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Showing 1051–1065 of 1163 resultsSorted by popularity
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Integrated Circuits (ICs)
74197 Asynchronous 4-Bit Binary Counter IC (DIP)
– 4-bit asynchronous (ripple) binary counter, counts 0 to 15
– TTL logic family, 14-pin DIP package
– High-speed, low-power operation with typical 25 ns propagation delay
– Clear (reset) and preset inputs for flexible control
– Easy cascading for multi-stage counting and frequency division
– Ideal for digital clocks, event counters, timers and sequencingSKU: n/a -
Integrated Circuits (ICs)
74132 Quad 2-Input NAND Gate Schmitt Trigger IC (DIP)
– Quad 2-input NAND gates with Schmitt-trigger inputs for clean switching
– TTL compatible, operates at 4.75V to 5.25V
– High noise immunity and input hysteresis for stable transitions
– Typical propagation delay ~22 ns, fan-out of 10 LS-TTL loads
– Low power consumption in a standard 14-pin DIP package
– Ideal for debouncing, waveform shaping, oscillators and timing circuitsSKU: n/a -
Integrated Circuits (ICs)
7442 BCD to Decimal Decoder IC (DIP)
– 4 binary inputs (A, B, C, D) decode BCD to one-of-ten outputs (0–9).
– Ten active-low outputs; each output goes LOW for its corresponding BCD code.
– TTL-compatible logic levels for direct microcontroller and logic interfacing.
– DIP-16 package for easy breadboard and PCB integration.
– Fast propagation delay and low power consumption for reliable digital operation.
– Ideal for 7-segment displays, LED indicators, counters, and prototyping.SKU: n/a -
Integrated Circuits (ICs)
7413 Dual 4-Input NAND Schmitt Trigger IC (DIP)
– Dual 4-input NAND gates with Schmitt-trigger inputs for enhanced noise immunity
– TTL compatible logic levels for easy interfacing with 5V systems
– Fast switching and low power consumption for high-performance designs
– Standard DIP-14 package ideal for breadboards and prototype PCBs
– Hysteresis on inputs for clean transitions and reliable pulse detection
– Suitable for signal conditioning, waveform shaping, oscillators, and embedded interfacesSKU: n/a -
Integrated Circuits (ICs)
7405 Hex Inverter Open Collector IC (DIP)
– TTL hex inverter containing six independent NOT gates
– Open-collector outputs for sinking current and wired-AND use
– Ideal for driving LEDs, relays, and level shifting with pull-ups
– Standard DIP-14 through-hole package, breadboard friendly
– Operates at 5V TTL logic levels; compatible with microcontrollers
– Low power consumption, fast switching (~15 ns typical)SKU: n/a -
Beginner STEM Kits
T-M418 Electric Heating Cutting Machine DIY Learning Kit
– DIY electric hot wire cutting kit for hands-on STEM learning
– Demonstrates resistance heating and energy conversion
– Battery powered (3V–6V DC) with low-voltage classroom safety
– Intermediate-level assembly, 30–45 minutes build time
– Ideal for cutting foam and thermoplastic models with precision
– Includes wooden frame, nichrome heating wire, switch, connectors and manualSKU: n/a -
Beginner STEM Kits
T-M390 Solar Fan DIY Learning Kit
– Hands-on solar fan assembly kit for beginners
– Demonstrates solar energy conversion and DC motor principles
– Functional solar-powered fan with no batteries required
– Durable wooden base with plastic fan blade and metal shaft
– Ideal for STEM lessons, science fairs, and classroom demos
– Quick 20–30 minute assembly time, safe low-voltage operationSKU: n/a -
Beginner STEM Kits
T-M386 Food Delivery Robot DIY Learning Kit
– Build a realistic motorized food delivery robot modeled on service robots used in restaurants and hotels.
– STEM-focused kit teaching motor control, automation, and mechanical balance.
– DIY hands-on assembly with wood and plastic components, screws, and connectors.
– Battery operated (3V–6V) for safe classroom use; 45–60 minute assembly time.
– Includes chassis, DC motors with wheels, battery holder, wiring, and instruction manual.
– Ideal for STEM classrooms, science fairs, and beginner to intermediate learners.SKU: n/a -
Beginner STEM Kits
T-M375 Electric Motor DIY Learning Kit
– Build a real working electric motor to learn how electric energy converts to motion
– Hands-on assembly ideal for STEM education, classroom experiments, and science fairs
– Teaches magnetic field interaction, coils, and current-driven rotation
– Beginner to intermediate skill level with 25–40 minutes assembly time
– Durable wooden and metal components with battery-powered DC operation (1.5V–3V)
– Includes coil set, magnet assembly, rotor, connectors, switch, and instruction manualSKU: n/a -
Beginner STEM Kits
T-M340 Lifting Gateway Door DIY Learning Kit
– Motorized lifting gate simulation for hands-on automation learning
– Demonstrates rotational-to-linear motion using pulleys and levers
– Includes DC motor, switch, wiring, battery holder and assembly parts
– STEM-focused DIY kit ideal for classrooms, science fairs, and hobbyists
– Durable wood and plastic components built for repeated educational use
– Beginner to intermediate skill level; assembly time approximately 30–45 minutesSKU: n/a -
Beginner STEM Kits
T-M338 Steamboat DIY Learning Kit
– Hands-on steamboat assembly to learn steam propulsion and thermodynamics
– Demonstrates conversion of heat energy into motion using a steam-powered model
– Ideal for STEM education, classroom demonstrations, and science clubs
– Includes boiler/heating chamber, propulsion tubing, burner, and assembly accessories
– Safe design for students and beginners with adult supervision recommended
– Assembly time: approximately 30–45 minutes; skill level: intermediateSKU: n/a -
Beginner STEM Kits
T-M337 Light-Controlled Street Light DIY Learning Kit
– Demonstrates automatic lighting using an LDR photoresistor
– LED streetlight automatically turns ON in the dark and OFF in bright light
– Hands-on DIY assembly ideal for beginners and classroom use
– Teaches sensor-based control, circuit logic, and basic automation
– Safe low-voltage design (3-5V DC) with wooden or acrylic base
– Includes all components: sensor, LED module, battery holder, switch and mounting accessoriesSKU: n/a -
Beginner STEM Kits
T-M306 Microscope DIY Learning Kit
– Hands-on kit to build a functional optical microscope
– Teaches magnification, light reflection, and lens focusing
– Includes LED illuminated base and lens set
– Wooden or acrylic frame with durable components
– Perfect for STEM classrooms, science fairs, and projects
– Beginner to intermediate skill level, 45 to 75 minutes assemblySKU: n/a -
Beginner STEM Kits
T-M302 Walkie-Talkie Intercom DIY Learning Kit
– Build a working two-way walkie-talkie intercom with included components
– Learn wireless communication, sound modulation, and radio frequency basics
– Ideal for STEM classrooms, electronics clubs, and science fairs
– Battery-powered and portable for safe classroom or home use
– Intermediate skill level; assembly time 60–90 minutes
– Includes circuit board, antenna, battery holder, wires, mounting frame, hardware, and manualSKU: n/a -
Beginner STEM Kits
T-M293 Alternation of Day and Night DIY Learning Kit
– Hands-on DIY kit to demonstrate how Earth’s rotation causes day and night
– Motorized rotating Earth globe with LED sun source
– Easy assembly with pre-cut wooden or acrylic parts
– Battery powered for safe, portable classroom demonstrations
– Ideal for STEM lessons, science fairs, and hands-on learning
– Beginner to intermediate skill level; assembly time 45–60 minutesSKU: n/a
