LCD Frequency Counter/Digital Scale by Carlos, PY2CSU, & Sérgio, PY5IG

Schematics by: Carlos, PY2CSU
PCB by: Sérgio, PY5IG
Date: October 2001
Page udated: November, 18th 2001
Software: Probably original by Peter, OM3CPH

Carlos, PY2CSU, did a good job! He enhanced LCD digital scale in schematics - now it contains amplifier enhancing the sensitivity.