Microcontrollers
A microcontroller is a small, low-cost computer-on-a-chip that can be used to control electronic devices and systems. It consists of a central processing unit (CPU), memory, input/output (I/O) ports, and other peripherals integrated onto a single chip. Microcontrollers are commonly used in a wide range of applications, including automotive systems, home appliances, industrial automation, and consumer electronics. One of the key benefits of microcontrollers is their ability to interact with their environment through sensors and actuators, making them well-suited for use in embedded systems. These systems are often found in devices that require real-time control or data processing, such as medical equipment, aircraft, and factory automation systems. Flux.ai is home to the world's largest community-driven public library of microcontrollers, with footprints, symbols, datasheets, and simulation models for a wide range of devices. Whether you're a professional engineer looking for a specific microcontroller for your next project, or a hobbyist exploring the possibilities of microcontroller-based systems, Flux.ai has the resources you need to get started.
LM7812T
Three-Terminal Fixed Positive Voltage Regulator The LM7812T is a three-terminal fixed positive linear voltage regulator IC designed to provide a stable +12V DC output from a higher input voltage source. It belongs to the widely used 78xx series regulators, where “12” indicates the fixed output voltage of 12 volts. It is commonly used in power supply circuits, embedded systems, and electronic devices that require a simple, reliable regulated 12V rail without the complexity of external components. The device operates as a linear regulator, meaning it reduces voltage by dissipating excess energy as heat, so proper heatsinking is often required for higher current loads. Key Features of LM7812T Fixed +12V output voltage Output current up to 1A–1.5A (depending on package and cooling) Input voltage range up to ~35V max Built-in thermal shutdown protection Internal current limiting and short-circuit protection Safe-area compensation for reliable operation No external components required for basic operation Good line and load regulation Low quiescent current (~8 mA typical) Available in TO-220 / TO-3 packages (LM7812T variants) Typical Applications DC power supplies (12V regulated rail) Arduino and microcontroller systems Industrial control electronics Sensor and communication circuits Battery-powered systems requiring stable 12V Audio amplifiers and small motor control circuits #CommonPartsLibrary #IntegratedCircuit #PowerManagement
96 Uses0 StarsCP2102N-A02-GQFN24
USB-to-UART Bridge CP2102N-A02-GQFN24 is a highly integrated USB-to-UART bridge controller from Silicon Labs. It provides a simple and cost-effective way to add USB connectivity to embedded systems by converting USB 2.0 Full-Speed communication into a standard UART interface. The device integrates the USB transceiver, oscillator, voltage regulator, and UART controller, minimizing external components and eliminating the need for USB firmware development. It is commonly used in microcontroller programming interfaces, industrial equipment, POS terminals, data loggers, and USB-to-serial adapters. Key Features USB 2.0 Full-Speed compliant (12 Mbps) interface. USB-to-UART bridge with data rates up to 3 Mbaud. Integrated USB transceiver; no external USB resistors required. Integrated oscillator; no external crystal required. On-chip 3.3 V voltage regulator. USB Battery Charger Detection (BC 1.2) support. Remote wakeup capability from USB suspend state. Low operating current of approximately 9.5 mA. Hardware and software flow control support. Internal configurable ROM for Vendor ID, Product ID, serial number, and USB descriptors. Royalty-free Virtual COM Port (VCP) drivers available for major operating systems. Operating temperature range: −40°C to +85°C. Compact 24-pin QFN (4 mm × 4 mm) package. Typical Applications USB-to-Serial adapters Microcontroller programming and debugging interfaces Industrial automation equipment Point-of-sale (POS) terminals Medical instruments Data acquisition and logging systems Embedded systems requiring USB connectivity #commonpartslibrary #integratedcircuit
375 Uses0 StarsAMS1117-3.3RG
The AMS1117-3.3RG is a fixed-output, low-dropout (LDO) linear voltage regulator that provides a regulated 3.3 V output from a higher input voltage. It is capable of delivering up to 1 A output current and is commonly used in microcontroller, communication, and embedded-system power supplies where a stable 3.3 V rail is required. The device includes built-in protection features such as current limiting and thermal shutdown for improved reliability. Key Features Fixed 3.3 V output voltage Supports up to 1 A output current Low dropout voltage, typically around 1.2 V and up to 1.3 V at 1 A load Input voltage capability up to 12 V (some manufacturer variants specify higher absolute maximum ratings) Good line and load regulation Built-in current limiting protection Built-in thermal shutdown protection Available in SOT-223 surface-mount package Suitable for post-regulation of switching power supplies and general 3.3 V power conversion applications Typical Applications ESP32, STM32, and other microcontroller-based systems Embedded and IoT devices Communication modules LCD monitors and display circuits Battery-powered equipment Post-regulation for DC/DC converters Motherboards and expansion cards #CommonPartsLibrary #IntegratedCircuit #PowerManagement #LDO
145 Uses0 Stars2.54-2*8P针
Pin Header 2 2.54mm 6mm 16P -55℃~+105℃ 3mm 2.54mm 3A 2.54mm 2x8P Through Hole,P=2.54mm Headers, Male Pins RoHS The 2.54-2×8P pin header is a dual-row connector with 16 pins arranged in a 2×8 configuration and a standard 2.54 mm (0.1 inch) pitch. It is commonly used in PCB interconnections, development boards, modules, and general-purpose electronic circuits for signal routing and board-to-board or wire-to-board connections. Key Features Standard pitch: 2.54 mm (0.1 inch), widely compatible with breadboards and jumper wires Pin configuration: 2 rows × 8 pins (total 16 pins) Mounting type: Typically through-hole for strong mechanical stability Easy connectivity: Supports jumper wires, female sockets, and IDC connectors Versatile use: Common in development boards, microcontroller systems, and expansion interfaces Cost-effective: Simple and widely available connector solution Durable contact: Designed for repeated plugging and unplugging in prototyping environments #CommonPartsLibrary #Connector
335 Uses0 Stars2.54-2*4P立贴针
CONN HEADER 8POS 2.54mm DUAL ROW SMD The 2.54-2×4P is a generic 8-pin dual-row connector/header with a 2.54 mm (0.1 inch) pitch, commonly used for board-to-board, wire-to-board, and programming/debug interfaces in electronic circuits. The designation 2×4P indicates two rows of four pins, providing a total of eight electrical connections in a compact arrangement. This type of connector is widely used in embedded systems, development boards, industrial control equipment, consumer electronics, and prototyping applications due to its standard pitch and broad compatibility with jumper wires, IDC cables, and mating sockets. Key Features 2.54 mm standard pitch (0.1 inch industry standard) 2×4 pin configuration (8 total contacts) Available in through-hole (THT) and sometimes surface-mount (SMT) versions Supports board-to-board and wire-to-board connections Compatible with standard jumper wires and ribbon cable connectors Compact dual-row design for higher pin density Typically constructed with gold-plated or tin-plated contacts for reliable electrical performance Suitable for signal, control, and low-power applications Commonly used for programming, debugging, communication interfaces, and expansion headers Available in straight (vertical) or right-angle orientations depending on manufacturer Typical Applications Microcontroller and development boards ISP/JTAG/SWD programming headers Sensor and peripheral connections Industrial control systems Prototyping and breadboard-compatible designs Communication interfaces and expansion ports #CommonPartsLibrary #Connector
106 Uses0 StarsX6521FV-2x19-C85D32
Female Header 38 Position 2.54mm Pitch Dual Row Through Hole -40℃~+105℃ X6521FV-2x19-C85D32 is a 2.54 mm pitch, dual-row female header connector manufactured by XKB Connection. It is designed for through-hole PCB mounting and provides a reliable board-to-board or wire-to-board interconnection solution in industrial, consumer, and embedded electronic applications. The connector features 38 positions (2×19) arranged in two rows and supports moderate power and signal transmission requirements. Key Features Connector Type: Female Header / Receptacle Number of Positions: 38 contacts (2×19 configuration) Pitch: 2.54 mm (0.1 inch) Row Spacing: 2.54 mm Mounting Type: Through-Hole (THT) Orientation: Top-entry Rated Current: 3 A per contact Rated Voltage: 250 V Contact Material: Brass Contact Plating: Gold-plated contacts for improved conductivity and corrosion resistance Insulator Height: 8.5 mm Operating Temperature Range: -40°C to +105°C Hole Type: Square socket contacts RoHS Compliant Typical Applications Microcontroller and development boards Industrial control systems Embedded electronics Board-to-board interconnections Prototyping and evaluation hardware Signal and low-power distribution connections #CommonPartsLibrary #Connector
86 Uses0 Stars
