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Only 2 leftMQ-4 Methane Natural Gas Sensor
MQ-4 methane / natural gas sensor.
16 sq mm Copper Ring Lug Cable Terminal
[Terminal Connector] 16 sq mm Pure Copper Ring Lug Cable Terminal The 16 sq mm Pure Copper Ring Lug Cable Terminal is a high-quality electrical cable lug designed for making secure and reliable connections in high-current electrical systems. Made from pure copper, it provides excellent electrical conductivity and a strong mechanical connection between the cable and the terminal point. The ring lug design allows the terminal to be securely fastened to battery terminals, busbars, studs, bolts, and other electrical connection points. It is suitable for battery packs, inverters, UPS systems, solar installations, automotive wiring, and industrial electrical applications. The compact construction provides a reliable connection while allowing easy installation using a suitable crimping tool. The terminal is ideal for applications where a strong and low-resistance electrical connection is required. ⭐ Key Features Made from pure copper Designed for 16 sq mm cable Ring lug terminal design Excellent electrical conductivity Strong and reliable mechanical connection Suitable for high-current applications Easy bolt and stud mounting Suitable for battery and power wiring Ideal for electrical and DIY applications 📋 Technical Specifications Product Type: Copper Ring Cable Lug Material: Pure Copper Compatible Cable Size: 16 sq mm Terminal Type: Ring Lug Finish: Natural Copper / Tinned, depending on variant Connection Type: Bolt / Stud Mount Application: High-Current Electrical Connections 🔧 Applications Lithium Battery Packs LiFePO₄ Battery Systems Lead-Acid Batteries Inverter Connections UPS Systems Solar Power Systems Automotive Wiring Electrical Panels Power Distribution Industrial Wiring DIY Battery Projects 📦 Package Includes 1 × 16 sq mm Pure Copper Ring Lug Cable Terminal ⚠️ Precautions Select the correct lug according to the 16 sq mm cable size and required mounting hole diameter. Use a suitable cable-lug crimping tool for a secure connection. Ensure the cable is properly inserted and crimped before use. Do not exceed the safe current capacity of the cable and terminal assembly. Ensure all electrical connections are properly insulated and secured.
HLK-5M05 Hi-Link 5V 5W AC to DC Power Supply Module Isolated SMPS PCB Mount
[AC DC Power Supply Module] The HLK-5M05 Hi-Link 5V 5W AC to DC Power Supply Module is a compact isolated switching power supply designed for converting high-voltage AC input into a stable 5V DC output. It is widely used in embedded systems, automation projects, smart home devices, and industrial electronics. Unlike traditional transformer-based power supplies, this module integrates advanced switching power technology into a compact PCB-mount design. As a result, it offers high efficiency, low heat generation, and reliable long-term performance. In addition, the module supports a wide input voltage range from 90V AC to 264V AC, making it suitable for global power standards. Furthermore, the isolated design improves safety and helps protect connected electronic circuits. The HLK-5M05 includes built-in short-circuit, overload, and overcurrent protection, ensuring safe and stable operation. Moreover, its low ripple and low noise output make it suitable for sensitive electronic devices and microcontroller circuits. Because of its ultra-compact size and PCB mounting capability, the module is easy to integrate into custom electronic products and DIY projects. Therefore, it is commonly used in IoT systems, smart switches, automation controllers, industrial instruments, and communication equipment. 🔹 Key Features Stable 5V DC output 5W isolated switching power supply Wide AC input voltage support Compact PCB mount design Low ripple and low noise output Built-in overload and short-circuit protection High efficiency and reliability UL and CE compliant design Low no-load power consumption Suitable for industrial and DIY applications 🔹 Technical Specifications Model: HLK-5M05 Product Type: AC to DC Switching Power Supply Module Input Voltage: 90V – 264V AC Rated Input Voltage: 100V – 240V AC Output Voltage: 5V DC Output Power: 5W Maximum Output Current: 1000mA Short-Term Peak Current: ≥1200mA Input Frequency: 50/60Hz Maximum Input Current: ≤0.2A Efficiency at 220V AC: ≥70% Efficiency at 110V AC: ≥69% Ripple & Noise: ≤70mVp-p Voltage Regulation: ±0.2% Load Regulation: ±0.5% Isolation Type: High Isolation Cooling Method: Natural Air Cooling Working Temperature: -20°C to +60°C Storage Temperature: -40°C to +80°C Relative Humidity: 5% – 95% RH Mounting Type: PCB Mount Safety Protection: Overload & Short-Circuit Protection 🔹 Applications This AC to DC module is suitable for many electronic and industrial applications, including: Smart home systems IoT devices Automation controllers Industrial control systems Communication equipment DIY electronics projects Embedded systems Power supply circuits 🔹 Package Includes 1 × HLK-5M05 Hi-Link 5V 5W AC to DC Power Supply Module
Copper Lug 25mm | 25 Sq mm Copper Terminal
[Battery Connector] 25 sq mm Pure Copper Ring Lug Cable Terminal The 25 sq mm Pure Copper Ring Lug Cable Terminal is a high-quality electrical cable lug designed for making secure and reliable cable connections in high-current electrical systems. Made from pure copper, this ring terminal provides excellent electrical conductivity and a strong mechanical connection. The ring-type terminal design allows the lug to be securely fastened to battery terminals, busbars, studs, bolts, and other electrical connection points. It is widely suitable for battery packs, inverters, UPS systems, solar power installations, automotive wiring, and industrial electrical applications. Available in natural copper or tinned finish depending on the variant, the terminal provides reliable performance for power distribution and high-current cable connections. ⭐ Key Features Made from pure copper Designed for 25 sq mm cable Ring lug terminal design Excellent electrical conductivity Strong and reliable mechanical connection Suitable for high-current applications Easy bolt and stud mounting Available in natural copper / tinned finish Suitable for battery and power wiring 📋 Technical Specifications Product Type: Copper Ring Cable Lug Material: Pure Copper Compatible Cable Size: 25 sq mm Terminal Type: Ring Lug Finish: Natural Copper / Tinned, depending on variant Connection Type: Bolt / Stud Mount Application: High-Current Electrical Connections 🔧 Applications Lithium Battery Packs Lead-Acid Batteries LiFePO₄ Battery Systems Inverter Connections UPS Systems Solar Power Systems Automotive Wiring Electrical Panels Power Distribution Industrial Wiring DIY Battery Projects 📦 Package Includes 1 × 25 sq mm Pure Copper Ring Lug Cable Terminal ⚠️ Note Select the correct lug size according to your cable cross-section and mounting stud diameter. Use an appropriate crimping tool to achieve a secure connection. Ensure the cable is properly crimped before connecting to a high-current circuit. Finish may be natural copper or tinned copper depending on the selected variant.
Type-C USB Mini Humidifier DIY Kit 4 in 1 | 4-Fogger Mist Maker Module | Ultrasonic Atomizer Film Sheet with Driver Board
[Ultrasonic Sensor] The Type-C USB Mini Humidifier DIY Atomizer Kit is a compact ultrasonic mist generation module designed for building or repairing USB-powered humidifiers, aroma diffusers, and fogging systems. Powered directly from a 5V USB Type-C source, the kit features a high-performance driver board and four ultrasonic ceramic atomizer discs that generate a dense, cool mist with low power consumption. Using advanced 108KHz ultrasonic atomization technology, the module converts water into ultra-fine mist particles without producing heat or mechanical noise. The stable driver circuit ensures reliable oscillation, efficient mist production, and long service life, making it an excellent choice for DIY enthusiasts, students, makers, repair technicians, and electronics hobbyists. Simply connect the module to a 5V USB Type-C power source, place the atomizer discs in water, and enjoy instant cool mist generation. It is compatible with custom humidifier enclosures, bottles, containers, 3D-printed projects, hydroponic systems, and decorative fog applications. ⭐ Features USB Type-C powered (5V DC) Four ultrasonic ceramic atomizer discs High-density cool mist output Advanced ultrasonic atomization technology Stable driver circuit for reliable operation Low power consumption Silent operation with no moving parts Compact and lightweight design Easy plug-and-play installation Ideal for DIY humidifiers and aroma diffusers 📋 Technical Specifications Product Type: USB Ultrasonic Humidifier Driver Kit Power Input: USB Type-C Female Operating Voltage: DC 4.5V–5V Input Voltage: 5V USB Operating Current: 300mA (Typical) Power Consumption: 2.5W–3W Rated Power: 2W Operating Frequency: 108KHz ±2KHz Atomizer Quantity: 4 Ceramic Atomizer Discs Atomization Technology: Ultrasonic Mist Output: High Density Fine Mist Driver Board: Ultrasonic Oscillation Control Module Cooling Method: Natural Cooling Power Connector: USB Type-C Female Socket Material: Ceramic Atomizer Discs + PCB Driver Board 🔧 Applications Suitable for: DIY USB Humidifiers Aroma Diffusers Replacement Humidifier Modules Decorative Fog Makers Hydroponic Systems Smart Garden Projects Terrariums & Vivariums Indoor Plant Humidification Science & Educational Projects Prototype Development DIY Electronics Projects 📦 Package Includes 1 × Ultrasonic Driver Circuit Board 4 × Ceramic Ultrasonic Atomizer Discs ⚠️ Note Use only clean water for optimal performance and longer atomizer life. Do not operate the module without water. Product images are for illustrative purposes only. The actual product may vary slightly depending on the manufacturing batch.
12V 24V to QC3.0 Fast Charge Dual USB Charging Board Step-Down Module
[Step Down Buck Converter] Dual USB Output • Fast Charging • High Efficiency • Wide Input Voltage The Dual USB QC3.0/QC2.0 DC-DC Buck Converter Module is a compact and high-efficiency DC step-down power supply designed to convert 6V–32V DC input into dual USB fast-charging outputs. Equipped with two USB ports, it allows simultaneous charging of two devices while supporting multiple fast-charging protocols for maximum compatibility. Using advanced synchronous buck conversion technology, the module delivers up to 24W output power with a conversion efficiency of 90%–97%. It automatically detects compatible devices and adjusts the output voltage between 3V and 12V to provide fast, safe, and efficient charging. The module supports a wide range of charging standards including Qualcomm Quick Charge 2.0 & 3.0, Huawei FCP/SCP, Samsung AFC, Apple Charging Protocol, BC1.2, DCP, and Spreadtrum SFCP, making it suitable for charging smartphones, tablets, GPS devices, Bluetooth speakers, and other USB-powered electronics. Its wide input voltage range makes it ideal for automotive power systems, solar charging applications, battery-powered devices, industrial equipment, and DIY electronic projects. ⭐ Features Dual USB charging ports Supports Qualcomm Quick Charge 2.0 & 3.0 Wide input voltage: 6V–32V DC Automatic output voltage adjustment (3V–12V) Maximum output power up to 24W High conversion efficiency (90%–97%) Supports multiple fast-charging protocols Built-in output voltage compensation Stable and reliable performance Compact PCB design for easy installation 📋 Technical Specifications Product Type: DC-DC Buck Converter Fast Charging Module USB Output Ports: 2 Input Voltage: 6V–32V DC Default Output Voltage: 5V Fast Charging Output Voltage: 3V–12V (Automatic Negotiation) Maximum Output Power: Up to 24W Typical Output Modes: 5V / 3.4A 9V / 2.5A 12V / 2A Conversion Efficiency: 90%–97% Charging Protocols Supported: Qualcomm QC2.0 Qualcomm QC3.0 Huawei FCP Huawei SCP Samsung AFC Apple Charging Protocol BC1.2 DCP SFCP Output Voltage Compensation: Supported Cooling Method: Natural Air Cooling Mounting Type: PCB Mount Material: Metal + Plastic 🔧 Applications Suitable for: Car USB charger conversion Solar charging systems Battery-powered projects DIY power supplies Smart home electronics Mobile phone charging Tablet charging GPS devices Bluetooth speakers Industrial control equipment Portable charging stations Embedded electronic projects 📦 Package Includes 1 × Dual USB QC3.0/QC2.0 DC-DC Buck Converter Fast Charging Module
Out of stockHi Link HLK 5M05 5V/5W Switch Power Supply Module
[Power Supply] HLK-5M05 5V/5W Switch Power Supply Module is plastic enclosed PCB mounted isolated switching step-down power supply module. It can supply 5V DC from 120V AC – 230V AC and has a power rating of 5 Watt. This makes it perfect for small projects that need a 5 volt supply from mains. This power supply module replaces lots of parts from the traditional power supply like diodes, voltage regulator and transformers. Therefore there are many advantages for these modules, such as low-temperature rise, low power, high efficiency, high reliability, high-security isolation etc. This Power Supply Module voltage source is a switching source, so you do not have to worry about fluctuations in voltage grid. It is designed to be mounted on the PCB and is the ideal solution to power pads that you take. It is widely used in a smart home, automation and control, communication equipment, instrumentation and other industries. Features: Meet UL, CE requirements, Ultra-thin, ultra-small All voltage input (AC: 90 ~ 264V) Low ripple and low noise Output overload and short circuit protection High efficiency, high power density The product is designed to meet the requirements of EMC and Safety Test Low power consumption, environmental protection, no-load loss <0.1W Environmental conditions: Technical indicators: Single bit Working temperature: – 20-60 +degree Storage temperature: + 80-40 -degree Relative humidity: 5-95% The cooling way: Natural cooling The atmospheric pressure: 80-106Kpa The altitude: 2000M or less. Package Includes: 1 x HLK-5M05 5V/5W Switch Power Supply Module
Small Aluminium Heat Sink for TO-220 Package
[Aluminium Heat Sink] Small Aluminium Heat Sink for TO-220 Package The Small Aluminium Heat Sink for TO-220 Package is a compact passive cooling component designed for TO-220 package transistors, voltage regulators, MOSFETs, and other low-power semiconductor devices. It helps transfer heat away from the electronic component and dissipate it into the surrounding air, helping maintain a safer operating temperature. A matching product listing confirms that this heatsink is intended for low-power dissipation and includes a mounting hole for securing a transistor or voltage regulator. Its compact size makes it particularly useful where PCB space is limited. The heatsink is made from aluminium and has a 1mm material thickness, with overall dimensions of 15 × 9 × 19mm. ⭐ Key Features Designed for TO-220 package components Made from aluminium Compact and lightweight construction Suitable for low-power heat dissipation Helps reduce semiconductor operating temperature Mounting hole for securing compatible components Suitable for transistors, voltage regulators and similar devices Easy to install on electronic components Ideal for PCB and DIY electronics projects 📋 Technical Specifications Product Type: Aluminium Heat Sink Application: TO-220 Package Material: Aluminium Length: 15mm Width: 9mm Height: 19mm Thickness: 1mm Dimensions: 15 × 9 × 19mm Weight: Approximately 1g Mounting: Screw Mount Heat Dissipation: Passive / Natural Convection Application Type: Low-Power Semiconductor Cooling The dimensions and approximately 1g weight are listed by the corresponding product listing. 🔧 Applications TO-220 Transistors Voltage Regulators MOSFETs Power Transistors Linear Regulators Small Power Supply Circuits Arduino Projects DIY Electronics PCB Projects Embedded Electronics General Semiconductor Cooling 🛠️ Installation Place the heatsink against the heat-producing surface of the compatible TO-220 component and secure it through the mounting hole using an appropriate screw and nut. For improved thermal transfer, a suitable thermal interface material or thermal compound can be used between the component and heatsink where appropriate. Ensure that the heatsink does not accidentally create an electrical short between component terminals or other PCB traces. 📦 Package Includes 1 × Small Aluminium Heat Sink for TO-220 Package ⚠️ Precautions Use only with components that are mechanically compatible with the heatsink. Ensure the heatsink is securely mounted. Check for possible electrical contact between the heatsink and component terminals. Use thermal compound or an appropriate thermal interface where required. This is intended for low-power heat dissipation; higher-power applications may require a larger heatsink or forced-air cooling.
MQ-5 Methane LPG Liquid Propane Gas Sensor Module
[Gas and Dust Sensor] The Simple MQ-5 Methane LPG Liquid Propane Gas Sensor Module is a great way to add basic gas sensing to your project at a reasonable price. TheMQ-5 Methane LPG Liquid Propane Gas Sensor Module particulate sensor uses a Buzzer to sense any detected material that is even present in the air! This MQ-5 Methane LPG Liquid Propane Gas Sensor Module is widely used in gas leakage detecting pieces of equipment in family and industry, are suitable for detecting LPG, natural gas, town gas, avoid the noise of alcohol and cooking fumes and cigarette smoke The MQ5 ( MQ-5 ) is used in gas leakage detecting equipment in consumer and industry applications, this sensor is suitable for detecting LPG, natural gas, coal gas. Avoid the noise of alcohol, cooking fumes, and cigarette smoke. The sensitivity can be adjusted by the potentiometer. The sensitive material of the MQ-5 gas sensor is tin Oxide (SnO2), which with lower conductivity in clean air. When the target combustible gas exists, The sensor’s conductivity is higher along with the gas concentration rising. Please use a simple electro circuit, Convert the change of conductivity to the corresponding output signal of gas concentration. MQ-5 gas sensor has a high sensitivity to Methane, Propane, and Butane, and could be used to detect both Methane and Propane. The sensor could be used to detect different combustible gas especially Methane, it is with low cost and suitable for different application Connections VCC ↔ 2.5V ~ 5.0V GND ↔ ground Aout ↔ MCU.IO (analog output) Dout ↔ MCU.IO (digital output) Note: Buzzer is not included in this package, you have to buy it separately. Features : High sensitivity to LPG, natural gas, town gas. Small sensitivity to alcohol, smoke. Stable and long life. Simple drive circuit. Fast response. Package Includes : 1 x MQ-5 Methane LPG Liquid Propane Gas Sensor Module