{"product_id":"ne555-delay-timer-relay-switch-module-5v-12v-adjustable","title":"NE555 Delay Timer Relay Module 5V\/12V – 0–10S Adjustable Switch","description":"\n\u003ch2\u003eNE555 Delay Timer Relay Switch Module – Adjustable 0–10 Second Delay\u003c\/h2\u003e\n\u003cp\u003eTake precise control of your electronics with the \u003cstrong\u003eNE555 Delay Timer Relay Switch Module\u003c\/strong\u003e. Built around the legendary NE555 timer IC, this compact module delivers a reliable, fully adjustable delay of \u003cstrong\u003e0 to 10 seconds\u003c\/strong\u003e — perfect for car dashcam power sequencing, automation projects, pulse generation, and industrial control circuits. Runs on both \u003cstrong\u003e5V and 12V DC\u003c\/strong\u003e, making it compatible with a huge range of setups.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable Delay Time (0–10 Seconds):\u003c\/strong\u003e Set the exact delay your application requires via the onboard potentiometer. No external equipment needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExpandable Delay Range:\u003c\/strong\u003e Swap out the potentiometer or increase the value of capacitor C1 to extend the delay well beyond the default 10-second range. Delay formula: \u003cem\u003eT = 1.1RC\u003c\/em\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Voltage Support:\u003c\/strong\u003e Operates on DC 5V or DC 12V, covering most hobby, automotive, and industrial use cases.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Indicator LED:\u003c\/strong\u003e An onboard LED confirms that the module is live and powered — no guesswork needed during setup or troubleshooting.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRelay Activation Indicator LED:\u003c\/strong\u003e A second LED lights up the moment the relay engages, giving you instant visual feedback on relay status.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Load Relay Output:\u003c\/strong\u003e The built-in relay can switch up to \u003cstrong\u003eAC 220V \/ 10A\u003c\/strong\u003e — capable of controlling devices up to \u003cstrong\u003e2000W\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRelay Current Protection:\u003c\/strong\u003e Onboard protection circuitry safeguards the relay from damaging current spikes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMonostable (One-Shot) Operation:\u003c\/strong\u003e On power-up, the relay activates after the set delay and latches — ideal for \"delayed start\" and \"power-on sequencing\" applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMain Chip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNE555\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 5V \/ 12V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDelay Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 – 10 seconds (adjustable; extendable)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDelay Formula\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eT = 1.1RC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelay Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC 220V \/ 10A max (2000W)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIndicators\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePower LED + Relay Activation LED\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMonostable Timer Module\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × NE555 Delay Timer Relay Switch Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCar dashcam \/ driving recorder delayed power-on\u003c\/li\u003e\n  \u003cli\u003eDIY home automation delay switching\u003c\/li\u003e\n  \u003cli\u003eIndustrial power sequencing and interlock circuits\u003c\/li\u003e\n  \u003cli\u003ePulse generation and duty-cycle experiments\u003c\/li\u003e\n  \u003cli\u003eArduino \/ microcontroller peripheral trigger delays\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/22awg-glass-tube-fuse-holder-5x20mm-6x30mm-screw-type-10-pack\"\u003e10-Pack 22AWG Glass Tube Fuse Holder 5x20mm \u0026amp; 6x30mm Screw\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/100w-dual-port-car-charger-starlink-mini-fast-charging\"\u003e100W Dual-Port Car Charger – Fast Charging\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/140w-usb-c-fast-charging-adapter-auto-power-off-overcharge-protection\"\u003e140W USB-C Fast Charger with Auto Power-Off Overcharge Protection\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFurther Reading\u003c\/h3\u003e\n\u003cp\u003eFor guidance on electrical safety when working with relay modules and high-voltage circuits, visit the \u003ca href=\"https:\/\/www.osha.gov\/electrical\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA Electrical Safety resource\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What voltage should I use to power the NE555 delay timer relay module?\u003c\/h4\u003e\n\u003cp\u003eA: The module supports both \u003cstrong\u003eDC 5V and DC 12V\u003c\/strong\u003e input. Use 5V for microcontroller-based or USB-powered setups, and 12V for automotive or standard lab-bench applications.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I increase the delay time beyond 10 seconds on this relay timer module?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! You can extend the delay range by increasing the resistance of the onboard potentiometer or by replacing capacitor C1 with a higher-value capacitor. The delay is calculated using the formula \u003cstrong\u003eT = 1.1RC\u003c\/strong\u003e, so larger R or C values directly produce longer delays.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What maximum load can the relay on this NE555 timer module handle?\u003c\/h4\u003e\n\u003cp\u003eA: The relay is rated for up to \u003cstrong\u003eAC 220V at 10A\u003c\/strong\u003e, giving a maximum controllable load of \u003cstrong\u003e2000W\u003c\/strong\u003e. Always ensure your connected device does not exceed these ratings, and observe proper electrical safety precautions.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this module suitable for use in a car dashcam or driving recorder circuit?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. At 12V DC operation, the NE555 delay timer module is an ideal solution for adding a \u003cstrong\u003epower-on delay\u003c\/strong\u003e to your car dashcam or driving recorder, protecting it from voltage spikes at engine start and ensuring it powers up at the right moment.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What voltage should I use to power the NE555 delay timer relay module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The module supports both DC 5V and DC 12V input. Use 5V for microcontroller-based or USB-powered setups, and 12V for automotive or standard lab-bench applications.\"}}, {\"@type\": \"Question\", \"name\": \"Can I increase the delay time beyond 10 seconds on this relay timer module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! You can extend the delay range by increasing the resistance of the onboard potentiometer or by replacing capacitor C1 with a higher-value capacitor. The delay is calculated using the formula T = 1.1RC, so larger R or C values directly produce longer delays.\"}}, {\"@type\": \"Question\", \"name\": \"What maximum load can the relay on this NE555 timer module handle?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The relay is rated for up to AC 220V at 10A, giving a maximum controllable load of 2000W. Always ensure your connected device does not exceed these ratings, and observe proper electrical safety precautions.\"}}, {\"@type\": \"Question\", \"name\": \"Is this module suitable for use in a car dashcam or driving recorder circuit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. At 12V DC operation, the NE555 delay timer module is an ideal solution for adding a power-on delay to your car dashcam or driving recorder, protecting it from voltage spikes at engine start and ensuring it powers up at the right moment.\"}}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"5V \/ United States","offer_id":47710863753321,"sku":"14:29#5V;200007763:201336106","price":22.71,"currency_code":"USD","in_stock":true},{"title":"12V \/ United States","offer_id":47710863786089,"sku":"14:10#12V;200007763:201336106","price":22.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/Sf205607338c14a4da2108d1c2f7e04c3w.webp?v=1782061200","url":"https:\/\/oasis-select.com\/products\/ne555-delay-timer-relay-switch-module-5v-12v-adjustable","provider":"Oasis Select","version":"1.0","type":"link"}