Components

New Japan Radio (Nisshinbo) low-noise (0.44µVrms), high-slew-rate (6V/µs) dual audio operational amplifier optimized for preamplifiers and audio active filters.

New Japan Radio high-performance dual operational amplifier pin-compatible with MC1458/LM358, famous for its smooth clipping tone in legendary audio circuits like the Ibanez Tube Screamer overdrive pedal.

Analog Devices / PMI industry-standard precision bipolar operational amplifier featuring ultra-low voltage noise (3.0nV/√Hz), 10µV input offset voltage, and 8.0MHz gain bandwidth product for precision audio and instrumentation.

Texas Instruments / Burr-Brown SoundPlus FET-input dual audio op-amp with ultra-low 0.00008% THD+N, 8nV/√Hz noise, and 5pA input bias current for audiophile gear.

OmniVision 1/4" 2-megapixel UXGA (1600x1200) CMOS image sensor featuring an integrated hardware JPEG compression engine and parallel DVP interface, universally bundled with ESP32-CAM boards.

GlobalTop / Adafruit 99-channel MTK3333 GNSS receiver module featuring an integrated ceramic patch antenna, simultaneous GPS/GLONASS tracking, NMEA-0183 output over I2C (0x10) or UART.

Diodes Incorporated 3W+3W filterless dual-channel stereo Class-D audio power amplifier IC delivering 3W into 4-ohm speakers at 5V supply with 90% efficiency.

Sharp Microelectronics / Lite-On 4-pin DIP photocoupler featuring 5000V RMS galvanic isolation, 80V VCEO phototransistor, and 50% to 600% CTR for noise isolation and micro-to-mains feedback.

NXP Semiconductors 16-channel I2C-bus controlled 12-bit LED and servo motor PWM controller with an internal 25 MHz oscillator and programmable output frequency from 24 Hz to 1526 Hz.

NXP low-power CMOS real-time clock (RTC) and calendar IC providing century flag, programmable alarm, timer, and 32.768 kHz clock output over I2C (0x51) with 0.25 µA backup current.

NXP and Texas Instruments remote 8-bit I/O expander for I2C-bus, featuring quasi-bidirectional I/O ports, an open-drain interrupt output, and 3 hardware address selection pins.

NXP single-chip low-power 8-bit CMOS data acquisition device featuring 4 analog inputs, 1 analog output (DAC), and I2C bus interface, commonly sold as a beginner breakout board with onboard thermistor, LDR, and potentiometer.

Microchip 8-pin 8-bit CMOS Flash RISC microcontroller with 2K words (3.5KB) Flash, 128B RAM, 256B EEPROM, 4-channel 10-bit ADC, CCP (PWM), and internal 8MHz RC oscillator in a DIP-8 package.

Microchip 18-pin 8-bit Flash RISC microcontroller with 2K words (3.5KB) Flash, 224B RAM, 128B EEPROM, addressable hardware USART, dual analog comparators, and internal 4MHz oscillator, modernizing the PIC16F84A.

Microchip historic 18-pin 8-bit CMOS Flash RISC microcontroller with 1K words (1.75KB) Flash, 68B RAM, 64B EEPROM, and 13 I/O lines that launched the DIY microcontroller revolution in the late 1990s.

Microchip classic 8-bit PIC RISC microcontroller featuring 8K words (14KB) Flash memory, 368 bytes RAM, 256 bytes EEPROM, 8-channel 10-bit ADC, and 33 I/O pins in a 40-pin DIP package.

Microchip flagship 8-bit PIC18 RISC microcontroller running at 48MHz with integrated USB 2.0 Full-Speed transceiver, 32KB Flash, 2KB RAM, 13-channel 10-bit ADC, and nanoWatt technology in a 40-pin DIP package.

Plantower digital universal particle concentration sensor using laser scattering to measure real-time PM1.0, PM2.5, and PM10 mass concentration (µg/m³) over a UART serial interface.

Standard TO-92 plastic package NPN silicon switching BJT rated for 40V collector-emitter voltage (VCEO) and 600 mA collector current (IC) for relays, buzzers, and DC motors.

onsemi / Fairchild plastic TO-92 packaged -60V -600mA general-purpose high-speed PNP switching BJT, serving as the breadboard-friendly equivalent of the 2N2907A metal can and complement to PN2222A.

NXP highly integrated transceiver IC for 13.56 MHz Near Field Communication (NFC) and RFID, supporting reader/writer, peer-to-peer, and MIFARE card emulation modes over I2C, SPI, or HSU (High-Speed UART).

Princeton Technology CMOS digital audio delay processor IC with 44K-bit SRAM, integrated ADC/DAC, and adjustable delay time (30ms to 340ms) for guitar effect pedals and karaoke systems.

Power Trend Micro 30V 1.2A step-down constant-current LED driver IC with integrated 30V MOSFET, 100mV high-side sense, and multi-function PWM/analog dimming.

Puya Semiconductor sub-$0.10 32-bit ARM Cortex-M0+ microcontroller with 20KB Flash, 3KB SRAM, 12-bit 1Msps ADC, wide 1.7V to 5.5V supply voltage operating window, and hardware I2C/SPI/USART.