(DIY Kit with Battery case) 8 Channel Digital Display Answerer DIY Kit Electronic Skill Competition Teaching and Training DIY Part

(DIY Kit with Battery case) 8 Channel Digital Display Answerer DIY Kit Electronic Skill Competition Teaching and Training DIY Part Description

CD4511 8 Channel Digital Display Answerer DIY Kit Electronic Skill Competition Teaching and Training DIY Part -2021.

Parameter:
Power supply voltage: 4.5-5.5V;
NO.1 to NO.8 are contestants, REST is the host;
Size: 6.7cm*6.1cm;
Type #1: DIY kit;
Type #2: DIY Kit with battery case;

Package included:
1 x PCB;
1 x 3.96-2P seat;
1 x 10UF capacitor;
9 x 6*6*4.5 buttons;
1 x 5V buzzer;
15 x Diode 1N4148;
1 x Transistor 9013;
1 x 0.56 inch one common cathode digital tube;
7 x 330 ohm resistor;
6 x 10K resistor;
1 x 100K resistor;
1 x 1K resistor;
1 x 16-pin IC seat;
1 x CD4511;
1 x battery case(only type #2 have it)