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Tire Pressure Sensor Code @projects:electronics:tirepressuresensor
9 Hits, Last modified:
Off equ B'00000110' ;increment DDRAM address no Display shift during read and wite XLCDAddrIncrOf... p nop ; First two instructions are nop's (no operation) to allow ; usage of break-poi... all bin16_bcd movlw 0 ; Skip updating if no change xorwf Thou,W,A ; xorwf Hund,W,A ; ... subwf Checksum,W,A; btfsc STATUS,Z ; goto No_Change ; movf Mtemp0,W,A ; movwf Checksum,A
Magtek Card reader
1 Hits, Last modified:
le Track, only reads Track 2 2.7 to 5.5VDC When no card is present all pins are high. When a card i
Panel Meter Interface
1 Hits, Last modified:
Ohm resistor @ 5V = 1mA ==== MCP4821 ==== ^Pin No.^Symbol^Function^ |1|Vdd|Supply (2.7 to 5.5V)| |2
Serial Converter
1 Hits, Last modified:
====== Serial Converter ====== MAX233CPP * Uses no external caps ===== Cable Pinout ===== ^Pin ^Wi