EC Buying 2Pcs CD4511 Photoelectric Sensors Electronic DIY Kit 8 Channel Digital Training Kit Electronic DIY Parts

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EC Buying 2Pcs CD4511 Photoelectric Sensors Electronic DIY Kit 8 Channel Digital Training Kit Electronic DIY Parts

Regular Price: US$17.99

Special Price US$14.99

Availability: In stock

Supplier: EC Buying

Category: Business & Industry & Science Industrial Electrical Sensors Photoelectric Sensors

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Description Working voltage: 5V The CD4511 is an integrated circuit that incorporates a BCD-7 segment latch/decodes/drive circuit, with pins 1, 2, 6, and 7 being the BCD code input terminals and pins 9 to 15 being the display output terminals "Pin 3 (LT) is the test output terminal. When" LT "is 0, the output is all 1. Pin 4 (BI) is the blank terminal. When BI is 0, the output is all 0. Pin 5 (LE) is the latch enable terminal. When LE changes from" 0 "to" 1 ", the output terminal maintains the display state when LE is 0." The 16-pin is positive for the power supply, and the 8-pin is negative for the power supply. 555 and peripheral circuits form the response circuit of the answering machine Connect the digital tube to a 0.5-inch common cathode digital tube

High-quality 8-way digital display electronic answering machine production kit for course practice, technology competition, DIY design. S01-S08 is the answer key, and S09 is the reset key. After pressing the key, the buzzer sounds, and the nixie tube displays the number of the priority responder. If the answer is successful, pressing the key again will not change the display unless you press the reset key. The circuit includes preemptive answering, encoding, priority, latch, digital display, and reset circuits, which can simultaneously perform 8-way preemptive answering. The kit is equipped with a circuit board and all components, and the resistance inside is marked with a resistance value, which is very convenient.