79. Basic Switch Mode Supply. ZS6RVC. Early 2022. Ronald VerweerdtMay 10, 20250 min read220V-AC to 12V-DC 18W Switching Power Supply.pdfDownload PDF • 1.97MB
102. 3W Forty-9er Shortwave Radio Transceiver for QRP Ham CW Radio. ZS6TJ Project weekend Project. 18 October 2025.
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