hz-mod-new

4 дня назад

This video demonstrates how to upgrade the firmware and add a high-impedance circuit to a small SSB receiver. The upgrades improve the receiver's sensitivity and user experience, making it easier to receive weak signals. The video walks viewers through the process step-by-step, providing detailed instructions and explanations.

1 год назад

This video demonstrates a simple and inexpensive modification to guitar pickups that can alter their tone. The presenter explains the concept of resonant peaks and how adding capacitors in parallel can shift these peaks, effectively re-voicing the pickup. The video then shows how to implement this mod by soldering capacitors directly to the guitar's wiring.

11 месяцев назад

This video demonstrates how to modify a Quansheng UV-K5 radio to receive shortwave signals. The modification involves replacing a few components on the radio's circuit board with a new board that includes a Si4732 chip. The video shows the process step-by-step, including soldering and connecting the new board.