WHDTS C51 6-Digit DIY Digital Electronic Clock Kit AT89C2051 Chip Alarm Soldering Practice Learning Kits

Easy Assembly: In addition to teaching basic mechanical and electronic principles the clock kit is easy to build and is so simple. The connection that was clearly mapped and labeled on the board makes it easy to assemble. It's often used to teach basic soldering skills. It's a great first kit for any STEM student. No programming is required. Wide Time Functions: Wide functions with clock time set alarm set countdown timer stopwatch counter hourly chime precise time display and 24 hours format. Accurate Travel Time–the error range 1 sec every 24 hours. Manufactured by WHDTS. Parameters: This Electronic Clock Kit is equipped with AT89C2051 master chip. Military-Grade FR-4 PCB board(Size: 7"x2"(92x49mm)). Comes with a 150mm power supply wire for DC 7~12V voltage input typical applications is 9V. You can connect the power cable with a battery box with 5xAA batteries or power adapter that can supply 7-12V voltage to make it work. Perfect After-Sale Service Supports Wholesale: This product is DIY kits not the end product! This Soldering Project requires basic electronic knowledge and hands-on ability. Please read the manual before soldering. Any issues please do not hesitate to contact us directly for further help. WHDTS has long been engaged in Electronics Related Products wholesale and retail business. Welcome letter to discuss the wholesale business. The bigger the amount is the more favorable the price is. Great School Science Project: The DIY Clock Kits are used to installed to a 4-Digit Digital Electronic Clock. It is widely used in schools to help students learn basic mechanical and electronic skills. It's a great Science Fair project. Highly recommended to practice soldering skills enjoyably for you and your kids.