Some Electronics Information
Why some CMOS circuits don't work as you expect
Problem using 2N1613 'drop outs' in place of 2N697
Confusion with Japanese transistors E.g. A transistor labeled as "C945" may not be a 2SC945, but a KSC945 instead (different pinout).
Fuses - quick and slo-blo
Does a tingle mean that your appliance is dangerous ?
Oscilloscopes - XYZs of Oscilloscopes - early version
Oscilloscopes - XYZs of Oscilloscopes - later version
Oscilloscopes - DSO