cairo electronics

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74192 Synchronous Up/Down 4-Bit BCD Counter IC | Pro Tronix

ICs

SKU: PRO00370

30.00 EGP

High-speed 74192 synchronous up/down 4-bit BCD decade counter IC in a DIP-16 package. Featuring dual clock inputs, asynchronous parallel load, and carry/borrow cascading outputs, this chip is perfect for digital timers, counters, and TTL logic projects.

74194 4-Bit Bidirectional Universal Shift Register IC | Pro Tronix

ICs

SKU: PRO00369

30.00 EGP

High-speed 74194 4-bit bidirectional universal shift register IC in a DIP-16 package. Supporting parallel loading, shift-left, shift-right, and hold modes on a 5V supply, this logic chip is ideal for data conversion, counters, and digital computing setups.

74193 Synchronous 4-Bit Up/Down Binary Counter IC (DIP-16) | Pro Tronix

ICs

SKU: PRO00289

20.00 EGP

Classic 74193 synchronous 4-bit up/down binary counter TTL logic IC in DIP-16 package. Perfect for digital timers, frequency counters, and sequential logic circuits!

74153 Dual 4-to-1 Line Multiplexer IC (DIP-16) | Pro Tronix

ICs

SKU: PRO00280

25.00 EGP

Product Description The 74153 Dual 4-to-1 Multiplexer IC is a classic TTL logic integrated circuit featuring two independent 4-line-to-1-line multiplexers.

7442 BCD to Decimal Decoder IC | Pro Tronix

ICs

SKU: PRO00256

25.00 EGP

High-speed 7442 BCD to decimal decoder IC in a DIP-16 package. Converts 4-bit binary-coded decimal inputs into 10 active-LOW outputs, ideal for channel selectors, numeric display drivers, and logic demultiplexing.

7404 Hex Inverting NOT Gate IC | Pro Tronix

ICs

SKU: PRO00242

15.00 EGP

High-speed 7404 hex inverter NOT gate IC in a DIP-14 package. Featuring six independent logic inverters operating on a standard 5V supply, this chip is ideal for signal inversion, control logic conditioning, and clock oscillator builds.

7402 Quad 2-Input NOR Gate IC | Pro Tronix

ICs

SKU: PRO00241

15.00 EGP

Product Description The 7402 Quad 2-Input NOR Gate IC is a fundamental high-speed TTL logic integrated circuit featuring four independent

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LM741 Op-Amp IC | Pro Tronix

ICs

SKU: PRO00235

Classic LM741 single operational amplifier IC in DIP-8 through-hole package. Perfect for analog signal processing, educational circuits, and linear amplification!

Pulse Heart Rate Sensor Module | Pro Tronix

Sensors & Modules

SKU: PRO00530

150.00 EGP

Highly compact, circular optical PPG Pulse Heart Rate Sensor. Operating at $+3.3\text{V}$ to $+5\text{V}$ with low power draw, it generates a real-time analog wave output of capillary blood pulse changes. Complete with finger strap and protective backing, it is the perfect biometric addition to Arduino, ESP32, and Raspberry Pi builds.

Water Level Sensor Module | Pro Tronix

Sensors & Modules

SKU: PRO00525

45.00 EGP

High-sensitivity analog water level depth sensor module. Featuring a parallel trace grid design for 3.3V–5V microcontrollers, this compact board measures liquid levels and detects leaks for automated pumps, aquariums, and tank monitoring systems

24V DC Active Industrial Alarm Buzzer | Pro Tronix

Passive Components

SKU: PRO00790

22.00 EGP

Heavy-duty 24V DC active industrial alarm buzzer. Generates a loud continuous tone automatically when powered. Perfect for PLC output cards, 24V control panels, relays, and industrial safety alarms!

12V DC Active Alarm Buzzer | Pro Tronix

Passive Components

SKU: PRO00789

8.00 EGP

High-decibel 12V DC active alarm buzzer. Generates a loud continuous tone automatically when powered. Ideal for industrial control panels, 12V automotive systems, relays, and security alarms!

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