An hourglass tells you what it is in the name — a glass that you use to measure an hour of time passing by. [EDISON SCIENCE CORNER] has built a digital project that mimics such a thing, with little ...

Build festive decorations using Arduino and Raspberry Pi with these five creative holiday projects and video tutorials ...

Supplementing commercial and public radio, community radio stations typically operated with a volunteer or low-wage staff and ...

He designed museums, schools and libraries before winning international acclaim late in life for 15 Central Park West in Manhattan, hailed as a rebirth of the luxury apartment building. By Robert D.

Being a sports fan is a blast, but the sheer volume of news can be overwhelming. That's where Kendall and Jeff come in. Each weekday morning, they'll package everything you need to know in a fun and ...

Arduino Nano sketch for for Si5351 VFO and Bob Fontana AK3Y's Tuna Tin S QRPp CW Transmitter This Arduino Nano Si5351 VFO code designed for the Tuna Tin S, a low power amateur radio radiotelegraphy ...

All files in this repository are related to the Arduino Uno/Leonardo-based replacement TI-95 cassette interface I am building. I decided to call it a CIduino7 as it replaces the original TI cassette ...

Abstract: A single-chip digital polar transmitter integrates an all-digital synthesizer, a PM/AM modulator, and a linearized power amplifier for WCDMA/WLAN. The 1.7~2.5GHz LO signal is generated from ...

Abstract: This paper presents a 2×14bit cartesian Direct Digital RF Modulator (DDRM) in 28nm CMOS. Both AM and PM calibration circuits are introduced to relax matching requirements of the DDRM units ...

Since Watson and Crick discovered DNA's double helix structure in 1953, the US has been a leader in biotechnology innovation. American excellence in this field has greatly benefited people around the ...