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Recent content by vikash23

  1. V

    Altium DRC error on copper fill and traces

    Hi, I see many errors in my DRC nod on of them is shown in the screenshot. I checked the nets and they are connected . The stackup is set and top layer is set as signal. Any support is appreciated. Regards, Vikash
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    Altium PCB Design Solder Mask Missing Issue

    Hi, Thanks for your response. Finally I fixed the issue by exporting the current design into Circuit studio and imported the design as circuit studio to Altium and it works OK. Something was going on with my design rule set. Then using trail and error method I fixed it. All good now;/
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    Altium PCB Design Solder Mask Missing Issue

    Hi, I see the solder mask in my design is missing for most components. For example I have the following component in my design (Image 1). When I enable top layer I can see the component and blue colour in ISO_RLY_BAT- is nothing but the net colour. When I enable the top solder mask and...
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    Altium Software Polygon and Via of Same net not connecting

    Hi, In my Altium PCB design I have a net P24V_IN. For some reason I dont see the via and polygon of the same net name gets connected. I tried the settings "Pour over same net polygon", and the rule section, connect via's to be buried. Still this doesn't work. Any other suggestion can you...
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    Netlist physical name update

    Hi, In my design I have a port with a name and when I connect the port with a net, the port name is not used in the net line, instead a different net name is used. How do I update the physical net name ? CB_10:9_C is the port name and the net name is NetC95_1 How can I get the physical...
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    PCB Edge via shield (Faraday Cage) using Altium

    Hi, I am trying to add via shield to my PCB edges which is also called as Faradays cage I am trying to add using altium software but the via's are added outside the PC edge and not inside. Any idea how to add via inside the PCB edge? Above is the settings that I used for via...
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    1 USB to 3 UART

    Hi, From your recommended method Use FT4232. FTDI_UART1_Tx = device1_Rx = device2_Rx = device3_Rx Device1_Tx = FTDI_UART1_Rx Device2_Tx = FTDI_UART2_Rx Device3_Tx = FTDI_UART3_Rx I have made a pictorial representation. Please have a loknat the attached image. Also can i please know what about...
  8. V

    1 USB to 3 UART

    Hi, Please see the attached image. I have three devices with only UART in all three devices I need to communicate with all three devices at the same time using one USB I have see USB to UART using FTDI converter . But that is for one to one. Here one USB to 3 UART I need to...
  9. V

    Motor dummy load resistor calculator

    Both the motors are BLDC.
  10. V

    Motor dummy load resistor calculator

    I am developing a test rig for my motor controller. Below is the image which shows a motor is connected back to back to act as a load with load resistor left side is the controller that will run the motor of 400W. Right side i am connecting another motor with a coupling in between and...
  11. V

    Motor current calculation using current sensor

    Hi, Please see the attached schematic, I am using a motor drive to drive a brushed DC motor clockwise and anticlockwise using complementary PWM I am using a current sensor ACS724LLCTR-05-AB to measure the current of the motor while running I am measuring using ADC output and the datasheet of...
  12. V

    PIC24 PWM Input read

    Hi Aussie, I implemented some of your above comments like avoiding division and use multiplication. Also for the temperature readings where I said I am getting 0, I have used a for loop to get 50 values and take the 49th value so that when I print I will get the temperature value and not 0...
  13. V

    PIC24 PWM Input read

    I initially set TRISB bits (12, 13, 14 and 15) to '0' and it didnt work so I removed it completely. Later when I got your response about looking at the section 14.12 then again I want to try it. as you mentioned 0 is output and 1 is input. TRIS is used to set output. LAT is to set high or low. I...
  14. V

    PIC24 PWM Input read

    Hi Susan, I have attached the code below /* ** CONU2.h ** console I/O library for Explorer16 board */ // I/O definitions for the Explorer16 //#define CTS _RF12 // Cleart To Send, input, HW handshake //#define RTS _RF13 // Request To Send, output, HW handshake #define BACKSPACE 0x8 //...
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    PIC24 PWM Input read

    I already looked at that section and implemented the code but still I dont see the PWM1H or PWM1L output goes low. Still the signal is ON on both PWMxH and PWMxL. For my application its not a big deal as I can left this pin floating but I wonder why I can't implement it in software. Also...
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