MT3608 DC-DC Boost Module (2V-24V) The MT3608 2A Max DC-DC Step Up Power Module Booster Power Module is a budget-friendly module that enables the user to step-up a 2 to 24V input voltage to a 5 to 28V output at a maximum of 2A. DC-DC boost converters raise the input voltage to a higher voltage while simultaneously decreasing the available current since the module can't output more power than what it receives. This boost converter is adjustable and can generate a voltage within the 5.0 to 28V range while providing a continuous current of up to 1.5A based on the input/output voltage settings, with 1A accessible with most configurations. The input voltage should be lower than the output voltage, as the device operates as a boost converter. The MT3608 converter IC integrates over-current and thermal limiting features to safeguard against device failure in the event of excessive stress. Furthermore, the converter can utilize low ESR bulk ceramic capacitors instead of electrolytic capacitors, which eliminates long-term aging concerns and contributes to the compact design of the device. Features It’s efficient by up to 93%. It can source a good amount of current. It is an inexpensive converter module. It’s simple to adjust to get your desired increase in voltage.

MT8870 DTMF Voice Decoding Module The DTMF Decoder Module is the ultimate solution for projects requiring dual-tone multi-frequency decoding. Ideal for modem interfaces, mobile radios, and other DTMF applications, this module offers versatile compatibility and user-friendly design. With onboard LEDs, low power consumption, and adjustable guard time, it ensures quality performance and easy integration into UNO/MEGA2560/DUE boards. The central office quality and internal gain-setting amplifier guarantee optimal signal reception, making it a reliable choice for diverse projects. Convenient input interfaces, multi-channel outputs, and complete functionality make this module a must-have for enthusiasts and professionals alike. Purchase now and experience seamless DTMF decoding! Features: Onboard voice input interface Low power consumption Internal gain setting amplifier Onboard LED, it is very convenient to check the output state. Adjustable guard time Central office quality Onboard 3.5mm input interface 5 Channel interface On-board MT8870 frequency decoder chip Power-down mode Inhibit mode Onboard audio input interface Onboard LED lights for output state indicationComplete DTMF Receiver. Does not require external circuits or wiring, it can be inserted directly into the UNO/MEGA2560/DUE board to use. 12-Digital outputs decode mobile and fixed telephone keys (0-9, * #). Also, another 4 Digital outputs (ABCD) can use “DTMF Dial” for Software control. MT8870 DTMF Decoder Circuit Diagram: Applications: Modems, mobile radios, call routing. Mobile-controlled robots. Home Automation. Menu navigation via phone keypad. Industrial Automation. Education. Prototyping MT8870 DTMF Decoder Module - Arduino Test with PWM Audio Synth Tones

MTQ911 Temperature controlled variable soldering iron combination set The MetroQ Temperature-controlled variable soldering iron combination set MTQ 911 is a complete soldering kit that includes everything you need to get started soldering. The set includes a variable soldering iron, a dust-blowing ball, a soldering wire, a desoldering wire, a soldering iron stand, a rosin, a brush, two screwdrivers, a triangle plate, and a lever. All of the items are stored in an attractive plastic container. The variable soldering iron has a temperature range of 200-450 degrees Celsius, so you can easily set it to the correct temperature for the task at hand. The dust-blowing ball helps to keep the soldering iron tip clean, while the soldering wire and desoldering wire are essential for making and breaking solder joints. The soldering iron stand keeps the iron safe and secure when not in use. The rosin helps to improve the flow of solder, while the brush is used to clean the soldering iron tip. The two screwdrivers are for adjusting the soldering gun tip and the lever is used to release the soldering iron from the stand. The MetroQ temperature-controlled variable soldering iron combination set MTQ 911 is a great value for the price. It is a complete soldering kit that includes everything you need to get started soldering. The soldering gun set is well-made and durable, and it comes with a variety of useful accessories. Features: Variable soldering iron with temperature range of 200-450 degrees Celsius Dust blowing ball Soldering wire Desoldering wire Soldering iron stand Rosin Brush Two screwdrivers Triangle plate Lever Attractive plastic container The MetroQ Temperature controlled variable soldering iron combination set MTQ 911 is a great choice for anyone who needs a complete soldering kit. It is well-made, durable, and comes with a variety of useful accessories.

Multi Coin Acceptor Programable for Vending Machines This coin acceptor will accept as many as six distinct coin types! The thickness, diameter, and fall time of the coins are used by the sensors in this coin acceptor to identify them, and it is entirely customizable so you are not restricted to any certain sort of currency. By analyzing the coin's mass, size, diameter, thickness, metal composition, and/or magnetism, the coin selector determines which coin it is, and after that, sends the proper electrical signal via its output link. It also contains a coin reject button that your controller may use to instruct it to stop accepting coins. A pocket full of change, a 12 VDC supply, and a place for the change to fall once it is accepted are all you need to get the coin acceptor running. It can be easily interfaced with any sensors. Multi Coin Acceptor for Vending Machine Built Features: Easy integration for coin acceptance and detection. Accepts up to 6 types of coins and tokens worldwide. Ensures precise coin detection with intelligent CPU control. Accurately detect valid coins while rejecting fake ones. Signals valid coins using digital pulses for microcontroller connection. No PC is needed for setup and automatic self-test for troubleshooting. Guards against electric shock and electromagnetic interference.

Multi-Channel Indoor Gateway For Lorawan-LPS8N The Dragino LPS8N Indoor LoRaWAN Gateway is an ideal option for smart buildings, home automation, and industrial IoT applications. It includes an Open Source OpenWrt system that can be easily managed via Web GUI or SSH. This gateway is equipped with the SX1302/03 LoRa concentrator and 10 configurable parallel demodulation pathways, that guarantee robust and reliable data transfer over long distances. Customizable frequency bands enable users to configure the gateway to suit specific regional requirements, while an optional cellular version offers additional connectivity options with 3G/4G support. The LPS8N indoor gateway is designed to resist environmental conditions, which makes it perfect for smart metering, agricultural, and smart city applications. The LPS8N is integrated with Remote.it remote management. It improves operating efficiency by allowing for smooth monitoring and maintenance. The Dragino LPS8N Indoor LoRaWAN Gateway not only offers high quality and longevity, its design and technology make it an ideal solution for a variety of IoT applications. Features: Open Source OpenWrt system Managed by Web GUI, SSH via LAN or WiFi Emulates 49x LoRa demodulators LoRaWAN/LoRa Gateway 10 programmable parallel demodulation paths Remote is remote management. Applications: Smart Buildings & Home Automation Logistics and Supply Chain Management Smart Metering Smart Agriculture Smart Cities Smart Factory

Multicolor Handheld Spot Welding Pen for 18650 Battery – Automatic Trigger DIY Welding Tool This handheld spot welding pen is designed to make 18650 battery welding quick, precise, and effortless. Built with a thick copper bar, it delivers strong conductivity and high working efficiency, ensuring consistent and reliable welds. Its integrated, compact design not only looks neat but also improves heat dissipation, helping the tool maintain stable performance during long sessions. The dual-spring structure allows each welding arm to move independently, making it easier to adjust and work comfortably. With a built-in limit switch, the pen enables true one-hand operation - no need for foot pedals or extra triggers. Whether you're assembling battery packs, repairing electronics, or building DIY power projects, this welding pen offers stable performance, long service life, and a smooth user experience. Features: Thick copper bar design improves efficiency and durability. Integrated body structure for better heat dissipation and neat appearance. Dual-spring mechanism allows each welding pen to move independently. Built-in limit switch enables one-hand automatic trigger operation. Comfortable to hold, stable during use, and suitable for extended work sessions. Ideal for welding 18650 batteries and other small electronic assemblies. Durable, wear-resistant construction designed for long service life.

Multifunction Delay Relay Switch Module 12 voltage relay switch, easy to use. With emergency stop function (“stop” button) and reverse polarity protection which can avoid burning by reverse connection.

Multifunctional DC 24V 1 Channel Relay Module Low Level The Multifunctional DC 24V 1 Channel Relay Module is designed to control various devices and loads. It uses a high-quality double-sided FR-4 circuit board for better performance and durability. The module has clear power and relay indicators, so you can easily see its operation. The relay can turn on when a low-level signal is input, making it simple to control other devices. It features both normally open and normally closed contacts, offering flexibility in your projects. The 24V relay module uses a blue KF301 terminal for easy wire connections.

Multipurpose 20cm PCB Ruler – Engineering Measuring Tool The Multipurpose 20cm PCB Ruler is a versatile and durable measuring tool crafted specifically for electronics engineers and PCB designers. Built from strong PCB material with copper etching and gold plating, it offers excellent durability and long-lasting clarity. With dual-scale measurements in millimeters and inches, this extended 20cm ruler provides more workspace coverage, making it ideal for larger design measurements and technical tasks. Beyond measurement, it serves as an essential PCB reference guide, featuring IC package outlines such as SOP-32, SOP-24, SOP-20, SOP18, SOP16, and SOP14, along with SMD resistor/capacitor size charts, hole diameter references, pin spacing guides, and polarity markings. Whether you're prototyping, planning PCB layouts, or verifying component dimensions, this ruler helps streamline your workflow with quick, accurate, and readily available engineering data. Features: 20 cm (8-inch) dual-scale ruler with accurate millimeter and inch markings, offering reliable measurements for PCB design and electronics work. Crafted from durable, gold-plated PCB material, ensuring long-lasting clarity, corrosion resistance, and premium build quality. Includes essential IC package guides such as SOP-32, SOP-24, SOP-20, SOP18, SOP16, and SOP14, making it easier to verify component outlines during prototyping. Provides AWG hole references (28–8 AWG) along with commonly used hole diameter charts for quick and accurate mechanical checks. Features SMD package dimensions for resistors, capacitors, diodes, and other components, helping users confirm sizing during PCB layout. Lightweight, slim, and easy to carry, fitting comfortably in electronics toolkits, backpacks, or workbench drawers. Acts as a dependable multipurpose engineering ruler, ideal for PCB designing, circuit debugging, electronics education, and rapid component referencing.

Multitec 150B Wire Stripper & Cutter This Multitec 150B Wire Stripper & Cutter is a high grade stainless steell stripper/cutter ideal for professionals. The tool is suitable for the flush-cutting action. The Multitec Wire Cutter is mainly used to strip and cut the wire with a 12-24 gauge. The black oxide finish prevents corrosion. Based on the wire size, screws have to be adjusted. The Wire Stripper typically uses a combination of mechanical and blade-based stripping techniques to remove insulation from wires. The machine is equipped with adjustable blades that can be set to specific stripping lengths, allowing for efficient and precise stripping of a variety of wire sizes and types. check out : 68C Multitec Wire Stripper and Cutter Applications: Can be be used for professional use Industrial applications