LED Circuits

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Low frequency divider
DTMF Receiver IC MT8870 Tester
Direct PC access through the mounts DB9 connector
Data logging with an EEPROM
Brightness controller for low power lamps
Privacy Telephone Intercom
Tesla coil project and other high voltage projects
random motor circuit
RF Probe Circuit
EI30 Transformer board
Selfrunning Free Energy 5 KW Kapanadze 1
Agricultural harvester warehouse full schematic reminder