EEssential

 VAVA 7-in-1 USB C hub VA-UC017,  3x USB 3.0 5Gbps USB A ports, SD/uSD card slots, HDMI, PD charging port 100W max.  $25, 100x40x13mm, 60g (...

Does the bandgap reference really have anything to do with the silicon bandgap voltage? The basic idea of the bandgap reference is to o...

A logarithmic amplifier is based on the exponential relationship between the collector current and the base-emitter voltage.  It is also an ...

XP-Pen Star G640 drawing tablet, 6x4", 8192 pressure levels, battery free stylus with two push buttons, resolution of 5080 LPI, for $25...

Raspberry Pi 5 introduced a PCIe connector (16-pin 0.5mm FFC) in the place of the under-utilized display connector.  Now it is possible to u...

One of "self-explanatory" circuits in AoE2 is a nano-ammeter circuit; no explanation is given.  I doubt it is really self-explanat...

Even the simple common emitter circuit can result in some pretty complicated expression for the frequency response. The inclusion of a singl...