DIY Electronic Clock Module Kit -MakerFocus Digital LED Display PCB Soldering Project Learning Board with Battery Holder for Beginner Welding Learner

Why choose this DIY Electronic Kit? This is a six-digit digital clock kit, mainly used for student practice training, course design, and electronics enthusiasts assembling and welding practice. Application in Multiple Occasions: The tool kit is very suitable for science projects above grade 5 students, summer camps, and science. Fairs, hands-on centers, science clubs, home school learning, teaching aids, gifts for kids, and anything related to STEM education. Parameter: Power Supply Voltage: DC 5 - 12 V Recommended Voltage: DC 9 V Working Current: 35mA  (External power supply, NO included) Standby Current: 1.2mA  (Backup battery power supply) Backup Battery: CR2032 (3V) Board Size: 3.54 inch *2.56 inch Material: PCB + LED   Package Including 2 * Resistance 10K 8 * Resistance 470 ohm 6 * Resistance 4.7K 4 * 3MM red LED 3 * Diode 1N4148 1 * Crystal 12MHZ 2 * Ceramic capacitor 30PF 1 * Ceramic capacitor 104 3 * Electrolytic capacitor 25V 10UF 1 * Electrolytic capacitor 25V 220UF 1 * 6*6 touch button 1 * CR2032 battery 1 * CR2032 battery holder 1 * 20P IC seat 1 * AT89C2051 (with program) 3 * 0.36 inch 2 digit common anode digital tube 1 * Green KF126-2P terminal 6 * Transistor 8550 1 * Three-terminal regulator 78L05 1 * PCB board