Constructional Project

Transcription

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2 Cx/Lx S C L L C C RLY 0 F 0 F COMP 47k +5V Fout CAL C/L HOW IT WORKS: THE EQUATIONS (A) In calibration mode () With just L and C: F =. L.C () With C added to C: F =. L.(C+C) (3) From () and (), we can find C: F C = C (F F ) (4) Also from () and (), we can find L: L = 4. F.C (B) In measurement mode (5) When Cx is connected: F3 =. L.(C+Cx) so Cx = C F F3 ( ) (6) Or when Lx is connected: F3 =. (L+Lx).C so Lx = L F F3 ( ) NOTE: F & F3 should always be lower than F Inductance Range: Capacitance Range Range Selection: Sampling Rate: Expected Accuracy: Power Supply:

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4 D PO WE R REG 7805 EXT 9 V DC K A + IN OU T +5V S3 GN D 9V BATTERY F 5V 0 F 6V 4. 7k ZERO 00n F 4. 7k S 4 4 Vdd MC LR C 3 CM P 68k Vdd 8 AN RS 4 RB5 CM P 0 F L S a LCD CO NTRAST VR 0k 3 CO NTRAST 6 LCD MODULE AN EN 6 0 TANT RB4 47k L 00 H R/ W 5 D7 D6 D5 D4 D3 D D D0 GN D AN 0 7 Cx/Lx 4x k IC PIC6F68A 0 F 6V D: N 448 (C ) nf nf (C ) 6 S b IN CREASE C RDG LK4 RB0 K A DEC REAS E C RDG LK3 7 RB RB7 3 6, 4 CHEC K FR EQ F LK 8 RB K D: N 4004 CHEC K FR EQ F LK 9 RB3 D RLY JAYC AR SY-4030 K A 5 OS C A (5V/ 0mA) 7, 8 X 4MHz RLY OS C RB6 C/ L GN D 33pF 33pF Vss 5 4 IN 6 7 GN D OU T DIGITAL LC METER

5 X 33pF 4MHz 33pF IC PIC6F68A n F 4. 7k 4. 7k 0 F 0 F + 47k S 448 D ZERO + C k k k k LK LK nf RLY SY-4030 LK3 LK4 nf C Cx/Lx L 00 H C L S REG 7805 DIGI TAL L-C METER S3 + F PO WE R LCD CO NTRAST D 4004 VR 0k 68k 0 F + + BATTERY CO N 9V IN

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7 6mm LONG CSK HEAD M3 SCREWS 4-WAY DIL HEADER mm LONG M3 MYLON SCREWS WITH MULTIPLE NUTS LCD MODULE 4x HEADER (LK-LK4) (SMALLER COMPONENTS NOT SHOWN, FOR CLARITY) ZERO CAPACITANCE 5mm LONG M3 TAPPED SPACERS PC BOARD LID OF BOX 6mm LONG M3 SCREWS DIGITAL LC METER ACTIVE Cx OR Lx GND INDUCTANCE POWER LCD CONTRAST 9V DC IN

8 PLACE SMD CAPACITOR HERE FOR MEASUREMENT :53:30 PIN JACK S BODIES OF BANANA PLUGS PLUG BODIES & PIN JACKS SOLDERED TO PC BOARD COPPER T SHORTING BAR FOR ZEROING METER IN INDUCTANCE MODE inductance

9 HandsOn Technology Low Cost 805 C Starter Kit/ Development Board HT-MC-0 HT-MC-0 is an ideal platform for small to medium scale embedded systems development and quick 805 embedded design prototyping. HT-MC-0 can be used as stand-alone 805 C Flash programmer or as a development, prototyping and educational platform Main Features: 805 Central Processing Unit. On-chip Flash Program Memory with In-System Programming (ISP) and In Application Programming (IAP) capability. Boot ROM contains low level Flash programming routines for downloading code via the RS3. Flash memory reliably stores program code even after 0,000 erase and program cycles. 0-year minimum data retention. Programmable security for the code in the Flash. The security feature protects against software piracy and prevents the contents of the Flash from being read. 4 level priority interrupt & 7 interrupt sources. 3 general purpose I/O pins connected to 0pins header connectors for easy I/O pins access. Full-duplex enhanced UART Framing error detection Automatic address recognition. Programmable Counter Array (PCA) & Pulse Width Modulation (PWM). Three 6-bits timer/event counters. AC/DC (9~V) power supply easily available from wall socket power adapter. On board stabilized +5Vdc for other external interface circuit power supply. Included 8x LEDs and pushbuttons test board (free with HT-MC-0 while stock last) for fast simple code testing. Industrial popular window Keil C compiler and assembler included (Eval. version). Free Flash Magic Windows software for easy program code down loading. PLEASE READ HT-MC-0 GETTING STARTED MANUAL BEFORE OPERATE THIS BOARD INSTALL ACROBAT READER (AcrobatReader705 Application) TO OPEN AND PRINT ALL DOCUMENTS

10 Inspiration and goals... HandsOn Technology provides a multimedia and interactive platform for everyone interested in electronics. From beginner to diehard, from student to lecturer... Information, education, inspiration and entertainment. Analog and digital; practical and theoretical; software and hardware... HandsOn Technology provides Designs, ideas and solutions for today's engineers and electronics hobbyists. Creativity for tomorrow's better living... HandsOn Technology is a manufacturer of high quality educational and professional electronics kits and modules, ucontroller development/evaluation boards. Inside you will find Electronic Kits and fully assembled and tested Modules for all skill levels. Please check back with us regularly as we will be adding many new kits and products to the site in the near future. Do you want to stay up to date with electronics and computer technology? Always looking for useful hints, tips and interesting offers? HandsOn Technology believes everyone should have the tools, hardware, and resources to play with cool electronic gadgetry. HandsOn Technology's goal is to get our "hands On" current technology and information and pass it on to you! We set out to make finding the parts and information you need easier, more intuitive, and affordable so you can create your awesome projects. By getting technology in your hands, we think everyone is better off We here at HandsOn like to think that we exist in the same group as our customers >> curious students, engineers, prototypers, and hobbyists who love to create and share. We are snowboarders and rock-climbers, painters and musicians, engineers and writers - but we all have one thing in common...we love electronics! We want to use electronics to make art projects, gadgets, and robots. We live, eat, and breathe this stuff!! If you have more questions, go ahead and poke around the website, or send an to sales@handsontec.com. And as always, feel free to let your geek shine - around here, we encourage it...