1. K

    How does this four-pin reset switch work?

    Hello, I am studying a schematic, and am not sure how this reset switch is supposed to work: I cannot find any other switch that uses this symbol, and it just looks like all of the pins are shorted to ground. I don't understand why/how this switch works on the actual board. Is anyone able to...
  2. A

    Stopwatch Reset

    Hello there, My teacher assigned my group to make a stopwatch on multisim that meassures minutes (up to 99), seconds and miliseconds with at least 6 displays, a start/stop button and a reset button to make everything go back to 0. I have almost everything done but I have a problem with the...
  3. Danielsuri

    Brown-out detection with an external clock ATmega1280

    I'm using ATmega1280 with an external clock and I have some questions about the "safe operating area" for preventing EEPROM corruption with BOD. The external clock is: Crystals 14.7456MHz 18pF HC49S SMD by CITIZEN, without clock division. LINK to ATmega1280 datasheet In the datasheet of...
  4. shibin_varghese

    Designing a boost converter

    Hi friends, I have a doubt. In the diagram above, the boost converter is used to power a GSM module that operates in 3.6V. TPS610995DRVT has a fixed output of 3.6V and VBAT is a primary battery of 3.6V and can be enabled whenever required. The purpose of the boost converter is that the GSM...
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