Volt Meter
Ultra-compact 3-wire digital LED panel voltmeter measuring DC voltages from 0V to 100V with high accuracy.
Every successful electronic prototype relies on solid fundamental hardware. Find dual H-Bridge motor drivers (L298N, L293D), PWM micro servos (SG90, MG996R), multi-colored 830-point solderless breadboards, regulated power supply buck converters, and high-quality jumper wire assortments.
Ultra-compact 3-wire digital LED panel voltmeter measuring DC voltages from 0V to 100V with high accuracy.
High-efficiency MT3608 DC-DC step-up voltage boost converter providing up to 28V adjustable output from 2V to 24V inputs.
High-performance omnidirectional digital MEMS microphone with I2S output for voice recognition and acoustic telemetry.
Compact 3.2W Class-D digital audio amplifier module with direct I2S interface for high-fidelity audio playback from microcontrollers.
−20%Comprehensive assortment of 1/4W 1% metal film precision resistors covering popular values from 10Ω to 1MΩ.
40-pin multicolored peelable 20cm Male-to-Female Dupont ribbon cables for connecting sensors and modules directly to headers.
40-pin multicolored peelable 20cm Male-to-Male Dupont ribbon cables with molded square pins for breadboard prototyping.
Pack of 4 durable TT dual-shaft 1:48 reduction gear DC motors engineered for mobile robot car propulsion and wheel encoders.
Heavy-duty shielded USB data and programming cable with pure copper conductors for reliable firmware flashing and serial debugging.
Compact 1A constant-current / constant-voltage Li-ion battery charging module with built-in battery management and protection IC.
High-density 3.7V 18650 cylindrical lithium-ion battery cell with stable discharge curve for robotics and portable electronics.
Durable molded ABS battery compartment with high-tension spring contacts and color-coded lead wires for dual 18650 cells.
Compact high-cycle on/off slide switch designed for breadboard prototyping, robotics power isolation, and project enclosures.
Full-size 830-point solderless prototyping breadboard with colored power distribution buses and peel-and-stick adhesive backing.
Universal single-sided copper perforated prototyping board (Zero PCB) with pre-tinned pads on standard 2.54mm grid.
Ultra-bright 5mm 4-pin RGB LED capable of producing millions of colors via PWM control for optical indicators and light displays.
High-contrast 0.96 inch 128x64 self-illuminating OLED graphic display with convenient 4-pin I2C communication interface.
Precision NE555 timer pulse and square wave generator module with independent frequency and duty cycle trimmer potentiometers.
−20%Precision 10K linear rotary potentiometer with knurled shaft and solder lugs for volume control and analog voltage division.
Tactile momentary push button switch with crisp tactile feedback and snap-on colored caps for user inputs and reset circuits.