{"product_id":"0-56-inch-4-at89c2051-fr-4-hiletgo-bit-red-digital-tube-electronic-clock-diy-kit-clock-electronic-production-suite-time","title":"0.56 Inch 4 AT89C2051 FR-4 HiLetgo Bit Red Digital Tube Electronic Clock DIY Kit Clock Electronic Production Suite Time","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eHiLetgo 0.56 Inch 4 Bit Red Digital Tube Electronic Clock DIY Kit Clock Electronic Production Suite Time Chip AT89C2051 FR-4 PCB for Students Science Electronics Learning Education\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e0.56 Inch 4 AT89C2051 FR-4 HiLetgo Bit Red Digital Tube Electronic Clock DIY Kit Clock Electronic Production Suite Time\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e0.56 Inch 4 Bit Red Digital Tube Electronic Clock DIY Electronic Production Suite Main chip: AT89C2051 Power Supply voltage: 3V-6V 1.2mm thick high quality FR-4 PCB PCB dimensions: Length 52mm * Width 42mm With second correction for precision calibration Minute and second can be displayed independently 8:00-20:00 point hours timekeeping (can close it) Two-Way alarm clock setting (can turn it off ) Time accuracy: error range 1 second per 24 hours With a USB to 3.5mm power cable, plug in the USB charger can be used, easy to power supply. How to set it? 1. As your looking at the LCD there are two buttons under the screen. The left button is S1, the right button is S2. S1 advances the sub menus, S2 changes the value. 2.Hold S1 to enter clock setting mode \"\"A\"\" Set hour \"\"B\"\" (looks like the number 8 on the screen) Set minutes \"\"C\"\" Set Chime On\/Off \"\"D\"\" Set Alarm 1 On\/Off \"\"E\"\" Set Alarm 1 Hour \"\"F\"\" Set Alarm 1 Minute \"\"G\"\" Set Alarm 2 ON\/OFF \"\"H\"\" Set Alarm 2 Hour \"\"I\"\" Set Alarm 2 Minute\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e HiLetgo\u003c\/p\u003e\n\u003cp\u003ediy, chip, tube, clock diy, hiletgo, electronic, hiletgo inch, improvement electrical, suite time, tube electronic, improvement, home improvement Tools \u0026amp; Home Improvement Electrical Timers\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✓ A good exercise for students in electronic production\u003c\/li\u003e\n\u003cli\u003e✓ With second correction for precision calibration\u003c\/li\u003e\n\u003cli\u003e✓ Minute and second can be displayed independently\u003c\/li\u003e\n\u003cli\u003e✓ Two-Way alarm clock setting (can turn it off )\u003c\/li\u003e\n\u003cli\u003e✓ Time accuracy: error range 1 second per 24 hours\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✓ Item Weight: 0.13 Pounds\u003c\/li\u003e\n\u003cli\u003e✓ Model Number: 3-01-0232\u003c\/li\u003e\n\u003cli\u003e✓ Material Type: plastic\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eShipping \u0026amp; Guarantees\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✓ FREE standard shipping within the United States (3-6 business days)\u003c\/li\u003e\n\u003cli\u003e✓ 100% money-back guarantee for lost or damaged items\u003c\/li\u003e\n\u003cli\u003e✓ Secure checkout with encrypted payment processing\u003c\/li\u003e\n\u003cli\u003e✓ Shipping via UPS, FedEx, and USPS\u003c\/li\u003e\n\u003cli\u003e✓ Ships to lower 48 states only (no PO Boxes \/ APO \/ FPO)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReturns\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✓ 30-day hassle-free returns\u003c\/li\u003e\n\u003cli\u003e✓ Items must be unused and in original packaging\u003c\/li\u003e\n\u003cli\u003e✓ Full refund if item is not delivered\u003c\/li\u003e\n\u003cli\u003e✓ Guaranteed delivery within 6-7 business days\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePayment Methods\u003c\/h3\u003e\n\u003cp\u003e✓ Credit Cards, PayPal, Shop Pay, Apple Pay, Google Pay, Amazon Pay, Meta Pay\u003c\/p\u003e\n\u003ch3\u003eCustomer Support\u003c\/h3\u003e\n\u003cp\u003e✓ Questions? Contact us at \u003cstrong\u003eSupport@GiftAbay.com\u003c\/strong\u003e\u003cbr\u003eWe respond within 24 hours on business days.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"HiLetgo","offers":[{"title":"Default Title","offer_id":66869179416621,"sku":"PGABL2464238","price":13.25,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0738\/6067\/7677\/files\/71PdDA5vJmL._AC_SL1024.jpg?v=1781566473","url":"https:\/\/prosupply.giftabay.com\/products\/0-56-inch-4-at89c2051-fr-4-hiletgo-bit-red-digital-tube-electronic-clock-diy-kit-clock-electronic-production-suite-time","provider":"ProSupply.GiftAbay","version":"1.0","type":"link"}