DIYgh Tech Store
Showing 76–90 of 116 results
LM2596 DC-DC Buck Converter Module | Adjustable Step-Down Regulator (3A)
Drop high voltage down to what you need. The LM2596 is a high-efficiency "Step-Down" converter. It allows you to take a high voltage source (like a 12V battery or 24V solar panel) and reduce it to a specific lower voltage (like 5V or 3.3V) to power your electronics.
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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. The LM358 contains two independent, high-gain operational amplifiers in a single 8-pin package. Unlike the older 741 Op-Amp, the LM358 is designed to work perfectly with a single power supply (like a battery).
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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 Female Jumper Wires (40pcs) | 20cm Dupont Cable
The ultimate bridge cable. These wires have a pin on one side and a socket on the other. They are the standard cable for connecting sensors (with pins) directly to your Arduino, or connecting a Raspberry Pi to a breadboard.
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Quantity: 40 Wires (Peelable Ribbon)
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Length: 20cm
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Connectors: Male to Female
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Best For: Raspberry Pi to Breadboard, IR Sensors to Arduino.
Male to Male Jumper Wires (40pcs) | 20cm Dupont Cable for Breadboard
The essential cables for every electronics 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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Connectors: Male to Male
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Best For: Breadboarding, Arduino prototyping, and testing circuits.
MAX30102 Pulse Oximeter & Heart Rate Sensor Module (SpO2) – Arduino Compatible
The MAX30102 is a high-precision integrated pulse oximetry (SpO2) and heart-rate monitor biosensor module, perfect for DIY health tracking and wearable IoT devices.
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Sensor: MAX30102 (Upgraded from the older MAX30100)
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Measurements: Heart Rate (BPM) & Blood Oxygen Saturation (SpO2)
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Interface: I2C (Standard protocol)
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Operating Voltage: 3.3V – 5V
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Current: Ultra-low power consumption (ideal for battery wearables)
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Application: Fitness trackers, medical monitoring projects, STEM research
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.
MAX98357A I2S 3W Class D Amplifier Module
The MAX98357A I2S 3W Class D Amplifier Module is a compact digital audio amplifier for ESP32, Arduino, Raspberry Pi, IoT, voice output and DIY speaker projects. It converts I2S digital audio into amplified speaker output, making it ideal for smart devices, voice assistants and embedded audio applications.
MG90S Servo Motor 180° Micro All-Metal Gear
The MG90S 180° All-Metal Gear Micro Servo Motor is a compact, high-torque positional servo designed for Arduino, ESP32, robotics and RC projects. Featuring a durable all-metal gear system, 180° rotation and up to 2.2 kg·cm stall torque at 6V, it delivers precise angular movement for robotic arms, grippers, steering mechanisms and automated systems.
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. It combines the high torque of a servo with the continuous motion of a DC motor.
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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 Rocker Switch KCD11-101 2-Pin ON/OFF 10x15mm
The KCD11-101 Mini Rocker Switch is a compact 10x15mm, 2-pin ON/OFF power switch designed for electronic equipment, DIY projects, small appliances and control panels. It features a snap-in mounting design, two metal terminals and a maintained switching mechanism for convenient power control.
Available Colours: White, Red and Black
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. Perfect for Arduino irrigation projects, small aquariums, and desktop fountains.
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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)
Mounting Bracket Holder for Ultrasonic Sensor HC-SR04
The Mounting Bracket Holder for HC-SR04 Ultrasonic Sensor provides a stable and secure mounting solution for robotics, automation, and IoT applications. Featuring pre-cut mounting holes, durable material, and lightweight design, it ensures accurate distance measurement and easy installation. Get the best HC-SR04 sensor mounting bracket.
MQ-135 Air Quality & Hazardous Gas Sensor Module | CO2, Smoke, Ammonia
Detect smoke and dangerous gases instantly. The MQ-135 is the most versatile gas sensor for air quality monitoring. It detects a wide range of gases including Ammonia, Sulfide, Benzene, Smoke, and CO2. Perfect for "Smart Home" safety systems and environmental monitoring.
- Gases Detected: NH3, NOx, Alcohol, Benzene, Smoke, CO2.
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Output: Analog (Gas Concentration) and Digital (Alarm Trigger).
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Warm-up Time: ~20 seconds.
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Best For: Air Quality Monitors, Smoke Alarms, and Industrial Safety.
MQ-2 Smoke & Gas Sensor Module | LPG, Butane, Hydrogen Detector
Build your own Fire & Gas Leak Alarm. The MQ-2 is a dual-purpose safety sensor. It detects Smoke (from fires) and Combustible Gases (like LPG, Propane, and Butane). It is the standard module for building "Smart Kitchen" safety monitors.
- Detects: Smoke, LPG, Propane, Hydrogen, Methane.
- Sensitivity: High (Adjustable).
- Response Time: < 10s.
- Best For: Fire Alarms, Gas Leak Detectors, and Industrial Safety.
MQ-3 Alcohol Sensor Module | Breathalyzer & Ethanol Detector
Build your own Breathalyzer. The MQ-3 is specifically designed to detect alcohol (Ethanol) vapors. It has high sensitivity and fast response time, making it the perfect sensor for "Smart Car" safety systems that prevent drunk driving.
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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.