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Recent content by veioloko

  1. V

    Where to find this connector

    thanks everybody it´s a samtec sfm 1.27mm anyboyd knows a connector with similar specification but from another company?
  2. V

    Where to find this connector

    Hello does anybody know where to find the board to board smd conector used by TI RF EVM (chipcon) https://focus.ti.com.cn/graphics/tool/exp430fg4618.jpg The first up-left conector I don´t know the manufacture or specification Thanks
  3. V

    The rules for designing PCB

    Hello! Where can I find an article talking about some rules to design a PCB? Like spacing tracks, the better way to avoid EMI Thanks
  4. V

    Sincronize pcb and circuit

    Thank you! It worked However for example: If I forgot to RECORD ECOS I have a PCB V1.2 for example and schematic V1.2 I want to UPDATE acording to schematic V1.4. How Can I do this?
  5. V

    Sincronize pcb and circuit

    Hello! I´m new in PCAD 2002 I have some boards that´s alredy done However i want to update How can i do this using the netlist generated by the schematic? Thanks and sorry for my english
  6. V

    Auto Tuning PID methods

    Re: Auto Tuning PID But ZN has both methods....oscilatory and step response
  7. V

    Auto Tuning PID methods

    Hello! Does anybody knows which method is the better? closed loop where we adjust the gain to do some oscilations or open loop where we have only one curve?
  8. V

    C compiler for AT89C51ED2

    why keil is better than sdcc What about RIDE? I use this one.
  9. V

    Help me do a Ph/CO2 controller for aquarium based on microcontroller

    Re: ph meter Do you have some material about this or not? For the control you can use pid.
  10. V

    How I can modify my power supply (5V, 8V) to adjust to 0-12 V?

    lm317 0-12v regulated supply You can use some zeners to regulate the voltage
  11. V

    Help me make a speed radar for measuring the speed of a running vehicle.

    Re: Speed radar And what about a circuit to detect the radars? Xd
  12. V

    IC that detects the zero cross directly from the ac line 85~265

    Re: Zero crossing The circuit is simple to understand The fuse is there only for security. Resistors are used to "limit" the voltage in the optocoupler. When we have less than +-1.2v,the optocoupler will not work, so we have the zero cross
  13. V

    Method for autotunning in a PID control

    Re: Oven control PID nobody?
  14. V

    How to calculate filter RF for different frequencies?

    Re: How to filter RF nobody?
  15. V

    How to calculate filter RF for different frequencies?

    Re: How to filter RF Thanks for the help however i want a filter for High voltages...like 220vac
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