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I have a Xiaomi phone that came with a 33W charger. It says it does 5, 9, 11, 12 and 20 volt, so looks like a fairly normal USB-PD charger....
Asked on 02/13/2021 by Tor Klingberg
2 answerVcc is 5 V , first op-amp LM358 provides 2.5 V ground for easiest possible relaxation oscillator build with MCP661 (2.5/5.5 V supply, 60 MHz operational range). I wanted to...
Asked on 02/13/2021 by pholat
2 answerI am a novice interested in learning amplifier design for audio projects. I can design simple "elementary" amplifiers such as CE, CB, and CC and can make them work...
Asked on 02/12/2021 by nuggethead
2 answerI am using an ESP32 to generate a 113 kHz, ~3,5 V output. I then intend to amplify this to a ~50V peak-peak waveform. For that I am trying to...
Asked on 02/12/2021 by zexanana
0 answerIts a little thought experiment. Below you see a transmission line consisting of 2 parallel wires. With an LCR meter, I am measuring the inductance of the cable. ...
Asked on 02/12/2021 by Yoomo
4 answerI made a temperature control system without PID (just on/off with an offset) to control the temperature in a tank. I can only cool the tank with a cooling coil...
Asked on 02/11/2021 by hmmy92
2 answerIf I boost a 3.7 V 18650 battery to 12 V with a boost converter, would it affect the durability of the battery? For example, if I have a 2100...
Asked on 02/10/2021 by Johnnie Nathan
3 answerUsing the PCB Filter, how can I select a single component easily (not its primivites)? Every now and then I have a complex component (such as an on-board PCB antenna...
Asked on 02/10/2021 by JYelton
2 answerI'm asking this because, while learning about how counters work, I read that one can add an input that enables or disables the counter depending on its logical value. Now,...
Asked on 02/10/2021 by Thomas.M
2 answerI'm using the Lattice Diamond licensed version of Aldec Active-HDL. The logic circuits I'm working with are complex enough that I believe propagation delays could have an impact on the...
Asked on 02/10/2021 by Gacekky1
1 answerGet help from others!
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