electric drills, etc., for the installation and fastening of equipment. At the same time, it is necessary to prepare electrical tools, such as multimeter, megger, wire clamp, etc., for the connection and testing of electrical circuits. The specifications of tools should be selected according to...
You also know from that article that one way to implement gates involves relays. However, no modern computer uses relays -- it uses "chips." What if you want to experiment with Boolean gates and chips? What if you would like to build your own digital devices? It turns out that it...
The left two relays can be seen with their N/O contacts connected with the mains AC input, while the N/Cs are terminated with the inverter mains output. The relays at the right side have their N/O contacts rigged with battery charger (+)/(-) inputs, and the N/Cs are integrated to...
For example, let’s say you wanted to build amicrocontroller circuitthat controlled relays with the output pins from the microcontroller. Then you would want a little driver on the output. If you are unsure about this driver circuit, you could throw it together on a breadboard quickly to make...
Multimeter (to test voltage and connections) Wiring the Meter: Step-by-Step Turn Off the Power Before starting, turn off the power to the service panel. Also, make sure power coming in from the utility is off. Double-check with a multimeter to ensure there’s no voltage. Check the Meter...
Check possible causes unrelated to harmonics Inputs and outputs to electronic controls Faulty relays, sensors, etc. Determine the possibility of harmonics in the distribution system by taking readings with an instrument that measures total harmonic distortion. Use a power quality analyzer to identify th...
The testing of the relay requires a multimeter. After then, you can look for the following steps to test the PCB relays: 1. You need to set the multimeter into continuity-checking mode. 2. You need to test the continuity between the NC contact and poles. 3. You must check for the...
The simplest solution is to use the microcontroller itself to check: int x = analogRead(A0); static int min = x; static int max = x; if(x < min) min = x; if(x > max) max = x; Move the joystick, see what comes up, and set the range rescaling to the min/max. You can ...
To test a capacitor, use a multimeter set to the capacitance setting. Disconnect the power, then remove the capacitor. Place the probes on the terminals and check the reading against the capacitor’s specifications. If the capacitor is bad, you need to replace it. Always ensure the replacement...
They replaced the wiring and the problem was solved. A Fluke-filled tool bag The complete list of Fluke tools that Rob depends on is too long for this space, but those he uses the most include: ScopeMeter 125to check silicon-controlled rectifiers (SCRs) to ...