免费理论电影 Tech Store
Showing 31–42 of 42 results
LM2596 DC-DC Buck Converter Module | Adjustable Step-Down Regulator (3A)
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Input: 3V - 40V DC.
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Output: 1.5V - 35V DC (Adjustable).
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Current: Max 3A.
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Best For: Powering Arduinos from 12V batteries, Solar Projects, and LED Drivers.
LM358 Dual Op-Amp IC | Low Power Operational Amplifier (DIP-8)
The industry-standard chip for audio and signals.
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Package: DIP-8 (Breadboard Friendly)
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Supply Voltage: 3V to 32V
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Best For: Pre-amplifiers, Active Filters, and Line Following Robots (Comparator).
Male to Male Jumper Wires (40pcs) | 20cm Dupont Cable for Breadboard
The essential cables for every 免费理论电影 project. This is a peelable ribbon of 40 multi-colored wires with male pins on both ends. Perfect for connecting your Arduino Uno directly to a breadboard without soldering.
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Quantity: 40 Wires (Peelable Ribbon)
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Length: 20cm (Standard)
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女人张开腿让男人桶个爽: Male to Male
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Best For: Breadboarding, Arduino 女人张开腿让男人桶个爽, and testing circuits.
MAX7219 4-in-1 Dot Matrix LED Display Module | Red Scrolling Text
Create your own digital sign board. This module combines four 8x8 LED matrices into a single display. It is pre-wired and ready to scroll text, numbers, and symbols using just 3 pins on your Arduino.
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Resolution: 32 x 8 Pixels (Total 256 LEDs)
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Color: Red
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Interface: SPI (DIN, CS, CLK)
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Best For: Digital clocks, scrolling message boards, and counters.
MG996R 360° Continuous Rotation Servo Motor | High Torque Metal Gear
The muscle for your heavy-duty robot. Unlike standard servos that stop at 180 degrees, this 360° Continuous Rotation version spins freely like a wheel.
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Gears: Full Metal (Brass/Aluminum)
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Torque: 11kg/cm (Very Strong)
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Type: 360° Continuous (Acts like a DC Motor)
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Best For: Robot wheels, conveyor belts, and winches.
Mini Submersible Water Pump 3V-5V | Horizontal Motor for Arduino
Build your own automatic watering system. This compact submersible pump is designed to move water quietly and efficiently.
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Voltage: 3V to 5V DC (USB Compatible)
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Flow Rate: 80-120 Liters/Hour
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Outlet Diameter: 7.5mm (Fits our 6mm/8mm PVC Hose perfectly)
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Type: Submersible (Must be under water to work)
MQ-3 Alcohol Sensor Module | Breathalyzer & Ethanol Detector
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Detects: Alcohol, Ethanol, Benzine.
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Sensitivity: Adjustable via Blue Potentiometer.
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Warm-up: Heater requires ~20 seconds.
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Best For: Breathalyzers, Drunk Driving Alarms, and Industrial Monitoring.
NE555 Timer IC (NE555P, NE555N Precision Timer DIP-8)
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Type: Precision Timer / Oscillator.
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Package: DIP-8 (Fits standard breadboards).
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Voltage: 4.5V - 16V DC.
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Best For: LED Flashers, PWM Motor Control, and Tone Generation.
NodeMCU V3 ESP8266 WiFi Module (Type-C USB) – CP2102 Driver
The NodeMCU V3 is the ultimate IoT board, now upgraded with a USB Type-C port for robust connectivity and the stable CP2102 driver chip.
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Chip: ESP8266 (ESP-12E)
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USB Interface: Type-C (Reversible & Durable)
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Driver: CP2102 (免费理论电线 reliability)
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Flash Memory: 4MB
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WiFi: 802.11 b/g/n (Built-in)
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Logic Voltage: 3.3V
Soil Moisture Sensor Module (YL-69) | Automatic Plant Watering System
Never forget to water your plants again. The Soil Moisture sensor measures the water content in soil. When the soil gets dry, the sensor output changes, allowing your Arduino to turn on a water pump automatically.
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Outputs: Analog (Exact moisture level) & Digital (Threshold switch)
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Adjustable:
Set your "Dry" trigger point with the blue potentiometer. -
Ideal For: Smart irrigation systems, greenhouse monitoring, and science projects.
SW-420 Vibration Sensor Module | Adjustable Impact & Shake Switch
- Sensor Type: SW-420 (Normally Closed).
- Output: Digital (High/Low).
- Sensitivity: Adjustable via Blue Potentiometer.
- Best For: Anti-Theft Alarms, Smart Cars, and Impact Detection.