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Simple tachometer for 1 to 99 pulses per rev
Tacho Schematic
Tachometer software description
Sensor Options
Stripboard Layout
Parts List
Pictures of the board
Examples of sensor mounting
Interface for "Yuriys Android DRO"
Interface schematic
Android DRO Tacho Module
Tacho Module Schematic
Source and Hex files
Tachometer module description
Hacking the "Wixey" type Angle Gauge
Interface description
DRO Information Links
My version of a waste oil burner using the Hago Delavan syphon nozzel
Blower system for my waste oil burner
Santon reversing switch (Used on some Myford lathes.)
Santon switch pictures
LED Driver 01
Sieg X3 Milling Machine information
Pictures of X3 speed control board.
Contact me
Repairing Honeywell CM901 display fault
DHT22 to serial ASCII converter
Examples of sensor mounting
Alegro Hall effect gear tooth sensor on a Chester DB-10G Lathe
Hall effect sensor mounted on a Sieg X3 mill
Maplin SY-CR102 reflective opto sensor mounted on drill press
Roy Stark's Hall sensor mounting on a Myford S7