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74HC131 Decoder/Demultiplexer IC
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Showing 289–336 of 1337 results
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Diodes, LED Lights & Bulbs
5mm LED DIFFUSED LED LIGHT EMITTING DIODE
- Type: 5mm Diffuse Led
- Colors: Red, Green, Yellow, Blue and Ultra-bright White
- Pot diameter: 5mm
- Shell Material: Epoxy
- Typical working voltage: 1.9 to 2 volts
- Typical current: 20mA
- Wavelength: 620 to 625nm
- Luminous intensity: 600 to 800mcd
- The angle of view: 45
- Number of pins: 2
SKU: n/a -
Alphanumeric Displays, Display
5V 1604 LCD 16×4 Character LCD Screen
16X4 CHARACTER LCD 1604 Blue LCD DISPLAY is a dot-matrix liquid crystal display module specially used for displaying letters, numbers, symbols, etc. 16?4 LCD Display can display 4 lines with 16 characters in each line. Divided into 4-bit and 8-bit data transmission methods. 1604 Blue Character LCD provides rich command settings: clear display; cursor return to origin; display on/o; cursor on/o; display character ashes; cursor shift; display shift, etc.
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Batteries & Chargers
5V 2A Power Supply AC/DC Adapter
- Simple to use, just plug in, charge up and play.
- Short circuit, over-voltage and over-current protection.
- Incredibly low fault rates this power supply is a regulated center positive power supply.
- High-quality graded AC to DC power adapter.
- Light in weight and with heavy-duty cable-wire.
- Compatible with Dth, STB, CCTV, toys, broadband, laptop, DVD, tablet, TV tuner card, cordless phones, LCD monitor, scanners, cell phones, printers
SKU: n/a -
Batteries & Chargers
5V 4A Power Supply Adapter 5V 4000mA
Need a great deal of 5V power? This exchanging supply gives a tidy controlled 5V yield at up to 4 Amps (4000mA). 110 or 240 information, so it works in any country. The attachments are “US 2-prong” style so you may require a fitting connector.
This cable ends with a ‘standard’ 5.5mm OD, 2.1mm ID positive tip connector and with match with our 2.1mm electrical string, female terminal square connector, breadboard-accommodating DC jack, and so forth
This connector is incredible for use with RGB LED Matrices, NeoPixels, RGB LED pixels or addressable LED strip, and so on Its not useful for controlling an Arduino through the DC jack as it needs at any rate 7.5V – look at our 9V connector
SKU: n/a -
Adapters/Power Supply Modules
5V 6A 6000mAh Adapter With Power Cord
- Input: 100 – 240V AC 50/60Hz
- Output: DC 5V 6A
- Max Wattage: 30W
- DC Jack Converter: 5.5 x 2.5mm (Compatible with 5.5×2.1mm DC Port)
- DC Cable Length: about 110cm
- AC Power Cord: about 110cm with US Plug
- Pole of DC Plug: Center Positive(+), Outside Negative (-)
- Condition: Brand New 100%
SKU: n/a -
Module, Relay Modules, Relay Modules, Relays & Interface Module
5v 8 Channel Relay Module Relay Board Relay Arduino Relay Module
Module, Relay Modules, Relay Modules, Relays & Interface Module5v 8 Channel Relay Module Relay Board Relay Arduino Relay Module
- Imported high-quality double-sided compact PCB.
- Opto-isolated inputs mean your digital electronics are safe and noise-free.
- This relay module is 5V active low.
- It is an 8-channel relay interface board, which can controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM, PLC, etc.
- It is also able to control various appliances and other equipment with a large current.
- 5v Relay output maximum contact is AC250V 10A and DC30V 10A.
- The standard interface can be directly connected with microcontrollers.
- Red working status indicator lights are conducive to safe use.
- Widely used for all MCU control, industrial sector, PLC control, and smart home control.
SKU: MOD554 -
Batteries & Chargers, Charging Modules
5V USB Fast Charging Module
- Operating Voltage: 12 ~ 24VDC
- Supported Fast Charging Protocol: Huawei fast charge protocol FCP with SCP, Samsung fast charge protocol AFC, Spreadtrum Quick Charge Agreement SFCP
- Output Power: 36 Watt
- Output voltage wired compensation
- Conversion efficiency: 90%~97%
- Supports multiple fast-charging protocols
- Input overvoltage, overcurrent, Undervoltage protection
- Output overcurrent, short circuit protection
- Module over-temperature protection
SKU: n/a -
Accessories
5X Magnification Magnifying Glass with Illuminant
- The LED have long life (more than ten year)
- It’s easy to use and can be used as a torch at nignt
- It deeps wording for more than 100 hours with only double batteries (CR2016) placed in it or one (CR2032)
- Advertisements can be printed on the two sides
- The special white light makes it possible for the object to show it’s orginal color
SKU: n/a -
Accessories
6 inch Tie Cable – Single Piece
- Cable Zip Ties Contains: Tie wraps 6 INCH
- Pure new PA66 nylon material, cable tie is made of approved UL66 nylon new High tensile strength and A high degree of flexibility does not break easily material, safe and environmentally friendly.
- length: 6Inch, Max tensile strength: 40 LBS tensile strength is determined by width and thickness. Our ties are widest, compared to most ties on the market Durable Nylon Ties and heat resistance of the heavy-duty cable tie tape package, which can ensure that they are exposed to high temperature for a long time, suitable for indoor and outdoor use, safe self-locking buckle can be easily locked in place, cable tie tape conforms to RoHS standard/UL certification UL 94 V2.Same size, but suitable
- In daily life, multi-purpose cable zip ties are so powerful that you can tie them together to wrap materials, repair plant branches, and repair garden fences. In offices and studios, they can be used to organize wires, hang LED lights and banners. You can even do some DIY ideas: make butterflies or fish for children; Show off your stylish tie wraps design.
SKU: n/a -
Crystals and Oscillators
6 MHz Crystal Oscillator
6 MHz Crystal Oscillator is an electronic oscillator circuit that uses the mechanical resonance of a vibrating crystal of piezoelectric material to create an electrical signal with a precise frequency. This frequency is often used to keep track of time, as in quartz wristwatches, to provide a stable clock signal for digital integrated circuits, and to stabilize frequencies for radio transmitters and receivers. The most common type of piezoelectric resonator used is the quartz crystal, so oscillator circuits incorporating them became known as crystal oscillators, but other piezoelectric materials including polycrystalline ceramics are used in similar circuits.
SKU: n/a -
Crystals and Oscillators
6 MHz Crystal Oscillator
A crystal oscillator is an electronic oscillator circuit that uses the mechanical resonance of a vibrating crystal of piezoelectric material to create an electrical signal with a precise frequency. This frequency is often used to keep track of time, as in quartz wristwatches, to provide a stable clock signal for digital integrated circuits, and to stabilize frequencies for radio transmitters and receivers. The most common type of piezoelectric resonator used is the quartz crystal, so oscillator circuits incorporating them became known as crystal oscillators, but other piezoelectric materials including polycrystalline ceramics are used in similar circuits.
SKU: n/a -
Resistors
6.8 Ohm 1/4Watt Resistor (5% tolerance)
Resistors are electronic components which have a specific, never-changing electrical resistance. The resistor’s resistance limits the flow of electrons through a circuit. They are passive components, meaning they only consume power (and can’t generate it). Resistors are usually added to circuits where they complement active components like op-amps, microcontrollers, and other integrated circuits. Commonly resistors are used to limit current, divide voltages, and pull-up I/O lines.
SKU: n/a -
Resistors
6.8K Ohm Resistor 1/4 Watt (5% tolerance)
Resistors are electronic components which have a specific, never-changing electrical resistance. The resistors resistance limits the flow of electrons through a circuit. They are passive components, meaning they only consume power (and cant generate it). Resistors are usually added to circuits where they complement active components like op-amps, microcontrollers, and other integrated circuits. Commonly resistors are used to limit current, divide voltages, and pull-up I/O lines.
SKU: n/a -
Resistors
68 Ohm 1/4Watt Resistor (5% tolerance)
Resistors are electronic components which have a specific, never-changing electrical resistance. The resistor’s resistance limits the flow of electrons through a circuit. They are passive components, meaning they only consume power (and can’t generate it). Resistors are usually added to circuits where they complement active components like op-amps, microcontrollers, and other integrated circuits. Commonly resistors are used to limit current, divide voltages, and pull-up I/O lines.
SKU: n/a -
Resistors
680 OhmResistor 1/4 Watt (5% tolerance)
Resistors are electronic components which have a specific, never-changing electrical resistance. The resistor’s resistance limits the flow of electrons through a circuit. They are passive components, meaning they only consume power (and can’t generate it). Resistors are usually added to circuits where they complement active components like op-amps, microcontrollers, and other integrated circuits. Commonly resistors are used to limit current, divide voltages, and pull-up I/O lines.
SKU: n/a -
Resistors
680K Ohm Resistor 1/4 Watt (5% tolerance)
Resistors are electronic components which have a specific, never-changing electrical resistance. The resistors resistance limits the flow of electrons through a circuit. They are passive components, meaning they only consume power (and cant generate it). Resistors are usually added to circuits where they complement active components like op-amps, microcontrollers, and other integrated circuits. Commonly resistors are used to limit current, divide voltages, and pull-up I/O lines.
SKU: n/a -
Resistors
68K Ohm 1/4 Watt Resistor (5% tolerance)
Resistors are electronic components which have a specific, never-changing electrical resistance. The resistors resistance limits the flow of electrons through a circuit. They are passive components, meaning they only consume power (and cant generate it). Resistors are usually added to circuits where they complement active components like op-amps, microcontrollers, and other integrated circuits. Commonly resistors are used to limit current, divide voltages, and pull-up I/O lines.
SKU: n/a -
Diodes
6A10 Rectifier Diode
- Case: R-6
- Case Material: Molded Plastic. UL Flammability Classification Rating 94V-0 Moisture Sensitivity: Level 1 per J-STD-020C
- Terminals: Finish Tin. Axial Leads, Solderable per MILSTD-202, Method 208
- Polarity: Color Band Indicates Cathode
- Approximate Weight: 2.1 grams
SKU: n/a -
Arms/Grippers/Bipped, Robotics
6DOF Biped Robot
his 6DOF Biped robot is a professional small humanoid robot consist of full aluminium parts, special non-ferrous oxidation process on surface, smooth edges not hurting hands, the metal is unbleached, beautiful and durable, prevent decoloring for long time using.
The robot you can mount six micro servos, each foot is 3DOF, the robot can both walk forward or backward and crouch, stand up, turn, even can do a lot of forward roll and backward roll.The kit includes six TowerPro MG995 servos.
SKU: ROB608 -
Arms/Grippers/Bipped, Robotics
6Legs Robotic Kit
This Robot is made of 18 SG90 Servo Motors
To make this robot move, we just need the control software and the following components:
1.6 Legs 18 DOF Robot Black Spider Robot 18pcs SG90 Servo Motor
2.32 Channels Servo Motor Controller Robot Contorller Servo Driver
3.7.4V power supplySKU: ROB640 -
Accessories, Incubator
6pcs 20mm Mist Maker Fogger Ceramics Discs
- Frequency: 1.70MHz with High Output Atomization amount.
- Ceramic disc diameter is 20mm (not include rubber)
- High temperature calcined ceramic , Anti-aging, anti-corrosion, durable.
- Easy to change and install, mainly used in the household humidifier.
- Package includes: 6x 20mm Ceramics Discs ,1x Replacement Key
SKU: n/a -
Batteries & Chargers, Battery Management System (BMS)
6S 22.2V 12A BMS for 18650 Li-ion Batteries | Protection Board for 6-Cell Lithium Packs
Batteries & Chargers, Battery Management System (BMS)6S 22.2V 12A BMS for 18650 Li-ion Batteries | Protection Board for 6-Cell Lithium Packs
- Number of Cells: 6
- Voltage: 22.2V
- Current: 12A
- Overcharge Voltage: 4.25-4.35V
- Over-Discharge Voltage: 2.5V
- Working Temperature: -40°C to +50°C
- Size: 53.5343.0mm
SKU: n/a -
Gear Motor, Motors & Drivers
6V DC Micro Gear Motor 56 RPM Gearhead Motor
Specifications:
Model: GM12-N20
Material: Alloy Gear
Rated Voltage: DC 6.0V
No Load
Speed: 56RPM
Current: 50mA
With Maximum Efficiency
Speed: 40RPM
Current: 150mA .
Torque: 73.5 mN.m (26.46 oz)
Stall
Torque: 6.6 lbs.cm
Current: 0.6A
Size: 0.394 x 0.433 x 1.378 in.
SKU: n/a -
Accessories, Cases & Enclosure
7 Cell Power Bank Case
- Output voltage: 5V 2.1A
- Color: blue green black
- Power display: LED digital tube display, non-working state intelligent automatic shutdown
- Charger input: Type-C fast charge mobile phone special charging port
- We will give away a Type-C charger cable
- It needs a flat 18650 (unprotect) 65mm long, diameter less than 18.2mm
- Can not use the tip 18650 battery,
- If using the old battery, please test the voltage
- More than 3.5V and an internal resistance of less than 80, can not use the flashlight 18650 battery
- Size: 156*78*22mm
SKU: n/a -
Sensors, Soil
7 in 1 Soil Integrated Sensor EC PH NPK Moisture Temperature Meter
- High precision agriculture sensors, rapid response, good exchange ability
- Good tightness, corrosion resistance, the soil tester can be used in the soil for a long time.
- Flame retardant epoxy resin curing, completely waterproof, the soil tester can withstand strong external impact.
- Steel needles are made of high quality materials that can with stand long-term electrolysis , acid and alkali corrosion in soil.
SKU: n/a -
7 Segments & Dot Matrix, Display
7 Segment Common Anode Display
- Reverse Voltage(Vr): 5 V
- Reverse Leakage Current (Ir): 50A
- Forward Current (If): 25mA
- Peak Forward Current (Ifp): 100 mA
- Power Dissipation (P): 100 mW per Segment
- Operating Temperature (Topr): -40C to +80C
- Storage Temperature (Ttsg): -40C to +85C
- Lead Soldering Temperature: 260C
- Height: 70mm
- Width: 48mm
SKU: n/a -
7 Segments & Dot Matrix, Display
7-Segment 0.75 inch
- Product Name: LED Digital Display Tube
- Type: Common Cathode
- Model: 50AH
- Common Cathode : 3-8
- Digital Display: 1 Digit
- Digital Number: 1 Bit Segment
- Emitted Color: Red
- Pin Number: 10
- Continuous Forward Current: 20mA
- Average Forward Voltage: 2V
- Power Consumption : 3mW
- Luminous Intensity: mcd
- Number Height : 0.5 inch
- Panel Size : 19 x 12. x 8mm / 0.5 x 0.5 x 0.31 inch (L*W*H)
- Total Size : 19 x 12. x mm / 0.5 x 0.5 x 0.55 inch (L*W*H)
- Material : Plastic, Metal
- Color : Black, White
SKU: n/a -
Batteries & Chargers
7.4V 800mAh Li-Ion Battery
This is the lowest cost of Lithium Polymer (LiPo) rechargeable battery that we have ever carried, so that it is affordable for students to use in their projects instead of using the disposable 9V battery that cannot be recharged. It is suitable for low power consumption usage such as circuit board, sensors and micro size DC motors.
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ICs
74139 Demultiplexer IC
The 74LS139 is a high speed Dual 1-of-4 Decoder/De-multiplexer. The device has two independent decoders, each accepting two inputs and providing four mutually exclusive active LOW Outputs. Each decoder has an active LOW Enable input which can be used as a data input for a 4-output demultiplexer. Each half of the LS139 can be used as a function generator providing all four minterms of two variables. The LS139 is fabricated with the Schottky barrier diode process for high speed and is completely compatible with all Motorola TTL families.
SKU: n/a -
ICs
74244 Buffer & Line Driver IC
The SN74HC244N is an Octal Buffer and Line Driver IC, designed specifically to improve both the performance and density of 3-state memory address drivers, clock drivers and bus-oriented receivers and transmitters. This device organized as two 4-bit buffers/drivers with separate output-enable (OE)/inputs. When OE/ is low, the device passes non-inverted data from the A inputs to the Y outputs. When OE/ is high, the outputs are in the high-impedance state.
SKU: n/a -
ICs
74540 Inverting Buffer IC CD4050
74HC540 is a 20 Pin Octal 3-state Inverting Buffer IC having 2V to 6V Operating Voltage range with 6mA output current. The 3-STATE buffers utilize advanced silicon-gate CMOS technology. They possess high drive current outputs which enable high speed operation even when driving large bus capacitances.
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ICs
74640 IC
This Tri-state bi-directional transceiver utilize advanced silicon-gate CMOS technology and is intended for two-way asynchronous communication between data buses. They have high drive current outputs which enable high speed operation even when driving large bus capacitances. The circuit possess the low power consumption of CMOS circuitry, yet have speeds comparable to low power Schottky TTL circuits.
SKU: n/a -
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ICs
74HC164 8-Bit Parallel-Out Shift Register
Features/Specs:
Wide Supply Voltage Range from 2.0V to 6.0V
Sinks or Sources 4mA at VCC = 4.5V
CMOS Low Power Consumption
Schmitt Trigger Action at all Inputs
ESD Protection Exceeds JESD 22v 200-V Machine Model (A115)
2000-V Human Body Model (A114)
Exceeds 1000-V Charged Device Model (C101)
Range of Package Options SO-14 and TSSOP-14
Totally Lead-Free & Fully RoHS Compliant
Halogen and Antimony Free. Green Device
SKU: n/a -
Arduino & IOT Boards, Module
74HC4067 CD74HC4067 Precise Module Digital Multiplexer MUX Breakout Board
Arduino & IOT Boards, Module74HC4067 CD74HC4067 Precise Module Digital Multiplexer MUX Breakout Board
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16-channel analog/digital multiplexer/demultiplexer
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Routes one signal to/from any of 16 I/O pins
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Supports both analog and digital signals (bidirectional)
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Operates over a wide voltage range:
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HC: 2V to 6V
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HCT: 4.5V to 5.5V (TTL compatible)
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Low ON-resistance (~60–70Ω depending on voltage)
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Fast switching speed (typical ~6ns)
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Break-before-make switching to prevent shorting
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Minimal leakage current (±0.8 µA typical)
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Very low standby power consumption (~8 µA typical)
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Built-in Enable pin (active LOW) for full shutdown
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Channel selection via 4 digital address pins (S0–S3)
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Works reliably in wide temperature range (–55°C to +125°C)
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Compatible with microcontrollers like Arduino, ESP32, and Raspberry Pi
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Ideal for expanding ADC input, signal routing, or sensor switching in compact circuits
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