Top User Projects
Explore innovation and practical design in Flux.ai's top user projects. This collection highlights outstanding printed circuit board (PCB) projects crafted by our community members. Featuring a range of complexities and applications, these projects showcase the real-world potential and diversity of PCB design. The top user projects section is an invaluable resource for inspiration and learning. Whether you’re a veteran PCB designer seeking fresh ideas or a newcomer aiming to understand various design strategies, these projects offer a wealth of knowledge and insight into the dynamic world of PCB design. By highlighting the achievements of our community, the top user projects stand as a testament to the innovative spirit and collaborative nature of Flux.ai’s users, fostering a culture of knowledge sharing and continuous advancement in the field of electronics design.
ESP32-S3-WROOM-1U-N16R8
Bluetooth, WiFi 802.11b/g/n, Bluetooth v5.0 Transceiver Module 2.4GHz Antenna Not Included, U.FL Surface Mount The ESP32-S3-WROOM-1U-N16R8 is a high-performance embedded module designed for IoT and edge computing applications, featuring integrated wireless connectivity and enhanced processing capabilities. Processor: Dual-core Xtensa LX7, up to 240 MHz Wireless Connectivity: Wi-Fi 2.4 GHz (802.11 b/g/n) Bluetooth LE 5.0 Memory Configuration (N16R8): 16 MB Flash memory 8 MB PSRAM Antenna Type: U.FL connector for external antenna (“1U” variant) Indicates support for an external antenna via U.FL connector Allows improved RF performance and flexible antenna placement #commonpartslibrary #rf #wireless #transceiver #module
122 Uses1 StarsESP32-CAM
The ESP32-CAM Ai-Thinker is a compact, low-cost Wi-Fi and Bluetooth-enabled camera development module based on the ESP32-S dual-core microcontroller. It integrates an OV2640 2MP camera sensor, onboard Flash memory, PSRAM, and a MicroSD card slot, making it suitable for IoT vision applications, wireless surveillance, image capture, video streaming, face recognition, and smart home projects. The module combines wireless connectivity and image processing capabilities in a small form factor while maintaining low power consumption. Key Features ESP32-S Dual-Core Processor Tensilica Xtensa LX6 dual-core 32-bit CPU Operating frequency up to 240 MHz Computing performance up to 600 DMIPS Integrated Camera Equipped with OV2640 CMOS image sensor Maximum image resolution: 1600 × 1200 (UXGA, 2MP) Supports JPEG image compression and video streaming Memory 4 MB Flash memory External PSRAM for frame buffering and image processing 520 KB internal SRAM Wireless Connectivity 2.4 GHz Wi-Fi (802.11 b/g/n) Bluetooth 4.2 BR/EDR and BLE support Storage Built-in MicroSD/TF card slot Supports local storage of images, videos, and data logs Peripheral Interfaces UART SPI I²C PWM ADC DAC GPIO expansion pins Power Supply Operating voltage: 5 V Low-power operation with deep-sleep capability for battery-powered applications Compact Design Module size approximately 27 mm × 40.5 mm PCB antenna onboard Optional external antenna connection on some variants
186 Uses1 Stars2.54-2*20
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
329 Uses1 StarsX5521FV-2x15-C85D30-1150
Female Headers X5521FV-2x15-C85D30-1150 HDR-TH_30P-P2.54-V-F-R2-C15-S2.54-3 LCSC Part Number: C2916939 JLCPCB Part Class: Extended Part Manufactured by XKB Connectivity(中国星坤) XKB X5521FV-2xXX-C85D30-1150 dual-row female socket header connector, 2.54mm pitch, through-hole vertical mounting, round pin receptacle type, PPS UL94V-0 black insulator, brass outer sleeve with beryllium copper clip contact, tin or gold plating, 3A current rating, 1000V RMS dielectric withstand voltage, 10mΩ max contact resistance, 500 mating cycles mechanical life, -40°C to +105°C operating temperature, suitable for 0.635mm to 0.889mm mating pins. Search Keywords: XKB X5521FV, X5521FV-2xXX-C85D30-1150, XKB female socket header, XKB round pin socket, 2.54mm female socket header, 2.54mm dual row female header, 2x10 female socket header, 20 pin female header, through hole female header, vertical socket connector, round pin receptacle connector, machined pin female header, PPS UL94V-0 socket connector, XKB 2.54mm connector Hashtags: #XKB #X5521FV #X5521FV2xXXC85D301150 #FemaleHeader #SocketHeader #RoundPinSocket #MachinedPinSocket #ReceptacleConnector #254mmConnector #254mmPitch #DualRowHeader #2x10Header #20PinHeader #ThroughHoleConnector #VerticalConnector #PPSInsulator #UL94V0 #BerylliumCopperContact #BrassContact #3AConnector
77 Uses1 Stars2.54-1*4P母
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
917 Uses1 StarsOV2640 Camera Board
Sensor Evaluation Boards RoHS The OV2640 Camera Board integrates the OV2640 2MP CameraChip™ sensor with onboard circuitry to simplify interfacing with microcontrollers. It captures images up to UXGA resolution (1622 × 1200 / 1632 × 1232 depending on configuration) and supports both raw and compressed output formats. The sensor also includes an internal image signal processor (ISP), allowing direct JPEG compression without external processing. This makes it especially suitable for low-cost embedded systems where bandwidth and MCU resources are limited. ⭐ Key Features 📸 Image Performance 2 Megapixel CMOS sensor (OV2640) Max resolution: UXGA (up to ~1600 × 1200 class) Frame rates (typical): UXGA / SXGA: up to ~15–30 fps (depending on mode) SVGA: up to 30 fps CIF: up to 60 fps 🎨 Output Formats Supports multiple image data formats: JPEG (hardware compressed) YUV 422 / 420 RGB565 / RGB555 YCbCr 4:2:2 8-bit raw / compressed output modes ⚡ Electrical Characteristics Supply voltage: 3.3V I/O voltage range: 1.7V – 3.3V Low-power CMOS design optimized for embedded devices
232 Uses1 StarsPESD5V0S1BA
20A 9V 300W 7V Bidirectional 5V SOD-323 ESD and Surge Protection (TVS/ESD) ROHS ESD DIODE 5VWM 7VC 9VC SOD-323 300W peak pulse power (8/20µs) * Protects one data or power line PESD5V0S1BA 1-Line BI-directional TVS Diode www.sot23.com.tw Mechanical Characteristics Package: SOD-323 Lead Finish: Matte Tin Case Material: "Green" Molding Compound. UL Flammability Classification Rating 94V-0 Moisture Sensitivity: Level 3 per J-STD-020 Terminal Connections: See Diagram Below * Ultra low leakage: nA level * Operating voltage: 5V * Ultra low clamping voltage * Complies with following standards: - IEC 61000-4-2 (ESD) immunity test Air discharge: ±30kV Contact discharge: +30kV - IEC61000-4-4 (Lightning) 20A (8/20ns) #CommonPartsLibrary #Diode
952 Uses1 StarsMT3608L
High Efficiency 2.5A 1.2MHz Step-Up Converter The MT3608L is a constant frequency, 6-pin SOT23 current mode step-up converter intended for small, low power applications. The MT3608L switches at 1.2MHz and allows the use of tiny, low cost capacitors and inductors 2mm or less in height. Internal soft-start results in small inrush current and extends battery life. The MT3608L features automatic shifting to pulse frequency modulation mode at light loads. The MT3608L includes under-voltage lockout, current limiting, and thermal overload protection to prevent damage in the event of an output overload. The MT3608L is available in a small 6-pin SOT-23 package FEATURES ⚫ Integrated 80mΩ Power MOSFET ⚫ 2.2V to 16V Input Voltage ⚫ 1.2MHz Fixed Switching Frequency ⚫ Adjustable Over Current Protection: 0.5A ~2.5A ⚫ Internal 2.5A Switch Current Limit(OC pin floating) ⚫ Adjustable Output Voltage ⚫ Internal Compensation ⚫ Over Voltage Protection ⚫ Up to 20V Output Voltage ⚫ Automatic Pulse Frequency Modulation Mode at Light Loads ⚫ up to 93% Efficiency ⚫ Available in a 6-Pin SOT23-6 Package APPLICATIONS ⚫ Battery-Powered Equipment ⚫ Set-Top Boxed ⚫ LCD Bais Supply ⚫ DSL and Cable Modems and Routers ⚫ Networking cards powered from PCI or PCI express slots #CommonPartsLibrary #IntegratedCircuit #PowerManagement
387 Uses1 Stars