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- Tire Pressure Sensor Code @projects:electronics:tirepressuresensor
- ====== Tire Pressure Sensor Code ====== Return to [[:projects:electronics:tirepressuresensor]] Project. <code asm> ;######################... ########################### ;# TITLE "Pressure Sense" ;# ;# Program : Pressure sensor using an MPX5700DP sensor and LCD display ;#
- MySensor board
- ~~NOTOC~~ ====== MySensor board ====== {{ :projects:electronics:mysensors:mysensor_board.jpg?400|}} After reading about the [[http://mysensors.org/|MySensors project]], I decided to design
- Barometric Pressure sensor
- ====== Barometric Pressure sensor ====== ====== Dual pressure sensor board ====== {{:projects:electronics:dualpressuresensor:pressure_sensor.jpg?600|}} {{:projects:electronics:dualpressuresensor:dualpressuresensorboard.jpg
- Tire Pressure Sensor
- ====== Tire Pressure Sensor ====== The pressure is determined by the formula, <m>P=0.145*{{{ADC/2^10}... t DAC and P is the pressure in PSI. The pressure sensor is ratiometric with respect to V<sub>dd</sub> ... egdisplay]] to make it easier to read under different lighting conditions. Also, I have not been able to locate a small, backlight display, or even a smal
- SD GPS Track Logger
- included processor, the PIC18F4550 does not have enough memory for the filesystem library from Microc... SN74AHC125N QUAD BUS BUFF GATE 3ST}} ===== Reference ===== * [[http://www.topografix.com/gpx.asp|GPX Reference]] * [[http://ww1.microchip.com/downloads/en/DeviceDoc/39626d.pdf|PIC18F2620 Datasheet]] * [[htt
- DGPS-11 Beacon Receiver
- 32C Out| | Black|- Negative| | Blue|TTL Out| | Green|Data Ground| | Brown|Shield Ground| How can I... ppliers for all of the parts except for one component, the MC145157 PLL Frequency synth. is hard to find. [[http://www.lansdale.com/part_search.php?search... a supplier. Or buy it off of eBay for $30. **Current Status: Found the MC145157 chip** ===== Compone
- Temperature sensing devices
- ====== Temperature sensing devices ====== ===== ADT7410 Digital I2C Temperature Sensor ===== ±0.5°C Accurate, 16-Bit Digital I2C Temperature Sensor ^Pin^^Wire Colour^ |1|SCL|Yellow| |2|SDA|Blue|... c| |8|Vdd|Red| |7|Gnd|Black| Need 0.1uF Cap between pins 7 & 8 {{:projects:electronics:adt7410_pin
- 7-segment display module
- ====== 7-segment display module ====== {{:projects:electronics:7segdisplay:display_working.jpg?400 |Wo... s. I made this board using Eagle for layout and then I used [[http://www.batchpcb.com|BatchPCB]] to ma... PIC microcontroller, initially for the pressure sensor and later for other projects. {{:projects:ele... eet}} {{:projects:electronics:la-601bl.pdf|7-segment Datasheet}} [[projects:electronics:7segdisplay:
- 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.
- GPS
- ub>pk-pk</sub> serial data| | |Orange|3.3V| | |Green|3.3V| | |Red|0V| Referenced to Ground {{:projects:electronics:gps:tek0006.jpg?300|}} [[http://www.h... nly * [[http://byonics.com/gst-1/|GST-1 GPS Sentence Translator]] * Jupiter - OEM Module * [[http://www.gpskit.nl/index-en.htm]] === RTCM -
- Optical Mouse
- se:opticalmouse.jpg?400|}} With this project I intend to use an optical mouse sensor chip for detecting movement on a translation stage. Interfacing the chip with a PIC microcontroller. The mouse shown contains the ADNS-2051 sensor. I removed the microcontroller and rewired the
- Sump pump Monitor
- jpg?direct&300|}} <WRAP left round box 60%> My parents have a cistern and a sump pump which would be u... d accurately, the plastic hose from the pressure sensor must be slightly above where the water level when the pump turns off. The Cistern hose is connecte... </WRAP> <HTML><BR CLEAR="ALL"><BR></HTML> ===== Sensors ===== Sensors on this board include: * MPX
- Motorola IR-200E Barcode Scanner
- er ====== {{: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|}}
- USB Serial Adapter
- apter ===== Drivers: [[http://www.prolific.com.tw/eng/downloads.asp?ID=31]], {{:projects:electronics:u... rple|RTS| |Red|TX (From computer)| |Blue|CTS| |Green|RI??| |Grey|DTR| {{:projects:electronics:usbserial:pl2303pinout.gif?300|}} ==== Reference ==== * {{:projects:electronics:usbserial:ds_p
- 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| |A3 on U23