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- Tire Pressure Sensor Code @projects:electronics:tirepressuresensor
- 8 if (i==4) movlw ' ' #ifdef LCD_PICDEM call XLCDPut #endif endif movlw '0' btfsc Fl... oc,(7-i),A i+=1 movlw '1' #ifdef LCD_PICDEM call XLCDPut #endif endw endm I2C_AckWait mac... endStart macro BSF SSPCON2,SEN ; Send Start call I2C_BusyWait endm I2C_SendStop macro BSF SSPCON2,PEN ; Send Stop call I2C_BusyWait endm #ifdef LCD_PICDEM ;The
- SD GPS Track Logger
- {{:projects:electronics:sdgpslogger:prodmanualsdcardv1.9.pdf|}} [[http://forum.microchip.com/tm.asp... } {{:projects:electronics:sdgpslogger:sd_and_mmc_cards_pictail_daughter_board_info_sheet.pdf|SD and MMC Cards PICtail Daughter Board Info Sheet}} ^Function... Data In| |SDO|O|RC7|SPI Data Out| |CD|I|RB4|Physical Card Insertion Detect Signal| |WD|I|RA4|Physical
- Optical Mouse
- ~~NOTOC~~ ====== Optical Mouse ====== {{ :projects:electronics:opticalmouse:opticalmouse.jpg?400|}} With this project I intend to use an optical mouse sensor chip for detecting movement on a tr
- Magtek Card reader
- ====== Magtek Card reader ====== MAGTEK 21045002 MagStripe card reader. {{:projects:electronics:magtek-21045002.pdf|... Track, only reads Track 2 2.7 to 5.5VDC When no card is present all pins are high. When a card is present pin 5 goes low and remains that way for 140ms
- Tire Pressure Sensor
- hting conditions. Also, I have not been able to locate a small, backlight display, or even a small sin... D|0-101.5PSI Pressure sensor|[[http://www.digikey.ca/|Digikey]]|$16| | |2 Ft 1/4ID hose|Home Hardware|... ===== Here are the {{:projects:electronics:excel_calculations.pdf|calculations}} I did for the module using a spreadsheet to graph the transfer function,
- Motorola IR-200E Barcode Scanner
- ====== Motorola IR-200E Barcode Scanner ====== {{:projects:electronics:barcodescanner:energizer_aaa_upc.png?200|AAA Battery UPC}} {{:projects:electronics:barcodescanner:energizer_aaa.png?600|}} {{:projects:electronics:barcodescanner:energizer_aaa2.png?600|}}
- DGPS-11 Beacon Receiver
- Green|Data Ground| | Brown|Shield Ground| How can I tell if my WAAS GPS is giving me a corrected f... mers - [[http://www.abra-electronics.com/products/catalog/IF-Transformers-Micro-Miniature-p-4768.html|... eacon Transmitters ===== [[http://www.ccg-gcc.gc.ca/eng/CCG/DGPS_Home|Canadian Coast Guard]] [[http://www.navcen.uscg.gov/dgps/Default.htm|United States
- Panel Meter Interface
- |12-bit DAC with SPI Interface}} ===== 1mA Full scale meter ===== 94 Ohms coil resistance 5K Ohm res... dware shutdown| |7|AVss|Analog ground| |8|VoutA|DACa Output| **PIC Assembly Code** <code asm> SPIc... vlw 0xF0 movwf DAC,A movlw 0x00 movwf DAC+1,A CALL SPIclkout CALL Delay goto myloop ; ================= ; === Functions === ; ================= SPI
- Sump pump Monitor
- uld check the cistern level with a pressure gauge calibrated in inches of water. There was a rubber sq... s connected to a small air pump which is cycled occasionally. </WRAP> <HTML><BR CLEAR="ALL"><BR></HT... 40 inches) of water (Used for the sump) * 2 Optically isolated inputs, one input is triggered when t... ember this from a Better or Worse comic: [[http://catalog.fborfw.com/indexid.php?q=5623|How much sump
- Mechanical Indicators
- ====== Mechanical Indicators ====== {{:projects:electronics:mech_indicator.jpg?400|}} 8 Segments |1|2|3|4||x|x|7|x| - X's ar
- MySensor board
- SOT-23 3.3V voltage regulator. 0805 resistors and capacitors (Soldered on a thru-hole capacitor until the 0805 tantalums arrive) **Connections** * 1 x ... components before ordering board - 0805 Tantalum caps are pricey * Molex connectors slightly too cl
- Barometric Pressure sensor
- r)| |Blue|TX (Data to computer)| |Black|Gnd| ==== Calculations ==== http://www.chrisgood.com/uav/avio... ==== * Use an LM358 Op-Amp * 80 to 110 kilopascals >> 3.125 to 4.475 Volts. 3 to 4.5 volt rate wil
- GPS
- it, CMOS/TTL| |2|Prime Power|5VDC ±5%, 150 mA typical| |3|TXD 1|Port 1 transmit, CMOS/TTL| |4|Backup Power|+3.2VDC to +5.25VDC, 2μA typical| |5|RXD 1|Port 1 receive, CMOS/TTL| |6|1 PPS|Pul
- Serial Converter
- l Converter ====== MAX233CPP * Uses no external caps ===== Cable Pinout ===== ^Pin ^Wire Colour ^Description ^ |1 |N/C | |2 |Black |RD (Data to PC) |
- Temperature sensing devices
- |6|CT|n/c| |8|Vdd|Red| |7|Gnd|Black| Need 0.1uF Cap between pins 7 & 8 {{:projects:electronics:ad