Specifications:
Product name: ARDUIN0_LCD1602 electronic clockClock chip: DS1302Power input: 5V USB power supplyAppearance size: 92.5MM*50MM*32MMProduct net weight: 100GNote: The delivery is in bulk and needs to be welded by yourselfWelding Difficulty: General

Package Include:
1/4W plug-in resistor 10K*1
1/4W plug-in resistor 2.2K*1NTC thermistor 10K*1Ceramic capacitor 22pF*2CR1220 battery holder (with battery)*15V passive buzzer*1LCD1602 LCD screen*1Side foot button 6*6*9MM*2Direct plug DS1302 chip (with chip holder)*1Nano V3.0 development board*1In-line crystal oscillator 32.768KHz*1Single row in-line header 16P*1Single row in-line header 15P*2M3*10+5 copper column*4M3*11 copper column*4M3*6 screw*4M3*10 screw*4PCB board*1