The PICAXE-20M2 is a compact, versatile microcontroller chip popular in education and hobby projects, offering up to 18 configurable I/O pins (with 11 analog/touch channels) and enhanced M2 features like parallel tasking, touch sensing, and music generation, making it a powerful, low-cost choice for home automation, data logging, and prototyping. It provides flexibility with its programmable pins (B.0, C.0, etc.) and supports advanced communication protocols like I2C and SPI. #microcontroller #PICAXE

Connector Header Through Hole 22 position 0.100" (2.54mm) Pin Header 02x22 2.54mm Vertical The 77313-118-22LF is a 2.54 mm pitch unshrouded vertical pin header connector from the Amphenol ICC (FCI) BergStik® series. It is designed for board-to-board and wire-to-board interconnections in embedded systems, industrial electronics, prototyping, and general PCB applications. The connector features a double-row, 22-position through-hole configuration with gold-plated phosphor bronze contacts for reliable electrical performance and durability. Key Features 22-position dual-row header 2.54 mm (0.100") pitch Vertical through-hole mounting Unshrouded male pin header BergStik® series Gold-plated contacts for improved conductivity and corrosion resistance Phosphor bronze contacts with thermoplastic housing Current rating: up to 3 A per contact Operating temperature: −65°C to +130°C UL94 V-0 flame-rated housing RoHS compliant Suitable for: MCU and development boards Mezzanine board stacking Ribbon cable interfaces General-purpose PCB interconnects #CommonPartsLibrary #Connector #Header

SD Card Circuit Module #Module #SDCardCircuit #ElectronicsDesign #PCB #SMDComponents #CircuitDesign #Prototyping #TechInnovation

Microphone Module #Module Introducing the Microphone Circuit project, featuring the SPH0645LM4H-B MEMS microphone with a 20 Hz to 10 kHz frequency range and high precision sensitivity at -26dB ±3dB @ 94dB SPL for superior audio capture. The circuit is engineered with designated power and ground nets and optimized passive components to deliver reliable audio processing in rapid prototyping and advanced electronic applications. #MicrophoneCircuit #MEMSMicrophone #AudioEngineering #ElectronicsDesign #SPH0645LM4HB #PCBDesign

CONN SOCKET 4POS 2.54mm SINGLE ROW TH This connector consists of a single row of 4 electrical pins spaced 2.54 mm apart. It is typically available as a male pin header, female header, or wafer connector depending on the application. The part is commonly used for power, signal, UART, GPIO, sensor, and programming connections in embedded systems and prototyping. Key Features 2.54 mm pitch spacing Industry-standard spacing compatible with breadboards and jumper wires 1x4 configuration Single row with 4 contacts/pins Compact PCB connection solution Suitable for board-to-board or wire-to-board applications Easy solder mounting Typically through-hole (THT), though SMT variants may exist Wide compatibility Works with Arduino, Raspberry Pi modules, sensors, and development boards Durable metal contacts Usually tin- or gold-plated for reliable electrical connection Multiple orientations available Straight vertical or right-angle versions Low-cost and widely available Commonly used in consumer electronics and DIY projects Common Applications GPIO and sensor connections UART / serial interfaces Power input/output headers Embedded system prototyping Module interconnections Debug and programming interfaces #CommonPartsLibrary #Connector

BATTERY HOLDER CYLINDRICAL 18650 SMD BH-18650-B1BA002 is a surface-mount (SMD) battery holder designed for a single 18650 lithium-ion cylindrical cell. It is commonly used in portable electronics, battery-powered IoT devices, embedded systems, power banks, and rechargeable battery applications where a removable 18650 battery is required. The holder is manufactured by MYOUNG and is intended for direct PCB mounting. Key Features Supports 1× 18650 cylindrical Li-ion battery Horizontal PCB-mount design for compact layouts Surface-mount (SMD) terminals for automated assembly Gold-plated contacts for improved conductivity and corrosion resistance Phosphor bronze contact material for durability and reliable spring force Operating temperature range of approximately -25°C to +85°C RoHS compliant Suitable for rechargeable battery-powered products and prototyping applications Typical Applications Portable electronic devices Battery backup systems Wireless sensors and IoT nodes DIY electronics projects Embedded control systems Rechargeable battery-powered equipment

Battery Product Accessories RoHS The Keystone 2462 is a PCB-mounted AA battery holder designed for 2 cells. It is manufactured by Keystone Electronics Corp. and is commonly used in electronic circuits that require a compact, reliable, and cost-effective battery power source. The holder is designed for through-hole PCB installation using PC pins and securely holds cylindrical AA batteries while maintaining stable electrical contact. Key Features Battery Type: AA (R6) cylindrical cells Number of cells: 2-cell holder (series configuration in many variants) Mounting style: PCB through-hole (PC pin termination) Electrical connection: Reliable spring contacts for low-resistance connection Design: Open-frame economical plastic battery holder Material: Durable plastic body with metal spring contacts Performance: Designed to maintain stable contact under vibration and shock Ease of use: Batteries can be easily inserted and removed Variants: Available in different termination styles (PC pins, solder lugs, ribbon leads in similar series) Typical Applications Embedded electronic systems IoT devices and sensor nodes Prototyping circuits Backup power for small PCB designs Consumer and industrial low-power electronics

Female Headers CONN SOCKET 40POS 2.54mm DUAL ROW TH This connector consists of 40 pins total (2 rows × 20 pins) spaced at 2.54 mm pitch. It is widely used in PCB interconnections, embedded systems, Raspberry Pi-style GPIO headers, Arduino expansion boards, and general prototyping applications. It mates with standard female headers or jumper wires. Key Features Pin configuration: 2×20 (40 pins total) Pitch: 2.54 mm (0.1 inch standard) Mounting type: Through-hole (THT) Orientation options: Vertical or right-angle variants Contact material: Typically brass or phosphor bronze Plating: Tin or gold-plated options for improved conductivity Current rating: Commonly 1A–3A per pin (depends on manufacturer) Voltage rating: Typically up to 250V AC/DC (application-dependent) Compatibility: Standard 2.54 mm female headers and jumper cables Use cases: Development boards, GPIO expansion, debugging interfaces, mezzanine connections #CommonPartsLibrary #Connector

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

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