MCP23S17 16-Bit I/O Expander SPI for expanding microcontroller GPIO pins Adds 16 programmable digital I/O via high-speed SPI (up to 10 MHz) Wide operating voltage range: 1.8V – 5.5V Per-pin interrupt support with interrupt-on-change detection Configurable internal pull-up resistors for input stability Ideal for Arduino, ESP32, STM32, Raspberry Pi, and...

IC Name: ULN2803A Package/Case: DIP-18

Easy to install, momentary push-button switch Ideal for basic On/Off applications Compact design (11mm depth) for tight spaces Normally open (NO) - activates on press, resets on release Yellow button for clear visibility and marking

This 5x5x7mm square head green LED indicator offers bright and efficient illumination for signal and status indication. Using a premium LED chip and corrosion-resistant gold-plated leads, it ensures stable performance, low heat generation, and extended durability. The square lens provides uniform light output and excellent visibility in electronic...

MCP3008-I/P 8-Channel 10-Bit ADC for precise analog signal conversion Supports 8 single-ended or 4 differential inputs in one compact IC SPI interface compatible with Arduino, Raspberry Pi, ESP32 & more Wide operating voltage range 2.7V – 5.5V for flexible integration Industrial temperature grade -40°C to +85°C Ideal for sensor interfacing, robotics,...

IC Name: ULN2804A Package/Case: DIP-18

Easy to install, momentary push-button switch Ideal for basic On/Off applications Compact design (11mm depth) for tight spaces Normally open (NO) - activates on press, resets on release White button for clear visibility and marking

This 5x5x7mm square head yellow LED indicator is ideal for warning signals, status indicators, and decorative lighting in electronic circuits. It features a high-efficiency LED chip with gold-plated leads for reliable electrical contact, stable brightness, and long-term performance. The square head design enhances light distribution and readability. 1 pcs...

74HCT245 Bus Transceiver for high-speed 8-bit bidirectional data communication Integrated 3-State outputs for safe shared bus operation TTL-compatible HCT CMOS logic for reliable microcontroller interfacing Direction (DIR) control for flexible data flow management Output Enable (OE) pin for complete bus isolation Ideal for memory systems, embedded...

IC Name: LM3914 Package/Case: DIP-19

Easy to install, momentary push-button switch Ideal for basic On/Off applications Compact design (11mm depth) for tight spaces Normally open (NO) - activates on press, resets on release Black button for clear visibility and marking

Plug Type: 5.5 x 2.1mm Pin: 3 Temperature: -30°C ~ +70°C. Rated load: up to DC 30V / 1.0A. Contact resistance: ≤0.03. Insulation resistance: ≥100 MΩ.

This Blue LED rectangular 2x5x7mm is a compact and energy-efficient light source suitable for indicator and signal applications. Its focused beam angle makes it ideal for PCB indicators, DIY electronics, and embedded projects.

74HCT125 Quad Buffer IC with four independent non-inverting buffers Integrated 3-State outputs (High / Low / High-Z) for shared bus systems TTL-compatible HCT CMOS logic for easy microcontroller interfacing Individual Output Enable control for each channel Operates at standard 5V logic systems (4.5V – 5.5V) Ideal for signal buffering, isolation, and...

IC Name: CD4073 Package/Case: DIP-14

Size: 5mm Color: Green Head Shape: Round Lens Appearance: Transparent

The 277 rectangular red LED indicator is a compact through-hole LED designed for clear visual indication in electronic circuits. Its slim 2 x 7 x 7 mm rectangular body allows easy integration into tight PCB layouts while delivering stable and uniform red illumination. This LED is suitable for both educational and professional electronics applications.

TL082 Dual Op-Amp with high input impedance JFET inputs Integrated two independent operational amplifiers in one IC Wide supply range ±5V to ±18V (10–36V total) Fast slew rate (~13 V/µs) and ~3 MHz bandwidth Low noise performance for audio and signal processing Ideal for filters, amplifiers, sensor conditioning & analog circuits

IC Name: MT8870DE Package/Case: DIP-18

Very low supply current Photo-detector and preamplifier in one package Internal filter for PCM frequency Improved shielding against EMI Supply voltage: 2.5 V to 5.5 V Improved immunity against ambient light

The 277 rectangular green LED indicator provides bright and efficient illumination for status and signal indication. Designed with a compact rectangular body, it fits neatly into PCB designs while offering stable light output and low energy consumption. Ideal for control panels, learning kits, and embedded systems.

ULN2003A 7-Channel Darlington Driver IC for high-current load control Drives relays, stepper motors, solenoids, and LED arrays Supports up to 50V output voltage and 500mA per channel Built-in flyback diodes for inductive load protection TTL/CMOS compatible inputs for easy MCU interfacing Ideal for robotics, automation, and embedded systems

IC Name: TDA2030A Package/Case: DIP-3

BC547 NPN DIP Transistor

The 277 rectangular yellow LED indicator is well suited for warning, alert, and signal applications. Its narrow rectangular form factor enables easy installation on PCBs while providing clear and visible yellow light. Built for durability and consistent output, it is suitable for long-term use.

ULN2803A 8-Channel Darlington Driver IC for high-current load control Drives relays, stepper motors, solenoids, and LED arrays Supports up to 50V output voltage and 500mA per channel Built-in flyback diodes for safe inductive load protection TTL/CMOS compatible inputs for direct microcontroller interfacing Ideal for robotics, automation, and industrial...

IC Name: UC3843 Package/Case: DIP-8