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CD4511BE DIY Kit Module LED Display Digital Logic Test Module Learning Suite

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Operating Introduction:
1. When INPUT port hasn't input voltage, that is when A-B/C-D both disconnect, VIN is connected, CD4511 2-pin, 4-pin are low level;
   since IC1 the fourth pin is blanking input control port; when BI=0,no matter what other input ports' state are,
   its output port A-G are all 0;and 7 segment digital tube are all off and not display number.
2. When INPUT port inputs low level which is lower than 0.47V, that is short circuit INPUT C-D port,
   VT1 cut off, and its collector output high level;IC1 BCD code input DCBA=0100, after decoding,
   IC1 output port B/C/F/E is high level, and others are low level. So digital tube display "L" representing logic low level.
3. INPUT port input 3.13-5V high level, that is short circuit INPUT A-B port, VT1 is connected;
   its base and collector are both high level,IC1 BCD code input DCBA=0110; after decoding, IC1 output port A/C/D/E/F/G output high level;
   and others are low level;digital tube display "H" representing logic high level.

Packing List:

NO. Component Name PCB Maker Parameter Quantity
1 Resistor R1 2K ohm 1
2 Resistor R2,R3 1M ohm 2
3 Resistor R4 120K ohm 1
4 Resistor R5 1K ohm 1
5 Resistor R6 10K ohm 1
6 Resistor R7 51 ohm 1
7 Triode VT1,VT2 9014 2
8 Diode VD1 1N4148 1
9 Ceramic Capacitor C1 220pF 1
10 Electrolytic Capacitor C2 10uF 1
11 Ceramic Capacitor C3 0.047uF 1
12 LED LED1 5MM Red 1
13 1-Bit Digital Tube LED2 Common Cathode 1
14 Single Pin Input 4P 1
15 IC U1 CD4511 1
16 Short Circuit Cap     1
17 Wire     2
18 PCB     1

Finished Product Picture:

Circuit Picture:


Tested by ICStation's Outstanding Partner bzoli5706:

The digital tube display "L" indicates logic Low level.

The digital tube display "H" indicates logic High level.

Learn More Details in the Video:

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CD4511BE DIY Kit Module LED Display Digital Logic Test Module Learning Suite