This project help you to build a Power and Swr Meter (for HF) using Arduino Uno R3 (or compatible) and cheap board SWR Bridge v.1.4 available on Amazon or Ali Express for about 5$. Despite the very ...

The diy swr meter circuit schematic we present can be used to powers up to 100W rf and can help you obtain the maximum power to antenna. Usually a transmitter is adjusted to the maximum power at the ...

Arduino-based wow-and-flutter meter for testing tape recorders per DIN 45507 / IEC-386 / GOST 11948-78 and historical Japanese WRMS metric. Requires 8-bit 16-MHz AVR board (memory sizes aren't ...