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12V Delay Timer Switch Adjustable
- 45.00 EGP
- This 12V Delay Timer Switch Adjustable 0-10sec is one kind of popular switch module. You can use it control any devices on or off. This is a DC12V controlled 1 channel timer relay module. It has a NE555 timer chip on the board. You can adjust delay time(0-10s) by rotating the potentiometer. When this relay get powered it will delay…
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Micro SD Card Module
- 50.00 EGP
- Micro SD card mini TF card reader module SPI interfaces with level converter chip
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NE555 Adjustable Frequency Pulse Generator Module
- 30.00 EGP
- This NE555-based pulse generator module is a versatile and easy-to-use signal source capable of producing adjustable-frequency square waves for timing, PWM, tone generation, and motor control. With onboard potentiometers for fine-tuning, it’s perfect for prototyping, testing, and educational projects.
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1.2v 12v ZB2L3 18650 Li-ion Lithium Battery Capacity Tester + Resistance Lead-acid Battery Capacity Meter Discharge Tester
- 140.00 EGP
- This circuit in order to improve the voltage measurement accuracy, specially designed DC bias, when the terminal is what all don't pick will display a small voltage, does not affect the actual measurement, if you are short connected with the input terminal (absolute 0V) will display 0. To understand the principle can consult the superposition theorem in electrical engineering.
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Relay Module 2 Channel 5V (high/low) level trigger
- 80.00 EGP
- This versatile 2-Channel 5V Relay Module allows you to control two independent high-voltage devices using low-voltage signals from microcontrollers like Arduino, Raspberry Pi, ESP32, and more. It supports both high-level and low-level trigger modes, making it compatible with a wide range of control circuits.
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Single Channel 5V DC Relay Module Solid State Low Level Trigger
- 70.00 EGP
- This Single-Channel 5V DC Solid State Relay (SSR) Module provides silent, fast-switching control for AC/DC loads using a low-level (0V) trigger signal from microcontrollers like Arduino, ESP8266, or Raspberry Pi. Unlike mechanical relays, this SSR has no moving parts, ensuring longer lifespan, zero noise, and no contact sparking. Perfect for high-speed switching applications, such as temperature controllers, LED lighting, and small appliances, this module supports DC control (5V) and AC/DC load…
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- Medical Sensors, Modules, Other Modules, Sensors
KY039 Finger Detection Heartbeat Measuring Sensor Module
- 30.00 EGP
- The KY-039 Heartbeat Sensor Module is a photoplethysmography (PPG)-based sensor designed to detect heartbeat/pulse signals by measuring blood flow changes in fingertips or earlobes. This low-cost module uses an infrared (IR) LED and phototransistor to capture pulse waveforms, making it ideal for health monitoring, fitness tracking, and biomedical projects. With simple analog output compatibility, the KY-039 can interface with Arduino, Raspberry Pi, and other microcontrollers to visualize real-time pulse data or trigger alerts.
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12V Battery Level LED Indicator
- 45.00 EGP
- XD-82B 12V Battery Level Indicator Module 4 Paragraph 4 onboard Battery Indicator LED Lights. Monitor the level of your 12v battery and know when it’s running low with this small LED battery level indicator.
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LASER Receiver Module
- 65.00 EGP
- This Laser Receiver Module is a high-sensitivity photoelectric sensor designed to detect laser beams (650nm red or 850nm IR) for precision alignment, security systems, and industrial automation. With a digital/analog output, it’s perfect for Arduino, PLCs, and DIY projects requiring beam-break detection.
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- Batteries & Accessories, Modules, Other Modules
LCD Dual USB 5V 1A 2.1A Mobile Power Bank Module
- 150.00 EGP
- The LCD Dual USB Power Bank Module is a smart charging control board designed for DIY power banks, portable chargers, and backup battery projects. Featuring dual USB outputs (5V/1A + 5V/2.1A), an LCD battery level display, and overcharge/discharge protection, this module efficiently converts 3.7V Li-ion/Polymer batteries into a reliable power source for smartphones, tablets, and USB devices. With real-time voltage/current monitoring and compact design, it’s perfect for hobbyists and professionals building custom power solutions.
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