To measure battery load, conduct three voltage tests with the multimeter. Start the first test by making sure the vehicle is turned off. Multimeters have two probes: red and black. The red probe is for contact with the positive terminal and the black probe is for contact with the negative ...
If you have not been trained to work with high voltage then have an amp technician service your amp. See more tube amplifier safety info here. We'll start with the amplifier layout diagram. If things get too cluttered you can refer back up to this clean diagram. The guitar input jacks ...
You can also leverage diagnostic tools like a test light or a multimeter to identify the dead fuse without having to pull it out. Both devices are affordable and easy to use.Replacing the Fuse Once you have identified the blown fuse, consult your owner’s manual to learn the type of ...
When measuring with a multimeter, if the resistance between the two poles of lC is normal, it can be judged that TL431 is normal. When using the maintenance power supply for the power-on test, when the power supply voltage is changed, if the TL431 pole-to-ground level changes twice, ...
How to Design and Build a MPPT Solar Charger Using Arduino: Introduction I had a busy retirement life before COVID19 lockdown. To battle the lockdown boredom, I built an off grid solar energy system with a few 100W solar panels, a PWM charge controller,
“adj” pin so if we use it to bias the transistor we get negative feedback which improves the quality of the modulation. More output voltage = more bias current = lower output voltage. The result, is a very cheap, low components-count, very sensitive AM modulator that can supply lots ...
Too a newbie like me, the world of analogue electronics, audio, impedance etc is very bewildering, so I apologise for my incompetence. Apparently I need an "impedance matching transformer" with the primary connected to the output of the first amp and secondary connected to the input o...
The key reason to keep consumer computers in service longer is environmental. It costs bothnatural resourcesandenergyto make a computer. Lots. If your current machine still does the job, replacing it with a new computer of the same type (desktop or laptop) unnecessarily consumes resources. ...