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Tire Pressure Sensor Code @projects:electronics:tirepressuresensor
69 Hits, Last modified:
ude "XLCD.inc" ;This include all required files and variables. #endif ; *... if (i==4) movlw ' ' #ifdef LCD_PICDEM call XLCDPut #endif endif movlw '0' btfsc Floc,(7-i),A i+=1 movlw '1' #ifdef LCD_PICDEM call XLCDPut #endif endw endm I2C_AckWait macro... ndStart macro BSF SSPCON2,SEN ; Send Start call I2C_BusyWait endm I2C_SendStop macro BSF SSP
Sump pump Monitor
5 Hits, Last modified:
turns off. The Cistern hose is connected to a small air pump which is cycled occasionally. </WRAP> <HTML><BR CLEAR="ALL"><BR></HTML> ===== Sensors ===== Sensors on this board include: * ... 0 inches) of water (Used for the sump) * 2 Optically isolated inputs, one input is triggered when the
MySensor board
2 Hits, Last modified:
org/|MySensors project]], I decided to design a small circuit board to hold the Arduino and radio modul... ni pro and the NRF24L01+ module. <HTML><BR CLEAR="ALL"></HTML> ===== Components and layout ===== I'm us
Panel Meter Interface
2 Hits, Last modified:
lw 0xF0 movwf DAC,A movlw 0x00 movwf DAC+1,A CALL SPIclkout CALL Delay goto myloop ; ================= ; === Functions === ; ================= SPIclk
Tire Pressure Sensor
2 Hits, Last modified:
ditions. Also, I have not been able to locate a small, backlight display, or even a small single line display that is inexpensive. ===== Prototype ===== {{
X10 Interfacing
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o I figured out the pinout. 4N35's are used internally for opto-isolation, The power is from a transformer internally, with a rectifier and a capacitor. {{ :projects
7-segment display module
1 Hits, Last modified:
ntrolled via I2C from a PIC microcontroller, initially for the pressure sensor and later for other proj
Magtek Card reader
1 Hits, Last modified:
s Track 2 2.7 to 5.5VDC When no card is present all pins are high. When a card is present pin 5 goes
DGPS-11 Beacon Receiver
1 Hits, Last modified:
old design online and I have found suppliers for all of the parts except for one component, the MC1451
Relay board
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ay_board.pdf|Board layout}} <HTML><BR CLEAR="ALL"></HTML> ====== OptoRelay Board ====== {{ :projec
SD GPS Track Logger
1 Hits, Last modified:
is tied to Chip Select line. <HTML> <BR CLEAR="ALL"> </HTML> ===== Datasheets ===== {{:projects:ele