAIMER: mikroPASCAL PRO for PIC and this manual are owned by mikroElektronika and are pro- Reader’s Note tected by copyright law and international copyright treaty. Therefore, you should treat this


    Original     		PDF

    dyna image

    Abstract: No abstract text available
    Text: Table of Contents April 2009. mikroBasic PRO for PIC Reader’s note DISCLAIMER: mikroBASIC PRO for PIC and this manual are owned by mikroElektronika and are protected by copyright law and international copyright treaty. Therefore, you should treat this manual like any other copyrighted material e.g., a book . The manual and the compiler


    Original     		PDF

    PIC16F765

    Abstract: PIC16F816 pic16f745 MPC3202 programming specification for pic18fxxx PIC16F73 I2C communication code in assembly PIC18F653 usart pic16f877a CAN protocol program with pic18f458 PIC16F872A
    Text: Future PICmicro Microcontroller Products Guide 2000  2000 Microchip Technology Inc. DS00168C DATA SHEET MARKINGS Microchip uses various data sheet markings to designate each document phase as it relates to the product development stage. The markings appear at the bottom of the data sheet, between the copyright and document and


    Original     		PDF DS00168C PIC16F765 PIC16F816 pic16f745 MPC3202 programming specification for pic18fxxx PIC16F73 I2C communication code in assembly PIC18F653 usart pic16f877a CAN protocol program with pic18f458 PIC16F872A

    PIC16F877a pwm project with assembly language

    Abstract: PIC16f877a example code spi master configuration PIC16F877A Microcontroller PIC16F877A circuit diagram pic16f877a ethernet web server projects PIC Mid-Range Reference Manual DS33023 PIC16F877A block diagram for digital clock pic16f877a projects PIC16F877A lcd keypad interfacing dc motor drive circuit pic16f877a
    Text: PIC16F7X7 Data Sheet 28/40/44-Pin, 8-Bit CMOS Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology  2004 Microchip Technology Inc. DS30498C Note the following details of the code protection feature on Microchip devices: • Microchip products meet the specification contained in their particular Microchip Data Sheet.


    Original     		PDF PIC16F7X7 28/40/44-Pin, 10-Bit DS30498C specifi34-8870 DS30498C-page PIC16F877a pwm project with assembly language PIC16f877a example code spi master configuration PIC16F877A Microcontroller PIC16F877A circuit diagram pic16f877a ethernet web server projects PIC Mid-Range Reference Manual DS33023 PIC16F877A block diagram for digital clock pic16f877a projects PIC16F877A lcd keypad interfacing dc motor drive circuit pic16f877a