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Hi, If the problem relates to a laptop with no battery and only the AC/DC charger that comes with the computer, and minor movements can accidentally disconnect a loose connector, maybe it would be easier just to buy a cheap clone replacement laptop battery for that model, or replace the worn connector. The PC label/battery label or technical spec
I have a doubt where i want to know how accurately i am measuring the voltage and current. Suppose if i use a micro controller and i am reading a analog voltage using ADC what are the factors i should consider to know how accurately i am measuring. Input let us say i apply 5 volts and i measure 4.95, can i say i am reading with accuracy of 0.05V?
Hello, We need two stepwise ramping reference voltages from a PIC micro (as in the attached waveform). Is this possible? Originally I was going to do it with analog circuitry so I posted this????.. ..b
Whaaaaaat? You give us absolutely NO information about your hardware or software, and then you ask us to give you ”code to read a microcontroller?” Do some work on your own, and then maybe someone will help you.
What's the board you are talking about? Why do you want to replace the microcontroller? Not really sure but is this MC912D60ACPVE8 does have pre-programmed already? Or really a blank chip? You should know. If you expect the board to perform a specific task, the processor must be programmed. Either it's already programmed by the bo
Hi, We need an accurate mains zero crossing detector, but cannot use "wear-out" components such as opto-couplers. Do you agree that the attached circuit will be very good?, since it uses matched transistors, and also has Base_collector diodes to sweep out the minority carriers quickly. The micro will be able to calculate the point of zero cross
If you are asking that question then I suggest that you will have a very hard road ahead of you with an awful lot to learn before you are successful. I don't say this to put you off but to get you to take small steps towards your goal. To me, it sounds like you don't have much experience with microcontrollers, and at least the PIC18F family of devi
Hi people ! I have a problem with my PCB. I recieved it a few days ago and it is already completly presoldered. If i connect it via USB-TYPE B to my pc it is showing me nothing in device menager.... The CH340G should be visible to be able to programm it via usb.... If i connect it via micro-usb unknown device is popping up. But that does not
Hi people ! I have a problem with my PCB. I recieved it a few days ago and it is already completly presoldered. If i connect it via USB-TYPE B to my pc it is showing me nothing in device menager.... The CH340G should be visible to be able to programm it via usb.... If i connect it via micro-usb unknown device is popping up. But that does not
I have attached the schematic for the ESP32 dev board. If you move the parts in the "micro USB 5V&USB-UART" box to your bootstrap board and make connections of GND, TXD, RXD, EN and IO0 to your main board it will allow programming and serial coms through the USB socket. With it disconnected you can use the pins for other purposes. The CP2102N need
Hi friends, I am using the C8051F340 controller's trigger signal to run the dc motor. This micro controller get the sensor signal to trigger the dc motor. It runs as per the program duration for 16 seconds. After that it should give the another signal to stop the motor. Whenever sensor get closed, Dc motor gets triggered signal from the micro co
Hi friends, I am using the C8051F340 controller's trigger signal to run the dc motor. This micro controller get the sensor signal to trigger the dc motor. It runs as per the program duration for 16 seconds. After that it should give the another signal to stop the motor. Whenever sensor get closed, Dc motor gets triggered signal from the micro c
Been awhile since I've done any hardware design so I'm trying to catch up on the best open source tools for: SPICE for circuit design & analysis PCB for printed circuit board layout CAD for mechanical drawings Schematic Capture Software for professional looking schematic creation Built in libraries of common co
The NCP4306 offers synchronous rectifier control for a flyback in CCM/DCM/BCM. Do you believe that this IC looks a little dubious? I would say that this dubiousness is also found in many other manufacturers? similar offerings All these type of Flyback sync rect controller ICs make me prefer just putting multiple diodes in parallel ,
the object is a microstrip cavity and under the cavity a very thin substrate will be placed(height=0.1 mm) so it is a planar structure. I used subgridding when used the transient solver so the interior will be meshed coarsely but the mesh was pretty large even with that option. The size of the object is 40*lamdax40 lamda so it is a very large elect
Hi, We wish to program the PIC16F176X micro to be a constant off time controller for a Current mode Flyback SMPS. Please could you say if this is possible? All we wish to do is set up its comparator to ?look? at the FET source sense resistor voltage. When the sense threshold is breached, it is then required to switch the FET off (via an e
Any of the micros you mention should be able to perform the tasks you require. If you're familiar with AVR, I would definitely pursue that path first. Do you need to design the hardware, or just write software? I'm sure you can find boards (Arduino or development boards) with AVR, three ADC channels and an SD card, not sure about a GPRS module, b
Hi i have a 2inch spi tft lcd with st7735 driver and i run emwin library on it using stm32f103ve. i dont use external ram for emwin and just use micro ram for emwin. i can use all of emwin capability except memory device. i try evrything but memory devices wont work. is that because of i dont use external ram or memory devices wont work on spi lcd
hellow guys iam writing a simple bootloader on a stm32f103ve microcontroller from address 0x8008000 and a userapp code from address 0x8008000 my bootloader code include uart1 configuratin for show some massages and spi2 configuration for communication to a spiflash and my userapp code include timer6 , timer 7 configuration for two led blink wit
I am referring to the microchip dspic33ep micro controller. I am trying to read the adc of the pot, the adc is initialized for signed fractional format and in the data sheet it is shown as 156559. The test point at POT reads 3.3V and when i debug the variable is 32736 which when converted into binary will be 0111 1111