I built a like-new(but really refurbished) iPhone entirely from parts I bought in the public cell phone parts markets in Huaqiangbei. And it works! I've been fascinated by the cell phone parts markets in Shenzhen, China for a while.
In our era of advanced technology and high-speed Internet connections, you can find information on virtually anything. In the space of just a few minutes, we can find recipes for the tastiest pie or learn all about the theory of wave-particle duality.
Adafruit has released a tutorial showing how to build a portable TFT screen based Raspberry Pi RTL-SDR spectrum analyzer that was inspired by the HackRF portapack. Construction of the project is very simple and the “FreqShow” python software is provided a
Combining the warmth of vacuum tubes with the reliability of solid-state design, the McIntosh Integrated Amplifier is the company's first hybrid integrated amp. Its preamp stage consists of two and two vacuum tubes housed in protective cages,.