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.

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.

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

Multitec CK-18 Cutter Knife The Multitec CK-18 Cutter Knife is a high-quality box cutter knife designed for precision, comfort, and safety. Featuring an 18mm snap-off blade with a side lock mechanism, this Multitec knife provides secure, controlled cutting for a wide range of tasks. Whether you're working on packaging, arts and crafts, or everyday utility jobs, its ergonomic design ensures ease of use and reduces hand fatigue. Built for durability and performance, the CK-18 is the perfect tool for both professionals and DIY enthusiasts. Features: The body is manufactured from strong engineering plastic for smooth operation and ruggedness. Blade is constructed from JIS standard high-grade steel. One blade with eight cut-off points. To ensure safety, the blade locks automatically. Locks the blade to the specified length.

Multitec MT-02DX Wire Stripper The Multitec MT-02DX Stripper is an improved version of the Self Adjusting Cutter/Stripper with improved functionality and design. This is a unique tool for stripping and cutting insulation any types of wires with diameters ranging from 0.2mm to 6mm. This tool is self-adjustable and does not damage the inner core in any way. Applications: Electronic Aviation automobile Day to Day maintenance of electrical wires & cables It is also suitable to strip Also check the Multitec MT-02DX+ Stripper , available on the Iotcart website It is a 2-in-1 wire stripper and cutter suitable for wires ranging from 0.5mm to 6mm. The tool has a self-adjusting mechanism, a tension knob for crimp adjustment, and an ergonomic grip to reduce hand fatigue.

Multitec MT-02DX+ Stripper The Multitec MT-02DX+ Stripper is an improved version of the Self Adjusting Cutter/Stripper with improved functionality and design. This is a unique tool for stripping and cutting insulation any types of wires with diameters ranging from 0.5mm to 6mm. This tool is self-adjustable and does not damage the inner core in any way. Key Features: Tension Knob: You can adjust the tension with a turn of the tension knob so you get the perfect crimp. Crafted with Precision: Easily perform multiple wiring and cable applications with the precisely machined teeth. Ergonomic Grip: Allow user to comfortably hold while having a secure grip to reduce hand fatigue while working for long periods of time. Applications: Electronic Aviation automobile Day to Day maintenance of electrical wires & cables It is also suitable to strip

Multitec MT-06 Cutter Multitec MT-06 Cutter is a unique stripper and cutter which is suitable for the cutting of Aluminum and Copper wires. The Multitec MT-06 Cutter tool  can cut wire up to a dia of 1.4mm, this tool consists of cushion sleeves which provide comfort for the continuous working over the tools. This cutter is dully polished with an extremely well finished cutting edges Also check the Multitec MT-111-SS Cutter . It is a cable cutter designed for cutting copper and aluminum wires up to 10mm in diameter. The cutter features a stainless steel construction with a high-quality cutting head, ensuring durability and a long life. Applications: Can be used for home and professional use.