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12075 DC 5V active buzzer with a built-in oscillator: just apply 5V for a beep, ideal for alarms, timers and Arduino alerts.
IRLZ44N logic-level N-channel power MOSFET that can be switched directly from 5V microcontroller pins.
Electrical insulation tape for wrapping wire joints, insulating connections and tidying cables in electrical and electronics work.
Mercury tilt switch that opens or closes its circuit when tilted, for tilt alarms and orientation sensing.
24V DC SPDT 5-pin power relay for switching loads in control panels, automation and vehicle circuits.
5V DC SPDT 5-pin power relay that lets a low-voltage circuit switch a separate load circuit.
4-pin KF301 PCB screw terminal block with 5.08 mm pitch, for secure, tool-tightened wire connections to circuit boards.
Ultra-thin 0.1 mm enamelled copper wire for PCB track repairs, jumper fixes and fine coil winding.
Compact 650 nm, 5mW red laser dot module for alignment, laser tripwires and robotics projects. Never point at eyes.
12V DC SPDT 5-pin power relay that lets a low-voltage circuit switch a separate load circuit.
7-segment LED display for showing numbers 0-9 in clocks, counters, timers and Arduino projects.
IRFZ44N N-channel power MOSFET (TO-220) for robust, high-current switching of motors, LED strips and inverters.
13.56 MHz Mifare One RFID key fob, durable and easy to carry, for door access and identification with RC522 readers.
100Ω, 5W cement power resistor with flame-retardant coating, for power supplies, amplifiers and dummy loads.
Passive buzzer that plays different tones and simple melodies when driven by a PWM signal from Arduino or ESP32.
Screw and nut set for assembling robot chassis, mounting motors, wheels and control boards.
1kΩ single rotary potentiometer with 3 pins and a 15 mm shaft, for adjustable control in Arduino and electronics projects.
SH41F Hall effect sensor for contactless detection of magnets in position, rotation, proximity and door-sensing applications.
2N7000 small-signal N-channel enhancement MOSFET (TO-92) for low-current switching and logic level shifting.
74HC125D surface-mount quad buffer/line driver with 3-state outputs for compact PCB designs.
9V battery clip with a 5.5 x 2.1 mm DC barrel plug, the quick way to run an Arduino or small device from a 9V battery.
14.5 x 6.5 cm perf board with a grid of pre-drilled holes for soldering components into permanent, reliable prototype circuits.
74HC14 hex Schmitt-trigger inverter for cleaning up noisy signals, debouncing switches and simple oscillators.
SYB-170 mini solderless breadboard (170 tie points) for small circuits, sensor tests and compact kits.
TIP31C NPN power transistor (3A, 100V, 40W) for switching and amplifying higher loads such as motors, relays and LED strips.
Fixed mounting bracket sized for the HC-SR04 ultrasonic sensor, with pre-drilled holes for neat, stable mounting on robot chassis and enclosures.
MPSA06 NPN transistor in a TO-92 package for general-purpose amplification and switching.
74HC05 hex inverter chip (74HC family) for inverting signals, logic circuits and digital electronics practicals.
74HC125 quad buffer/line driver with 3-state outputs for buffering signals and sharing data buses.
AMS1117 3.3V regulator module that converts 4.5-12V DC into a stable 3.3V for ESP8266, ESP32 and sensors.
Flexible 3-core cable with 1.5 mm² conductors in a PVC sheath, sold per metre, for appliances, extension leads and power wiring.
6-pin, 3-position rocker switch rated 6A 250V, for direction control and power switching in appliances and projects.
TIP31 NPN power transistor (TO-220) for switching and amplifying higher-current loads like motors and relays.
Compact 400-point solderless breadboard (83 x 55 mm) for building and testing circuits with Arduino, ESP32 and sensors.
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