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- Tire Pressure Sensor Code @projects:electronics:tirepressuresensor
- to $-2 endm I2C_SendStart macro BSF SSPCON2,SEN ; Send Start call I2C_BusyWait endm I2C_SendStop macro BSF SSPCON2,PEN ; Send Stop call I2C_BusyWait endm #ifde... tion) to allow ; usage of break-points when using the debugger. goto Start ; G... ; memory and instructions always start at even numbers. ; i.e. The first instruction be
- SD GPS Track Logger
- erence]] * [[http://ww1.microchip.com/downloads/en/DeviceDoc/39626d.pdf|PIC18F2620 Datasheet]] * [... idcplg?IdcService=SS_GET_PAGE&nodeId=1824&appnote=en532040|AN1045 Implementing File I/O Functions Usin... IC [[http://www.saelig.com/miva/merchant.mvc?Screen=PROD&Product_Code=FF004&Category_Code=FF|uALFAT3]... 3]] Other projects online * [[http://www.gedanken.demon.co.uk/gps-sd-logger/|GPS to SD-Card Data Lo
- Tire Pressure Sensor
- different lighting conditions. Also, I have not been able to locate a small, backlight display, or even a small single line display that is inexpensive. ... g a spreadsheet to graph the transfer function, then working out the math to something which can be ea
- Magtek Card reader
- ingle 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 after the entire card has been read. ==== Pin Information ==== ^Pin ^Color ^Si... Black|GND| |3|Orange|DATA| |4|Brown|STROBE| |5|Green|CARD PRESENT| ==== Data Information ==== ^DATA^S
- DGPS-11 Beacon Receiver
- 32C Out| | Black|- Negative| | Blue|TTL Out| | Green|Data Ground| | Brown|Shield Ground| How can I... GPS_Home|Canadian Coast Guard]] [[http://www.navcen.uscg.gov/dgps/Default.htm|United States Coast Gua
- GPS
- ub>pk-pk</sub> serial data| | |Orange|3.3V| | |Green|3.3V| | |Red|0V| Referenced to Ground {{:project... - OEM Module * [[http://www.gpskit.nl/index-en.htm]] === RTCM - DGPS Information === * http:
- Temperature sensing devices
- c| |8|Vdd|Red| |7|Gnd|Black| Need 0.1uF Cap between pins 7 & 8 {{:projects:electronics:adt7410_pinout.png?600|}} From [[http://www.analog.com/en/sensors/digital-temperature-sensors/adt7410/produ
- 7-segment display module
- s. I made this board using Eagle for layout and then I used [[http://www.batchpcb.com|BatchPCB]] to ma
- IO Board
- RDY|n/c| |B2 on U23 - not used|-SMEMW |B11^#|A11|AEN |Address enable; active high when DMA controls bus| |B1 on U23 - not used|-SMEMR |B12^#|A12|SA19 |n/c
- Mechanical Indicators
- cs:mech_indicator.jpg?400|}} 8 Segments |1|2|3|4||x|x|7|x| - X's are open 18 Ohm resistance per coil
- MySensor board
- uture Design notes ===== * Correct the silkscreen for the I2C connector * Counterset the breakawa
- Relay board
- yboard:relay_board_schematic.png?500|}} SPDT JW1FEN relays from an old UPS. Matches closest to Digik
- Serial Converter
- |N/C | |5 |Red |Ground | |6 |Orange |DSR | |7 |Yellow |RTS | |8 |Green | CTS | |9 |N/C | |S |Shield |
- USB Serial Adapter
- rple|RTS| |Red|TX (From computer)| |Blue|CTS| |Green|RI??| |Grey|DTR| {{:projects:electronics:usbseri