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hi, One of my project i am using PIC microcontroller (PIC18F452). in the particular project i am using two serial communication devices. i am using cd4016 for switching between them. the problem is the two devices are communicating with two different board rate, is there any problems will arise in the communication between the devices and microcon
How to figure out the dimensions of my left mouse button? I am trying to replace the faulty button but I got no idea what dimensions of my button to be inputted inside google.
Hi, I have multiple modules in the product includes PSU and Mother board circuitry which are operating at different frequency. Mother board is not yet designed yet and will be designed by other Designer. I am designing PSU for the Same and Product should comply EN61000-6-3 which has Levels for Class B (AV) 0.15MHZ-0.5MHZ
Hi All, I need to get a steady voltage of 24V but the Vin can change between 18V and 32V- What could I use?
Hi, I have an existing circuit for a specific purpose. I want to re-use this circuit by slightly modifying the external components. The purpose is shown below: 159565 The IR sensor I am using is this: And inside t
Hello , I have a question regarding the communication of patch antennas using pin diode. I have an antenna network in which I would like to be able to switch the antennas using pin diodes. when the diodes are closed everything works well, on the other hand when they are open I have problems to adapt the network. do you have any documents concerni
hi, i am new here. i can't stimulate my circuit? why my circuit has been paused becaused of this error? i need your help to help me with this error (PSPICE). thank you this the error : 159518159518 **** 05/23/20 11:38:39 ********* PSpice 9.2 (Mar 2000) ******** ID# 1 ********
Dear all I am looking for simple algorithm input.i cant post whole code. i pasted some part of it i am using PISO to get input from 74hc165D ic. here i am trying to read data from DIP switch. Fault_Array uses to read 8 position DIP switches void PISO_INPUT(void) { unsigned char i; unsigned char j, k; unsigned char value;
Dear all I am looking for simple algorithm input.i cant post whole code. i pasted some part of it i am using PISO to get input from 74hc165D ic. here i am trying to read data from DIP switch. Fault_Array uses to read 8 position DIP switches void PISO_INPUT(void) { unsigned char i; unsigned char j, k; unsigned char value;
Hi Is there any such thing as a rocker switch which switchs two circuits from the one actuator? (whats it called?) (ie we want to switch a circuit with several amps in it, but also want an indication that the switch has been thrown with a smaller contact in the switch which we will engage in a signal (...)
Supposing I have a 10mF electrolytic capacitor which has been slowly charged up to 50V via a 27k resistor. I then short it directly to ground with either ?. a)?a TO247 Gate turn off thyristor b)?a TO 247 Thyristor c)?a TO247 NFET with rdson = 3 milliohms d)?a TO247 IGBT e)?a TO247 Triac ?speaking generally?..which one would be least
Hi, Is there any excellent quality DC Submersible Pump? which will be used for the operation of hand sanitizer project and will turned on/off for frequent no of times (2000 times/day) for 2-3 sec. If the above type is used for this purpose the life cycle of the pump will be a questionable. I mean it will not withstand such frequent no o
Good morning geniuses! I am new to electronics and new to this forum, so please excuse my lack of knowledge. I want to assemble a variable speed DC motor and DC power source, and would really appreciate your thoughts about the logic, which components to use and how to put them all together. I have very little experience in electronics so it?s p
i know a sample and hold circuit consist of a capacitor and transistor that acts as a switch and a buffer amplifier. could i could i use a common collector amplifier as the voltage buffer and sample and hold circuit will still sample the input and hold the sample?
Hello Guys, I am trying to setup UART under oscillator bypass mode in STM32f446RE Nucleo Board. I have created a new project in CubeIDE with UART under Asynchronous mode. I have commented out the SystemClock_Config and written my code for oscillator bypass mode even though everything can be done via code generation tool ( Part of learning ). But
Hi There, I want to switch ON my 2Amps when the input voltage is >11V. Vin 9V to 24V To do that I am planning to use the following circuit. While simulating PMOS is ON. But I have a doubt, SQJ457EP datasheet saying VGS(th) Min =-1.5 Typ=-2.0 Max=-2.5 which one I should consider. Please correct me if I am doing something wrong here. Atta
Hi We have a 48vout, 12Kw output power supply powering a load. We wish to use a load switch comprising paralleled back-to-back NFETs. The load switch must temporarily switch a battery in to supply the load if the power supply drops out due to a heavy load transient. Also, if the power supply fails, then the battery must also be (...)
I have an a subsea scientific instrument that has an existing 5 pin connector that is currently being used for supply power 6 to 30 VDC and bidirectional RS232. I am upgrading the internal electronics of the instrument and want to be able to use the existing connector for Power/RS232 as well as a USB connection to Native USB port of a NRF52840 insi
Hi.. i have an aquarium light fixture that is a hybrid T5 and LED set up. the LED system consists of a bluefish wireless controller, a breakout board to convert 5v to PWM and 1000Ma meanwell drivers for 5 dimmable color channels. all are powered by a meanwell ac/dc converter that puts out 48v 2.5A, 120W max. the T5 part is AC powered with tradi
I had several 7segment based meters which works fine in hardware. Most of these are regular products, no display problem found yet in last 7yrs+. Today, I was trying to make a simple simulation based on 7segment display in proteus 8.9. But I found that, it can not display 7segment properly. Either it shows still non-digits or flickering. I tried