EEssential

I have a couple of old routers that have been replaced by more advanced ones.  So it is time to hack them for other use.  A wireless router ...

  The crank is a 3-phase alternator driven by two-stage gears; the output is rectified by 6 diodes.   There is another diode between the bri...

In the case of the RS422 circuit, the differential line impedance is around 100$\Omega$ and "Standard RS-422 drivers are guaranteed ...

I have a string of 60 LED Christmas lights with 6 distinct colors.  I measured the RMS current with a multimeter, and found to be 27mA, so i...

 Many automotive grade chip film resistors have the  anti sulfur feature.  Bourns has a white paper, "Advantages of Sulfur-Resistant Fi...

Windows Change network setting with commands netsh interface ip set address "Local Area Connection" static IP NetMask Gateway ...

Powers off 3V CR2032 lithium coin battery One piezo buzzer Toshiba's TC35678FSG BLE 4.2 Cortex-M0 (13 or 26MHz) 384KB ROM, 192KB RAM, ...