{"product_id":"tm1637-4-digit-7-segment-led-display-module-red-2-wire","title":"TM1637 4-Digit 7-Segment LED Display Module — Red, 2-Wire, Arduino","description":"\u003ch2\u003eTM1637 4-Digit 7-Segment LED Display Module — Red, 2-Wire Interface, Arduino\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eTM1637 4-digit 7-segment LED display module\u003c\/strong\u003e is the most beginner-friendly numeric display for Arduino projects. With a \u003cstrong\u003e2-wire serial interface (CLK + DIO)\u003c\/strong\u003e, this module requires only two GPIO pins to display 4-digit numbers, clock time (HH:MM), and basic text. The TM1637 driver IC handles all multiplexing and current control internally — no resistors, no shift registers, no complex wiring.\u003c\/p\u003e\u003cp\u003eThe built-in \u003cstrong\u003ecolon separator\u003c\/strong\u003e makes this the natural choice for digital clock displays, and the popular \u003cstrong\u003eTM1637Display Arduino library\u003c\/strong\u003e makes integration straightforward for beginners. Available in red LED color for high contrast readability.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-digit 7-segment display\u003c\/strong\u003e — displays numbers, clock time, and basic text\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-wire interface (CLK + DIO)\u003c\/strong\u003e — only 2 GPIO pins required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in colon separator\u003c\/strong\u003e — ideal for HH:MM clock display\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8 adjustable brightness levels\u003c\/strong\u003e — software-controlled\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003e3.3V and 5V compatible\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eTM1637Display library compatible\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDriver IC:\u003c\/strong\u003e TM1637\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigits:\u003c\/strong\u003e 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Red\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e 2-wire (CLK + DIO)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 3.3V – 5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Keszoox\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45672974614763,"sku":"","price":11.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/TM1637-4-Digit-036-Red-Display-1.jpg?v=1723007805","url":"https:\/\/keszoox.com\/products\/tm1637-4-digit-7-segment-led-display-module-red-2-wire","provider":"Keszoox","version":"1.0","type":"link"}