Fracktal Works TWIN Dragon 400 FDM 3D Printer The Fracktal Works TWIN Dragon 400 FDM 3D Printer is fantastic for anyone who loves 3D printing. It has a dual extruder, which means it can print two materials at once, making it easier to create big and detailed parts. You can print fast, with speeds up to 400 mm/s, and it has a large build area of 400 mm x 400 mm x 400 mm. This makes it perfect for quickly making prototypes or parts for different projects. Plus, it supports special materials that can dissolve away, so you can create complex shapes without worrying about removing supports. Using Fused Deposition Modeling (FDM) technology, this printer works with many materials like ABS, PLA, Nylon, and even stronger options like PEEK. It’s great for students, businesses, or anyone who enjoys making models. With helpful features like a heated build chamber and auto bed leveling, getting started is easy. If you're looking for one of the best 3D printers in India, the TWIN Dragon 400 is definitely worth checking out! Features: Dual extrusion for complex designs. Large build volume: 400 mm x 400 mm x 400 mm. Fast print speed: up to 400 mm/s. Direct drive extruder for precise filament feeding. Adjustable layer resolutions: 100 to 800 microns. Heated build chamber for various materials. Compatible with ABS, PLA, Nylon, PEEK, and more. Auto bed leveling for easy setup. Filament chamber heater keeps filament dry. User-friendly touchscreen interface. Durable design for industrial and educational use. Ideal for prototypes, industrial parts, and production models.

1 Channel 5V Active Low Relay Board The 5V 1-channel relay module works with a 5V to 12V TTL control signal. It is perfect for controlling home appliances and for use in microcontroller projects. the 5V relay module can handle a 220V AC load, so you can use it to control motors, LED strips, or other devices. This single-channel relay acts like a regular switch, keeping its contacts separate from the circuit it controls. It has an LED light to show when the relay is ON and accepts input from a 3-5V microcontroller. The output terminals connect to the relay, and there’s a 2x3-pin male header for easy wiring. You can power it with an external 5V source or through the male header. The 5V relay module can handle up to 5A at 240V AC. Note : It is important that the microcontroller shares ground with the relay board along with other control signals else it will not be able to control the relay. Also, check the other 5V Relays Collections . Check out our wide variety of Relays including 5V, 12V, and Solid state relay switches. Features: Input signal can come directly from a microcontroller Works at 3V or 5V to control relays Can switch a variety of AC or DC high voltage loads Suitable for SCM development and home appliance control 5V~12V TTL control signal for DC/AC control LED indication of relay ON Contact rating: 5A at 240V AC Direct input from 3-5V microcontroller for relay control Provision of 2x3Pin male header for wire connection Powered from external 5V or from the male header Relay contact is isolated from the driven circuit Applications: Home automation Robotics Light control Motor control Solenoid control Valve control Process control Alarm systems Access control systems Surveillance systems DIY projects Pinout:

74HC11 - Triple 3-Input AND Gate IC The 74HC11 is a digital integrated circuit (IC) with three separate 3-input AND gates. It belongs to the 74HC family of integrated circuits, which are high-speed CMOS (Complementary Metal-Oxide-Semiconductor) devices with quick switching rates and low power consumption. The 74HC Series 74HC11 has three inputs and one output for each AND gate. Only if all of the inputs are high is the output (logic 1) high (logic 1). The output is low if any of the inputs is low (logic 0). (logic 0). As a result, the 74HC11 can be used to create logic functions that require the combination of many signals. The 74HC11 comes in a typical DIP (Dual In-line Package) form factor and is easily incorporated into circuits utilising through-hole technology. It can handle input and output voltages ranging from 0V to Vcc and operates across a wide voltage range of 2V to 6V. Pinout: Pinout Of 74HC11 IC

12V 4CH Relay Board This is a 12V 4-Channel Relay interface board. It can be used to control various appliances and other equipment with large current. The 4 channel relay board can be controlled directly by Micro-controller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic). T his 12V relay switch is useful in creating a central hub from where multiple remote loads can be powered. It is useful for tasks like home automation where the module can be placed in the main switchboard and can be connected to loads in other parts of the house and can be controlled from a central location using a microcontroller. read our blog explaining the relay module working principle , which provides detailed information about relay modules, their working principles, and various aspects related to their construction and applications. Applications: Switching mains loads Home automation Battery backup High current load switching

16 Channel 12V Relay Module Board This is a 12V 16 Channel Relay Module with Light Coupling LM2576 Power Supply, Be able to control various appliances and other equipment with a large current. It can be controlled directly by a Microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM, MSP430, TTL logic). This is a 12V 16-Channel Relay interface board and each one of the individual relays needs 15-20mA Driver Current. The board features an indication LED for Relay output status and the standard interface that can be controlled directly by many widely used microcontrollers like Arduino etc. The 12V electromechanical relay module with an AC contact capacity of 250V which also include light coupling protection(optocoupler) for isolation of control circuitry. The plate load power module doesn’t need an external power supply. It supports all SCM drives. The LM2596S buck chip in this relay module shows a slight fever which is a normal phenomenon as relays, long working hours have normal fever characteristics. 4 relay load power to give leave some margin, should avoid high-power (about 2000W) and long working environment, there will be some impact on the life of the product. Read our blog explaining What are Relays - Working, Applications & Types Applications: Widely used for all MCU control Industrial sector PLC control Smart home control.

4-bit Magnitude Comparator IC - 74HC85 The 74HC Series 74HC85 are high-speed Si-gate CMOS devices and are pin-compatible with low-power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard no. 7A. The 74HC85 IC are 4-bit magnitude comparators that can be expanded to almost any length. They perform the comparison of two 4-bit binary, BCD, or other monotonic codes and present the three possible magnitude results at the outputs (QA>B, QA=B and QAB, IA=B and IAB = = LOW and IA=B = HIGH. For words greater than 4-bits, units can be cascaded by connecting outputs QA? and QA=B to the corresponding inputs of the significant comparator. Pinout: Pinout of 74HC85 IC

Octal D-Type Latch 3-State Output IC - 74HC373 The 74HC Series 74HC373 high-speed octal D-type latches utilize advanced silicon-gate CMOS technology. They possess the high noise immunity and low power consumption of standard CMOS integrated circuits, as well as the ability to drive 15 LS-TTL loads. Due to the large output drive capability and the 3-STATE feature, these devices are ideally suited for interfacing with bus lines in a bus-organized system. When the LATCH ENABLE input is HIGH, the Q outputs will follow the D inputs. When the LATCH ENABLE goes LOW, data at the D inputs will be retained at the outputs until LATCH ENABLE returns HIGH again. When a high logic level is applied to the OUTPUT CONTROL input, all outputs go to a high impedance state, regardless of what signals are present at the other inputs and the state of the storage elements. The 74HC logic family is speed, function, and pin-out compatible with the standard 74LS logic family. All inputs are protected from damage due to static discharge by internal diode clamps to VCC and the ground. Pinout: Pinout Of 74HC373 IC

Dual 2-to-4 line Decoder/Demultiplexer IC - 74HC139 The 74HC Series 74HC139 comprises two separate two-line-to-four-line decoders in a single package. The active-low enable input can be used as a data line in demultiplexing applications. All of these decoders/demultiplexers feature fully buffered inputs, presenting only one normalized load to its driving circuit. All inputs are clamped with high-performance Schottky diodes to suppress line-ringing and simplify system design. These Schottky-clamped circuits are designed to be used in high-performance memory-decoding or data-routing applications, requiring very short propagation delay times. In high-performance memory systems, these decoders can be used to minimize the effects of system decoding. When used with high-speed memories, the delay times of these decoders are usually less than the typical access time of the memory. This means that the effective system delay introduced by the decoder is negligible. Pinout: Pinout Of 74HC139 IC Symbol Pin Description 1E, 2E 1, 15 enable input (active LOW) 1A0, 1A1 2, 3 address input 1Y0, 1Y1, 1Y2, 1Y3 4, 5, 6, 7 output (active LOW) GND 8 ground (0 V) 2Y0, 2Y1, 2Y2, 2Y3 12, 11, 10, 9 output (active LOW) 2A0, 2A1 14, 13 address input VCC 16 positive supply voltage Also check 4 Bit D-Latch 74LS75 IC . It's a small, 16-pin integrated circuit (IC) chip that stores 4 bits of digital data. It's commonly used in digital circuits for data storage, timing control, and logic functions.

4 Channel 5V Relay Board This 4 channel 5V relay module is a low-pull, high-release relay module and features an energisation status indicator light; the release status LED is off. By default, this is a 5V relay module that uses JD-VCC for the relay power and is compliant with international safety standards, control and load areas isolation trenches. The 4 Channel Relay Module is a convenient board that can be used to control high voltage, high current loads such as motors, solenoid valves, lamps and AC loads. It is designed to interface with microcontrollers such as Arduino, PIC, etc. The relay terminal (COM, NO and NC) is being brought out with a screw terminal. It also comes with an LED to indicate the status. The 4 channel relay module can be used to control various appliances and other types of equipment with a large current. The maximum output of the relay module is AC250V 10A and DC5V 10A. Applications: Switching mains loads Home automation Battery backup High current load switching Also check the 8 Channel 5V 10A Relay Module . Also, check our relay switch collection.

Dual 4-bit Decade Ripple Counter IC - 74HC390 The 74HC Series 74HC390 IC is a 16 Pin Dual 4-bit Decade Ripple Counter IC having a 2V to 6V Operating Voltage range. It has been divided into four separately clocked sections. The counters have two divide-by-2 sections and two divide-by-5 sections. These sections share an asynchronous master reset input (nMR) and can be used in a BCD decade or bi-quinary configuration. If master reset inputs 1MR and 2MR are used to clear all 8 bits of the counter simultaneously, numerous counting configurations are possible within one package. Section clocks nCP0 and nCP1, allow ripple counter or frequency division applications of divide-by-2, 4, 5, 10, 20, 25, 50 or 100. The HIGH-to-LOW transition of the clock inputs nCP0 and nCP1 triggers each section. For BCD decade operation, the nQ0 output is connected to the nCP1 input of the divide-by-5 section. For bi-quinary decade operation, the nQ3 output is connected to the nCP0 input and nQ0 becomes the decade output. A HIGH on the nMR input overrides the clocks and sets the four outputs LOW. Inputs include clamp diodes. It enables the use of current-limiting resistors to interface inputs to voltages in excess of VCC. Pinout: Pinout Of 74HC390 IC Symbol Pin Description 1CP0, 2CP0 1, 15 Clock input divide-by-2 section (HIGH-to-LOW; edge-triggered) 1MR, 2MR 2, 14 Asynchronous master reset input (active HIGH) 1Q0, 1Q1, 1Q2, 1Q3 3, 5, 6, 7 Flip-flop outputs 1CP1, 2CP1 4, 12 Clock input divide-by-5 section (HIGH-to-LOW; edge-triggered) GND 8 Ground (0 V) 2Q0, 2Q1, 2Q2, 2Q3 13, 11, 10, 9 Flip-flop output VCC 16 Supply voltage

1.75mm Brown PLA Filament -1Kg The 1.75mm PLA filament for 3D printing is also called as Polylactic Acid. This PLA filament has a diameter of 1.75mm and weighs 1 Kg. The brown PLA filament is widely thought of as an aesthetic material best used for 3D Printing and prototyping. The brown PLA filament for 3D printing is a bioplastic compound, which means it is made from renewable natural resources. The 1.75mm brown PLA filaments are used as raw material for 3D printing parts due to its high strength and minimal warping. Features of 1.75mm Brown ABS Filament -1Kg Material PLA Filament (Polylactic Acid) Colour Brown Thickness 1.75mm Weight 1Kg Melting Point of ABS Filament Around 180°C Certification ISO 9001 and ROHS certified

14-Stage Binary Ripple Counter IC - 74HC4060 The 74HC Series 74HC4060 IC is a high-speed binary ripple-carry counter. These counters are implemented utilizing advanced silicon-gate CMOS technology to achieve speed performance similar to LS-TTL logic while retaining the low power and high noise immunity of CMOS. The 74HC4060 is a 14-stage counter, which the device increments on the falling edge (negative transition) of the input clock, and all their outputs are reset to a low level by applying a logical high on their reset input. The 74HC4060 also has two additional inputs to enable the easy connection of either an RC or crystal oscillator. This device is pin equivalent to the CD4060. All inputs are protected from damage due to static discharge by protection diodes to VCC and the ground. Pinout: Pinout Of 74HC4060 IC

74HC02 - Quad 2-Input NOR Gate IC The 74HC Series 74HC02 IC is a 14-Pin Quad 2-Input NOR Gate IC. NOR gates utilize advanced silicon-gate CMOS technology to achieve operating speeds similar to LS-TTL gates with the low power consumption of standard CMOS integrated circuits. All gates have buffered outputs, providing high noise immunity and the ability to drive 10 LS-TTL loads. The 74HC logic family is functionally as well as pin-out compatible with the standard 74LS logic family. All inputs are protected from damage due to static discharge by internal diode clamps to VCC and the ground. Pinout: Pinout Of 74HC02 IC Also check 74LS12 NAND Gate IC (Pack of 5) . Which is used for logical decision making and circuits involving conditional operations.

TM1637 4 Digit 7 Segment LED Display The TM1637 4 digit 7 Segment LED Display is a low-cost solution for displaying Arduino project output data. Though the data displayed is limited to numbers, users can also display characters such as A, B, C, and so on. The TM1637 Driver Chip controls the 4 digits on this 7 segment display. This TM1637 4 Bits Digital Tube LED Display Module can be controlled with just two wires. Also, thanks to the I2C Bus, you can control it with only two wires, freeing up more pins on your Microcontroller for other purposes. The module is a 12-foot clock with four common anode tube (0.36 inch) display module for driver IC TM1637, with only two signal lines allowing the MCU to control four 7-segment digital tubes. If you want to use this 4 digit 7 segment display module in your Arduino project, for that you will need few essential components like jumper wires breadboard batteries or power supply TM1637 4 Digit 7 Segment LED Display pin Diagram Pinout : 1 CLK Clock Input Pin 2 DIO Data Input/Output Pin 3 VCC 3.3V to 5V power supply Pin 4 GND Ground Pin Applications: Can use as a 4-digit display unit. Can use as a clock display DIY clock project. 4 digit display unit. Electrical/Electronic projects. The counter project using 7 segment display.

74238 IC The 74HC Series 74HC238 decodes three binary weighted address inputs (A0, A1, and A2) to eight mutually exclusive outputs (Y0 to Y7). The device features three enable inputs (E1 and E2 and E3). Every output will be LOW unless E1 and E2 are LOW and E3 is HIGH. This multiple enable function allows easy parallel expansion to a 1-of-32 (5 to 32 lines) decoder with just four '238 ICs and one inverter. The 74238 IC can be used as an eight-output demultiplexer by using one of the active LOW enable inputs as the data input and the remaining enable inputs as strobes. Inputs include clamp diodes. This enables the use of current-limiting resistors to interface inputs to voltages in excess of VCC. Pinout: Pinout of 74238 IC