What’s one to do with some nice little relays of questionable pinout, and prototyping board? How about a quietly clicky 4-bit counter using relay logic with tons of buttons? [Agatha Mallett] ...
Abstract: This paper presents a bi-directional 360° phase shifter implemented in a 250-nm InP DHBT technology for WR-3.4-band phased-array applications. By combining a 180° reflection-type phase ...
Abstract: High-gain, nonisolated bidirectional dc–dc converters (BDCs) play a vital role in interfacing energy storage systems with microgrids and electric vehicles (EVs). However, the existing ...
An ESP32-based visitor counting system using an IR sensor and buzzer. The system detects objects passing in front of the IR sensor and increments a visitor count in real-time. A buzzer provides an ...
* stream of errors from the sensor. * Set this value to 0 to fail on the first error to occur.
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