Hello, I have a tipping trailer with an electric pump and therefore a built-in car battery. I'd like to install a 12-volt cigarette lighter socket on the front of the drawbar. Then connect it with a cable with two plugs: one to the drawbar and one to a 12-volt socket in the trunk. It should…
Hello, I just wanted to ask if someone could explain the problem to me and why it was solved the way it was suggested in the hint. Thank you very much!
Good morning, I'm currently building a bridge rectifier with four 1N4007 diodes. The diodes are soldered into Weidmüller double-decker terminals, since we're doing this on a perforated metal plate circuit. After connecting the diodes and L1 + N, I have 230V AC primarily, but measure about 100-105V DC on the secondary side. I don't quite…
Hello, In vocational school, we're studying diodes. We were asked to say which lamp lights up when the input voltage Ue is positive. -The current bridges the lamps P1 and P2 through the diode (D1) -Why then does it not flow through the diode (D2) but through the resistor (R1) back to N? Would be…
Can someone explain the function of these transistors in the picture? For your information, the sensor has a lower resistance during the day and a higher resistance at night. However, I don't know in which order the current flows through the transistors—from emitter to base, and then to the second transistor? Or directly through the…
Can you help me solve this example about diodes: In a circuit, a red LED is driven by an Rv = 330 Ohm at +5V. a) Calculate the current flowing through the LED. b) The red LED is to be replaced by a blue LED (Uf = 3.3V) with similar brightness (same current). Which series…
Hello everyone, I'm looking for the brightest IR diode available for purchase here. at reichelt electronics But I don't know what to base my decision on. It would be nice if someone could tell me exactly which IR LED is the brightest IR LED under the link above.
Hello folks, I have a quick question. Since our teacher doesn't give any explanations, I'm wondering why these diodes (see picture) have a red border on our board plan. Thanks for the answers!
Hello, I'm stuck with the following problem. I'm not sure what the voltage U_R1 looks like. As long as V_x is low enough for the diode to block, I know that U_R1=V_x-V_B, but then? How does U_R1 behave once the diode is conducting? Is U_R1 still=V_x-V_B?
Hello, I'm planning to build an electrical circuit and need some help with voltages, current and resistance. Here's what I've planned: 2 AAA battery cases, switch and 6 LED diodes in yellow, orange, red, green, blue and purple (black light). I know I might need to add a resistor, but I'm finding diodes with different…
(red is a thread) What do the FETs T1602 and transistors T903 T907 T905 do?