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Alimentatore LowCost Switching 13V-15A
![Alimentatore LowCost Switching 13V 15A](images/alimentatore-lowcost-switching-13v-15a.jpg)
Costruito recuperando i pezzi da alimentatori da PC tipo ATX di circa 350 - 400W
post 04 Jul 2024
Projects_Homebrew Links →
Simple CW keyer elbug
This is a CMOS 4000 series logic based keyer with Dot priority
Simple qrp equipment
These simple circuits and rigs can give you much fun: home brewing, portable activities during holidays
Spiral Top Loading of a Short Vertical
A spiral coil was constructed on a form composed of 69mm OD plastic drain-pipe and 15 plastic radials
St.Tomass Wi-Fi Antenna
Modifica di un'antenna commerciale uso WIFI
Simple field meter
Simple field meter,optional amplifier circuit
170
This is a CMOS 4000 series logic based keyer with Dot priority
These simple circuits and rigs can give you much fun: home brewing, portable activities during holidays
A spiral coil was constructed on a form composed of 69mm OD plastic drain-pipe and 15 plastic radials
Modifica di un'antenna commerciale uso WIFI
Simple field meter,optional amplifier circuit
![PIC-Keyer](/../antype/ch40/images/pic-keyer.jpg)
PIC-Keyer This project describes the construction of a real "QRP" keyer with a small microcontroller PIC 16F84, with slightly modified hardware also PIC16F62