| Manuel Junyent has send me the following photo's with
his comments. He wants to use the tachometer for his lathe. He changed the
circuit a little to interface it to his sensor. Take a look:

Front view, working OK.

The schematic.

Artwork PCB.

The PCB before etching, the black spots are corrections (bad quality
photolithography)

Solder side, drilled and plated, ready to go!

Component side.

Component side, mounted and fully operational (without LCD) .

LCD and PIC pcb piggy backed together.

Rear view.

Sensor schematic

Sensor PCB

With Hall effect sensors

The support

The magnets

Installed

Final installation

Signals from sensor

Signal from sensor

Several views of my lathe without tachometer (yet).....!!


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