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  1. Designing a circuit to control a low signal dual coil DPDT latching ...

    Dec 17, 2024 · If yes, this can be done either with a standard relay and an electronic latch circuit, or a pulse-forming circuit and a latching relay. If you want to use a latching relay, then it must …

  2. Latching relay that resets when the power is cycled

    Sep 17, 2023 · Using a standard Non Latching relay, here is a latching circuit that seals in the relay with the D2 diode and a second set of relay NO contacts. SW1 can be a momentary NO …

  3. Pulse Latching Circuit - All About Circuits

    Jan 16, 2025 · I'm working on a project where I have a pulse that stays high for a certain duration, as shown in the figure below. What I need is a circuit or IC that can maintain this high pulse …

  4. Solid State Latching Relays - All About Circuits

    Apr 23, 2011 · Latching relays really do physically latch, in some cases due to the action of an internal permanent magnet. The drive requirement is for a pulse lasting a certain minimum …

  5. 12V Latching Relay with 12V Momentary Input - All About Circuits

    May 20, 2025 · 12V Latching Relay with 12V Momentary Input highhp May 20, 2025 Search Forums New Posts 1 2 Next

  6. Simple latching relay with momentary power trigger

    Feb 9, 2024 · I have a simple question that I cannot, for the life of me, solve. The premise is simple: I need to turn ON/LATCHING relay using a momentary programmed switch that closes …

  7. Latching Off-On pushbutton for portable electronics PCBs

    Nov 30, 2024 · Hi guys, I am writing here after exhausting almost 1.5 days of search for Off-On buttons that are latching. Basically the pushbutton should work like this, Original state - OFF …

  8. MOSFET Latching Circuit - All About Circuits

    Feb 12, 2020 · My professor drew us up a MOSFET latching circuit. In this circuit a single button push will turn on the VOUT pin. I redrew what he had and i am trying to understand why this …

  9. Simple relay circuit - All About Circuits

    Feb 1, 2025 · A latching relay has a single coil and is DC powered. The two leads will either activate or deactivate the relay. A momentary (for instance) Positive charge will pull the …

  10. Relay TQ2-L-5V Help - All About Circuits

    Dec 15, 2024 · A one coil latching relay usually requires reversing the polarity of the latching pulse to activate / deactivate. The coil can be wired across any two gpio pins for control but iffy …