MH-Z19 Infrared CO2 Gas Sensor Module for CO2 Monitor

5V 8 Channel SSR Module The 5V 8-Channel Solid-State Relay is somewhat similar to that of a mechanical relay & the difference is that there is no moving contact in a Solid-State Relay. Here we make use of a Phototrriac coupler to turn it ON and OFF. It finds its application in AC circuits as a TRIAC has got only limited applications in DC. The 5V 8 Channel SSR relay allows you to control high-voltage AC loads from lower voltage DC control circuitry. Solid-state relays do have several advantages over mechanical relays. One such advantage is that they can be switched by a much lower voltage and at a much lower current than most mechanical relays. Also, because there are no moving contacts, solid-state relays can be switched much faster and for much longer periods without wearing out. Input Parts : DC+: connected to VCC (Supply power according to relay voltage) DC-: connected to GND IN1: CH1 Signal triggering the end of 1-channel relay module (active at the high level) IN2: CH2 Signal triggering the end of 2-channel relay module (active at the high level) IN3: CH3 Signal triggering the end of 3-channel relay module (active at the high level) IN4: CH4 Signal triggering the end of 4-channel relay module (active at the high level) IN5: CH5 Signal triggering the end of 5-channel relay module (active at the high level) IN6: CH6 Signal triggering the end of 6-channel relay module (active at the high level) IN7: CH7 Signal triggering the end of 7-channel relay module (active at the high level) IN8: CH8 Signal triggering the end of 8-channel relay module (active at the high level)

11.1V 4500mAh Lipo Battery Lithium polymer battery Pack (LiPo) batteries are known for performance and reliability. Lithium polymer battery Pack (LiPo) batteries deliver the full rated capacity at a price everyone can afford. They are equipped with heavy-duty discharge leads to minimize resistance and sustain high current loads and stand up to the punishing extremes of aerobatic flight and RC vehicles. Here is a tutorial video on how to charge your LiPo battery using an iMax B6 multifunctional charger. SAFETY PRECAUTIONS: In order to maintain the efficiency and battery life of the LiPo batteries, avoid overcharging or over-discharging them. LiPo batteries must not be kept near hot devices, surfaces, or substances. This can lead to severe damage and/or fire. To avoid environmental damage, do not throw the Lithium Polymer batteries into water or fire. Never leave this battery on charge unattended. APPLICATIONS FOR THIS PRODUCT: LiPo batteries can be used in RC Cars Quadcopters RC airplanes Power various small low-powered embedded devices. Features of 11.1V 4500 mAh LiPo Battery: Battery Type LiPo Batteries Capacity (mAh) 4500 Output Voltage 11.1V Recommended Charge Rate 1-3C Maximum Discharge rate 35C Maximum Charging Rate 5C Dimensions 135 x 43 x 23 mm Weight 100 grams

Arrow Wire Nipper 07 The Arrow Nipper 07 with cushioned grips for cutting copper and aluminum conductors. This is made of high carbon alloy steel and induction hardened for longer life. It is suitable for electronics, House Hold, computers, and PCB assemblies. If you have just started soldering or are planning to learn to solder then this is a very important tool for you. This instrument has various names normally it is called a cutter, side cutter or lead cutter. It is normally used to cut wire or leads (legs) of components also they can be used to strip the insulation off of a wire. Applications: Electronics House Hold Computers PCB assemblies

WeMos Lolin V1.0 wifi+Bluetooth This is WeMos LOLIN32 board which is based on ESP 32 Rev1 Wifi and Bluetooth Board. The WeMosboard is designed perfectly for DIY wifi-based projects compatible with Arduino. This WeMos Lolin wifi board is inspired by Adafruit’s Feather series. It has 4 MB flash memory onboard, a USB-serial adapter (cp210x), and a LiPo battery charger and connector. All the relevant pins are broken out and well-labelled, especially on the bottom. It has a nice central reset button and even a single-user LED for your blinking pleasure. Pinout: Pinout of WeMos Lolin V1.0 wifi+Bluetooth Applications: Wireless Communications IoT Applications Control System Home A utomation

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

YWBL-WH Mushroom Emergency Stop Push Button Switch - 22MM The AC 660V 10A LAY37 DPST Emergency Stop Push Button Switch push button is for Lift, Elevator Latching Self Lock and CNC machines emergency stop. It is made of high-quality material. It has long service life Built-in screw-type connecting cable.  Reset by turning the button as the arrows show and don’t turn inversely Applications: Electromagnetic starter Contactor Relay Other automatic control electric circuits

10E 3296W Trimpot Trimmer Potentiometer (Pack of 5) 10E 3296W Trimpot is a high accuracy variable resistor and PCB mountable with 3 terminal pins. A general-purpose board mountable preset also called by other names like potentiometers, Trimpots, etc but is just a variable resistor. The voltage between the terminal varies as the trimpot is rotated. The Variable resistors are used for variating voltage as per the need in a circuit. The outer two pins are connected to Vcc and 0V, and the center pin outputs a variable voltage between 0v and Vcc as the rotary cermet is rotated. The potentiometer is easy to mount on a PCB and can be adjusted using a screwdriver. This potentiometer has a single turn, which can be used to preset a value. Applications Can be used to adjust the voltage drop in the circuit Measurement and Test of electronic circuits Can be used to control the intensity of led lights in DIY projects

1-CH 12V Relay Board This is a small and easy to use 1 channel relay board that operates on 12V. Use it to control one 240V power appliance directly from Arduino, Raspberry Pi, and other microcontrollers or low voltage circuits. Perfect for switching 240V appliances – lights, fans, etc, and even high-power motors at lower voltages. The board uses a high-quality relay, which can handle a maximum of 10A/250 V AC or 15A/125V AC. Each relay has all three connections – Common, Normally Open, Normally Closed brought out to 3 pin screw terminals which make it easy to make and remove connections. The board has a power indication and a relay status LED to ease debugging. The board can accept control inputs within a wide range of voltages from 4V to 12V. Power input and relay control signals are brought to header pins on the board. Hence, the board can be easily interfaced with our development boards using our female-to-female jumper wires.

Third-Hand Tool with Magnifying Glass This is a 60mm Magnifying Glass Multifunctional Welding Fixture. This is a useful tool for soldering, electronics, and model construction. This tool’s third-hand clamp is useful for the jeweler and the Electronic Engineers who use a magnifying glass. There are numerous configurations for the two adjustable locking arms with alligator clip jaws and magnifying glass. The magnifier improves the field of vision for small objects, and the heavy, sturdy cast-iron base keeps the work from moving around. Third-Hand Tool with Magnifying Glass - ZD-10D is a helper for your soldering work. It has a PCB frame with a real-glass magnifier for an improved view. The cast iron base ensures a secure position. Ideal for working on small PCBs, components, clocks, etc. The base surface is padded with metal sheet to increase base weight and reinforce stability. - Perfect for electronic welding, modeling, stamp collecting, embroidery, antiques, biological observation, reading, jeweler working, etc. check out : Helping hand Magnifier Led Glass with Soldering Stand Features: Adjustable Arms: Features adjustable arms with alligator clips that can hold small components, wires, or circuit boards securely in place. Magnifying Glass: Equipped with a magnifying glass to provide a closer view of the work area, enhancing precision. Heavy Base: The heavy-duty base ensures stability, preventing the tool from tipping over during use. Hands-Free Operation: Frees up your hands, allowing you to work more efficiently and safely. Versatile Movement: Adjustable joints allow for versatile movement in all directions. Solid Gripping: Two solid gripping alligator heads for secure holding. Applications: Electronic welding Modeling Embroidery Biological observation Jeweler working

5mm White Led (Pack of 10) A  white light-emitting diode (LED) is a semiconductor light source. LEDs are used as indicator lamps in many devices and are increasingly used for other lighting. It looks like a white LED and illuminates blue light. When a light-emitting diode is switched on, electrons are able to recombine with holes within the device, releasing energy in the form of photons. This effect is called electroluminescence and the color of the light (corresponding to the energy of the photon) is determined by the energy bandgap of the semiconductor.

24V Warm White 5050 SMD LED Strip Flexible 5M/Roll NO Waterproof This Bright 5050 SMD LED, has high intensity and reliability. It has a significantly longer life span of around 50,000 hours than ordinary LED strips available in the market and therefore it can be used for application where long-life performance required. This 5 meter LED strip with around 300 LEDs on strip operates at 24V at 2A DC supply. The Strip has soldered endpoint from both ends to connect strip conveniently. The flexible ribbon is very easy for curving around bends and for completely smooth and even light spread, solving the uneven luminous problem. This LED strip has the advantage of Ultra-bright but running at low-temperature low power consumption. The strip comes with 5M self-adhesive to easy install. With this you can create different ambience at the comfort of your hands just by switching lights on and the designer sequence of lights that are already preset. These lights can be used as decorative pieces around the house especially during festive occasions, office buildings, walls etc. or for any functions to brighten the occasion. Application: Ideal for decoration of building outlines, landscape illumination, amusement themes. Holiday light sculpture, decorative figure, active signs, displays, shop windows Storefronts, bar, nightclub, street, sidewalk, deck, park, porch, staircase, railing, ceiling, or driveway.

MB102 830 Points Solderless Breadboard An MB102 830 Points Solderless Breadboard is an exceptional tool for experimenting with circuit designs whether in the R&D or university lab. This MB102 830 points solderless prototype PCB breadboard is used to make up temporary circuits for testing or to try out an idea. No soldering is required so it is easy to change connections and replace components. For the connection, you can use jumper wires. This solderless breadboard can be used with Arduino and other microcontrollers. Also, check the Breadboard Power Supply (3.3V-5V). Features: Compatible with resistance, diodes, transistors, LEDs, capacitors, and other electronic components Completely reusable Colored coordinates for easy component placement 830 solder-less points Accepts a variety of wire sizes (20-29 AWG) Get insights into What is Breadboard and its uses. Application: Prototyping Projects Educational Tool Rapid Prototyping Testing and Debugging DIY Electronics

30 RPM 12V DC Johnson Geared Motor (Grade B) This 30 RPM 12V DC Johnson Geared Motor (Grade B) is a reliable and affordable choice for projects that demand a balance of torque and performance. Equipped with a high-quality metal gearbox, this Johnson geared motor delivers a powerful torque of 9.4 kg-cm at 30 RPM when powered by a 12V DC supply. Designed with a side shaft (off centered), it features metal bushes to reduce wear and ensure long-term durability, making it ideal for mechanical and robotic applications. While it is labeled as "Grade B," this motor still offers excellent functionality at a lower price compared to Grade A variants. With six M3 mounting holes and a shaft hole for improved coupling, this DC motor is easy to integrate into various setups. The 30 rpm gear motor performs efficiently across a voltage range of 6V to 18V, making it a versatile component for both hobby and professional use. Whether you’re working with automation systems, DIY robots, or custom machines, this 30 rpm DC motor from the Johnson motors lineup is a dependable choice for your toolkit. Applications: Auto shutter Welding machines Water meter IC card Cleaning machine Garbage disposers household appliances Features: The motor is built to last. Metal bushes are equipped with shafts for long-term use. High-quality gear is included. A hole in the shaft allows for improved connection.

XT60 Male connector The XT60 Male Wire connector is useful for connecting your battery and ESC. These are widely used to connect batteries with drones safely. The XT60 connectors are suitable for high-power brushless and brushed ESC and motors which are used in RC helicopters, quadcopters , planes, and cars. They ensure high amp connections.

15cm x 10cm Single Side Copper Clad Laminate PCB Board Ideal for building a prototype of electronic circuit, double sided copper PCB. Mechanically assisted and electrically connects electronic components with conductive rails, pads and other features etched from copper plates on a non-conductive substrate. This product is widely used in product development, DIY experiments, maintenance, production, etc.