About 50 results
Open links in new tab
  1. 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 button but once …

  2. 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 and supplies …

  3. 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

  4. Latch circuit single button switch on/off | All About Circuits

    Dec 21, 2023 · It's been ages since I drew a FF circuit and even longer since I've debounced a switch. But this is what I was thinking: 1 switch 3 resistors 1 cap 1 NPN BJT 1 chip (CD4013) or equivalent. …

  5. on/off latching circuit - All About Circuits

    Jan 22, 2023 · Hi All, Can I get your opinion on this simple latching circuit? I got it from here (first circuit shown): I need it to power on with a push of the momentary button. and then turn off with another …

  6. 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 time to effect a …

  7. 12V Relay "latching" - All About Circuits

    Jan 23, 2024 · Hello I'm using relay with datasheet in a link, it is R1, RT314012. I operate the relay with about 10.5 volts to turn it on. DC coil is 12V. I have no problem turning it ON. I maintain the relay in …

  8. Building a latching relay circuit - All About Circuits

    Aug 30, 2021 · Any relay with spare NO contacts can be wired to latch. Connect the contacts across the pushbutton. When the button is pressed the contacts will close and continue to energize the relay …

  9. Latching Relay with Single Input - All About Circuits

    Oct 5, 2023 · A "latching relay" is not an adequate description. I can describe a single input latching relay that works with only one momentary switch input. But it has no means to unlatch. So it meets …

  10. Latching reed switch - All About Circuits

    Jul 23, 2023 · Does anyone know of a latching reed switch part number for electronic circuit? Intention is to close the switch with a short pulse generated by vibration sensor to connect the battery to the ckt, …