Correct way to measure a wall wart voltage
51
Is it normal for DC wall adapter power supplies to provide voltages above the nominal ones?
95264
Conversion of Moving coil galvanometer to ammeter
145546
Resistor wattage measurement
146559
How to test a power supply?
59928
Transformer VA Ratings, Power factor, and Pulsed current
151190
Line level voltage to drive LED display
12515
Class II isolated power supply (wall wart) -- referencing the output to mains neutral?
88908
Why does my multimeter show a wrong voltage over a large resistor?
14829
Measure PIC's own VDD-in voltage with ADC
119205
Trying to understand prescaling voltage for ADC with least error
148969
What is EV, when used as an absolute measurement?
72609
Testing a UPS by unplugging it from the wall
125652
Double-Subscript Notation for Voltages
103078
What value to use to convert ADC value to voltage?
423
Choosing power supply, how to get the voltage and current ratings?
133667
How do I calculate the voltage needed to heat up a wire to a certain temperature?
34454
Pn junction voltage drop?