Search results for "circuit boards"

1. Antenna Interface: On-board surface-mount ceramic antenna / external antenna 2. Microcontroller: ESP32-S3R8 chip3. Wireless Communication: 2.4GHz Wi-Fi (802.11 b/g/n), Bluetooth 5 (LE) 4. Interface: Type-C5. Supply Voltage: 5V 6. Interface Functions: Device power supply, USB communication, firmware download, etc. 7. Isolated RS485 Communication Interface:- Interface Type: Terminal blocks - Direction Control: Automatically controlled via master hardware flow settings - Interface Protection: TVS diode protection, surge protection, and ESD protection - Matching Resistor: Default NC; 120R matching resistor reserved; can be enabled via jumper cap 8. Isolated CAN Communication Interface:- Interface Type: Terminal Blocks- Direction Control: Hardware automatically detects and controls data transmission direction - Interface Protection: Provides TVS diode protection, surge protection, and ESD protection - Matching Resistor: Default NC, 120R matching resistor reserved, can be enabled via jumper cap9. Indicator Lights:- PWR: Power indicator; lights up red when connected to USB and voltage is detected- RS485 Indicator: Lights up green when data is transmitted from the RS485 interface; lights up blue when data is received from the RS485 interface - CAN Indicator: Flashes when data is being transmitted via the CAN interface 10. Supply Voltage Range: 7V – 36V 11. Enclosure: DIN-rail mounting enclosure12. Dimensions: Approx. 9.16 x 2.33 x 5.87 cmFeatures:1. Based on the ESP32-S3 microcontroller, with a built-in Xtensa 32-bit LX7 dual-core processor operating at up to 240 MHz2. Integrates dual-mode 2.4 GHz Wi-Fi and Bluetooth 5 (LE) wireless communication with excellent RF performance3. On-board isolated RS485 interface, facilitating the connection of various RS485 Modbus industrial expansion modules or sensors4. On-board isolated CAN interface, facilitating the connection of various CAN devices 5. On-board pin header interface, allowing connection to other devices 6. On-board USB Type-C interface, usable for power supply and download/debugging, facilitating development7. On-board terminal block power supply interface, supporting a wide voltage range of 7V to 36V, suitable for industrial power supply applications 8. On-board RTC clock chip, supporting scheduled tasks 9. On-board digital isolation prevents external signals from interfering with the control chip10. On-board integrated power isolation provides a stable isolated voltage; the isolated side requires no additional power supply11. On-board RS485 transmit/receive indicator lights and CAN activity indicator lights make it easy to monitor the device’s operating status12. DIN-rail mounting enclosure facilitates installation and use; the enclosure provides added safetySpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 12cm * 10cm * 5cm / 4.72inch * 3.94inch * 1.97inch Qty per Carton 100 Carton Weight 11.00kgs / 24.25lb Carton Size 42cm * 36cm * 20cm / 16.54inch * 14.17inch * 7.87inch Loading Container 20GP: 881 cartons * 100 pcs = 88100 pcs40HQ: 2047 cartons * 100 pcs = 204700 pcs

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OverviewThe RPi Relay Board gives your Pi the ability to control high voltage/high current devices, easily makes normal home appliances become intelligent.RPi Relay Board Features1. Supports Raspberry Pi A+/B+/2B/3B/3B+2. High quality relays, loads up to 5A 250V AC or 5A 30V DC3. Photo coupling isolation, prevent interference from high voltage circuit4. Onboard LEDs for indicating relays status5. Relay control jumper, allows to control the relays by custom pins other than the default pins6. Comes with development resources, including examples in wiringPi, WebioPi, shell, python, and bcm2835What is on the RPi Relay Board1. Raspberry Pi GPIO interface: for connecting Raspberry Pi2. Relay screw terminal: for connecting target devices3. Relays4. Photocoupler: PC8175. Relay indicator- LED on: relay NC is opened, NO is closed- LED off: relay NC is closed, NO is opened6. Power indicator7. Relay control jumper- Short the jumper: control the relays by default I/Os used in the example code- Open the jumper: control the relays by custom I/Os through jumper wiresPackage include- RPi Relay Board x 1- RPi screws pack (2pcs) x 1Specification: Package Weight One Package Weight 0.08kgs / 0.18lb One Package Size 8cm * 7cm * 2cm / 3.15inch * 2.76inch * 0.79inch Qty per Carton 700 Carton Weight 52.50kgs / 115.74lb Carton Size 56cm * 35cm * 40cm / 22.05inch * 13.78inch * 15.75inch Loading Container 20GP: 340 cartons * 700 pcs = 238000 pcs40HQ: 789 cartons * 700 pcs = 552300 pcs

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1. Equipped with a high-performance Xtensa 32-bit LX7 dual-core processor with a clock speed of up to 240MHz2. Supports 2.4 GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE), with an onboard antenna3. Built-in 512KB SRAM and 384KB ROM, stacked with 16MB Flash and 8MB PSRAM4. Onboard 4.3-inch LCD capacitive touchscreen, 800 × 480 resolution, 65K color5. Supports I2C interface control of capacitive touch, 5-point touch, and interrupt support6. Onboard ES8311 audio codec chip and ES7210 echo cancellation circuit7. Onboard voltage regulator chip, supporting a wide voltage supply of 7 ~ 36V8. Onboard RTC chip and battery holder, ensuring no data loss when the battery is installed9. Onboard resources include I2C interface, Micro SD card slot, MX1.25 2PIN battery interface, and digital isolated I/O.10. Inputs feature bidirectional opto-isolation, supporting both passive and active switch inputs; active inputs support positive and negative voltages.11. Outputs feature opto-isolation for enhanced drive capability; sink current up to 450mA (MAX).12. External LED indicators for easy monitoring of power and battery charging status.13. Supports flexible clock and individual module power settings for precise control, enabling low-power modes in various scenarios.14. Capacitive 5-point touch for intuitive, WYSIWYG operation and a seamless multi-touch UI.15. Touch functionality via I2C signal, supporting 5-point touch.16. IPS display panel for superior display performance and a 160-degree viewing angle.17. Supports expansion with various peripherals; connects to more devices via I2C and isolated I/O interfaces.18. HMI human-machine interface (HMI): The HMI (also known as the user interface or user interface) is the medium for interaction and information exchange between the system and the user. It converts information from its internal form to a form acceptable to humans.19. Smart home control terminal: this terminal can serve as a central control screen for the home, enabling management of devices such as lights, curtains, and air conditioners via touch and AI voice control. It also displays real-time temperature, humidity, security status, and energy consumption information.Specification: Package Weight One Package Weight 0.60kgs / 1.33lb One Package Size 14cm * 10cm * 5cm / 5.51inch * 3.94inch * 1.97inch Qty per Carton 54 Carton Weight 33.50kgs / 73.85lb Carton Size 44cm * 32cm * 32cm / 17.32inch * 12.6inch * 12.6inch Loading Container 20GP: 591 cartons * 54 pcs = 31914 pcs40HQ: 1373 cartons * 54 pcs = 74142 pcs

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Overview1. XCore407I is an STM32 MCU core board that features the STM32F407IGT6 on board.2. Clock circuit, USB power management3. Onboard devices: USB HS PHY, Ethernet PHY, 1G Bit NandFlash4. Connectors：USB HS (mini / type A), USB FS (mini), Ethernet (RJ45)5. All the idle I/O ports are accessible on the pin headers6. 2.0mm pin header pitch, smaller size, easier to integrate into user system7. Note : please consider the EVK407I, which supports easily programing/debugging.What is On BoardSTM32F407IGT6 development board on board resource1. STM32F407IGT6: The high performance STM32 MCU which features:- Core: Cortex-M4 32-bit RISC- Feature: a full set of single-cycle DSP instructions- Operating Frequency: 168MHz, 210 DMIPS/1.25 DMIPS/MHz- Operating Voltage: 1.8V-3.6V- Package: LQFP176- Memories: 1024kB Flash, 192+4kB SRAM- MCU communication Interfaces:-- 3 x SPI, 4 x USART, 2 x UART, 2 x I2S, 3 x I2C-- 1 x FSMC, 1 x SDIO, 2 x CAN-- 1 x USB 2.0 high-speed/full-speed device/host/OTG controller with dedicated DMA, ULPI and on-chip full-speed PHY-- 1 x 10/100 Ethernet MAC-- 1 x 8 to 14-bit parallel camera interface- AD & DA converters: 3 x AD (12-bit, 1μs, shares 24 channels); 2 x DA (12-bit)- Debugging/Programming: supports JTAG/SWD (serial wire debug) interfaces, supports IAP2. MIC2075-2, onboard USB FS power management device3. AMS1117-3.3, 3.3V voltage regulator4. K9F1G08U0E, 1G Bit NandFlash5. DP83848, Ethernet PHY6. MIC2075-1, onboard USB HS power management device7. USB3300, USB HS PHY8. Power supply switch, powered from 5Vin or USB connection9. Boot mode switch, for configuring BOOT0 pin10. Power indicator11. USB FS LED12. USB HS LED13. Reset button14. 8M crystal, MCU clock, enables the MCU run at higher speed by frequency multiplication15. 24M crystal, USB3300 clock16. 50M crystal, DP83848 clock17. 32.768K crystal, for internal RTC with calibration18. Ethernet connector19. USB FS mini connector20. USB HS mini connector21. USB HS type A connector22. MCU pins expander, VCC, GND and all the idle I/O ports are accessible on expansion connectors for further expansion23. USB OTG/HOST jumper24. VREF/VBAT jumper25. Ethernet I/O selection solder joint26. USB HS I/O selection solder joint27. PDR selection solder joint: 1.8-3.6V, -40～105℃ OR 1.7-3.6V, 0～70℃Package Contents1. XCore407I development board x 12. USB type A to Mini-B cable x 13. Software CD x 1Specification: Package Weight One Package Weight 0.15kgs / 0.33lb One Package Size 15cm * 8cm * 3cm / 5.91inch * 3.15inch * 1.18inch Qty per Carton 260 Carton Weight 15.00kgs / 33.07lb Carton Size 60cm * 40cm * 39cm / 23.62inch * 15.75inch * 15.35inch Loading Container 20GP: 284 cartons * 260 pcs = 73840 pcs40HQ: 661 cartons * 260 pcs = 171860 pcs

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Features1. PoE UPS Base For CM4: Uninterruptible power supply, powering the CM4 while recharging 2. Connecting With Compute Module 4: Standard CM4 socket and color-coded Raspberry Pi 40PIN GPIO header. Suitable For Compute Module 4 Lite/EMMC Series Module 3. Uninterruptible Power: It is able to charge the batteries and provide power output for the system at the same time from external power supply. Automatically switch over to batteries output if external power supply is unavailable, keeps the system running without any trouble 4. Multi Power Supply Options: - Three external power supply options: USB interface, wide voltage DC, and PoE - When connected to the external power supply, the system will be powered and the battery will be charged at the same time, and the battery will be in a disconnected status after being fully charged, so as to avoid battery life damaging caused by frequently charging and discharging - When the external power supply is insufficient, the battery will provide power output together with the external power supply at the same time to ensure system normal operation - When the external power supply is connected, the system will keep running normally even when the battery fails or is taken out. When the external power supply is disconnected, it will automatically switch over to batteries output without interrupting the system operation 5. Safe And Stable Circuit Design: Protection circuits for over charge/discharge, over current, short circuit, and reverse-proof along with the standalone resettable fuse for each battery, more safe and stable 6. Real Time Monitoring: Monitoring the batteries voltage, current, power, and remaining capacity via I2C. (When the voltage dips too low, it is possible to save files properly and then shutdown the system by software, to avoid any data loss) Note: The 18650 batteries are not includedSpecifications1. CM4 socket: Suitable for all variants of Compute Module 4 2. Battery support: Parallel 18650 Li-ion battery x 3 (NOT included) 3. Networking: Gigabit Ethernet RJ45 connector, integrates 802.3af-compliant PoE circuit (5V/2.5A) 4. USB: USB 2.0 Type A ?? 4 5. Connector: - Raspberry Pi 40PIN GPIO header - M.2 M KEY slot, for connecting NVME SSD, or communication module with PCIE M.2 M KEY interface 6. Display: MIPI DSI port x 1 (22pin 0.5mm FPC connector) 7. Camera: MIPI CSI-2 port x 2 (22pin 0.5mm FPC connector) 8. Video: HDMI x 2, supports 4K 30fps output 9. RTC: Real-time clock with battery socket and ability to wake Compute Module 4 10. Storage: MicroSD card socket for Compute Module 4 Lite (without eMMC) variants 11. Fan: Allows speed adjustment and measurement, 5V / 12V 12. Indicator: - M.2 status LED - CM4 status LED 13. Power input7-36V 14. Dimensions: 175.0 x 108.0mmSpecification: Package Weight One Package Weight 0.17kgs / 0.37lb One Package Size 15cm * 12cm * 3cm / 5.91inch * 4.72inch * 1.18inch Qty per Carton 100 Carton Weight 16.00kgs / 35.27lb Carton Size 52cm * 35cm * 37cm / 20.47inch * 13.78inch * 14.57inch Loading Container 20GP: 396 cartons * 100 pcs = 39600 pcs40HQ: 919 cartons * 100 pcs = 91900 pcs

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1. The ESP32-C6-ePaper-1.54 is an e-Paper AIoT development board, equipped with ESP32-C6 microcontroller, which supports Wi-Fi and BLE dual-mode communication. Onboard 1.54inch e-paper display, features ultra-low power consumption and ambient light readability, suitable for portable devices and long-Batt-life scenarios. Integrated with an RTC chip, SHTC3 temperature and humidity sensor, TF card slot, low-power audio codec chip circuit, and Lithium Batt recharge management circuit. Reserved interfaces including USB, UART, I2C, and GPIO for easy functionality expansion and sensor connectivity, providing a flexible and reliable development platform for IoT terminals, electronic tags, portable displays, and other applications.2. Equipped with high-performance ESP32-C6 32-bit RISC-V processor, up to 160MHz main frequency3. Supports Wi-Fi 6, Bluetooth 5 and IEEE 802.15.4 (Zigbee 3.0 and Thread) wireless communication, with superior RF performance4. Built-in 512KB HP Static RAM, 16KB LP Static RAM, 320KB ROM, and external 16MB Flash memory5. Onboard 1.54inch e-paper display, 200 × 200 resolution, features high contrast and wide viewing angle6. Onboard audio codec chip, supports voice capture and playback, enabling AI voice interaction applications7. Onboard PCF85063 RTC chip and SHTC3 temperature & humidity sensor for accurate RTC management and environmental monitoring8. Onboard TF card slot for external storage of images or files9. Onboard programmable PWR and BOOT side buttons for customized function development10. Reserved 2 × 6 2.54mm pitch pin header for convenient external expansionSpecifications:1. Display Panel: E-Ink display2. Display Size: 1.54 inches3. Resolution: 200 × 2004. Grayscale Levels: 25. Communication Interface: SPI6. Full Refresh Time: 2s7. Display Colors: Black, White8. Partial Refresh Time: 0.3s9. Viewing Angle: Greater than 170-degree10. Display Mode: ReflectiveSpecification: Package Weight One Package Weight 0.06kgs / 0.13lb One Package Size 7cm * 7cm * 5cm / 2.76inch * 2.76inch * 1.97inch Qty per Carton 180 Carton Weight 11.00kgs / 24.25lb Carton Size 47cm * 37cm * 30cm / 18.5inch * 14.57inch * 11.81inch Loading Container 20GP: 511 cartons * 180 pcs = 91980 pcs40HQ: 1186 cartons * 180 pcs = 213480 pcs

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1. The breadboard is made of ABS plastic with black printed instructions, including color codes for each strip.2. The solderless breadboard features a self-adhesive tape strip on the back for easy attachment to any surface. The contact points are marked both horizontally and vertically.3. The solderless breadboard has 830 contacts, making it easy to quickly assemble electronic circuits.It is extremely easy to use, especially with DuPont multi-color jumper cables; no soldering is required; simply plug and unplug.4. Primarily designed for breadboard prototyping, it is compatible with Arduino projects, Raspberry Pi, single-board computers, LoveRPi kits, and other DIY projects. It is ideal for labs, industry, universities, schools, hobbies, or model making.5. It ensures uninterrupted circuit connections and is designed to resist failure under various conditions, providing safe and stable connections between components.6. Set includes an 830-hole breadboard, power supply, and 65 breadboard wires.Specification: Package Weight One Package Weight 0.16kgs / 0.36lb One Package Size 26cm * 19cm * 4cm / 10.24inch * 7.48inch * 1.57inch Qty per Carton 8 Carton Weight 2.40kgs / 5.29lb Carton Size 28cm * 21cm * 34cm / 11.02inch * 8.27inch * 13.39inch Loading Container 20GP: 1333 cartons * 8 pcs = 10664 pcs40HQ: 3096 cartons * 8 pcs = 24768 pcs

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1. Equipped with the high-performance Xtensa 32-bit LX7 dual-core processor of ESP32-S3R8, with a main frequency of up to 240 MHz2. Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE), with built-in antenna3. Equipped with 512KB of SRAM and 384KB of ROM, and stacked 8MB PSRAM and externally connected 16MB Flash4. Uses Type-C interface, eliminating the need to worry about the front or back insertion, improving the users convenience and device compatibility5. Equipped with a 1.54-inch LCD screen, 240 x 240 resolution, 262K color, capable of clearly displaying color images6. Equipped with ES7210 audio encoding chip, supporting dual-microphone audio acquisition and echo cancellation function7. Equipped with ES8311 audio codec chip, NS4150B power amplifier chip, microphone and speaker, enabling smooth gaming with Xiaozhi AI8. Equipped with QMI8658 six-axis inertial measurement unit (3-axis acceleration, 3-axis gyroscope), capable of detecting motion posture to expand applications9. Exposed I2C, UART and other pads, available for external devices and debugging use, flexible configuration of peripheral functions10. Equipped with 3 customizable function buttons, capable of achieving single-click, double-click, long press and other operations11. Equipped with 3.7V MX1.25 lithium battery charging and discharging interface12. Equipped with Micro SD card slot, enabling storage expansion, high-speed data transmission, improving flexibility of use, suitable for data recording and media playback, simplifying circuit designLCD screen parameters1. Display panel: IPS2. Display resolution: 240 x 240 pixels3. Display size: 1.54 inches4. Communication interface: 4-Wire SPI5. Touch type: capacitive sensing6. Display colors: 262K9. Driving IC: ST778910. Touch IC: CST81611. Effective screen size: about 2.772 x 2.772 cmSpecification: Package Weight One Package Weight 0.05kgs / 0.12lb One Package Size 10cm * 8cm * 5cm / 3.94inch * 3.15inch * 1.97inch Qty per Carton 126 Carton Weight 8.00kgs / 17.64lb Carton Size 50cm * 37cm * 32cm / 19.69inch * 14.57inch * 12.6inch Loading Container 20GP: 450 cartons * 126 pcs = 56700 pcs40HQ: 1045 cartons * 126 pcs = 131670 pcs

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1. The ESP32-S3-Tiny is a compact microcontroller development board featuring a variety of digital interfaces. It employs a split-type design, allowing the USB and button circuits to be separated, reducing the overall PCB thickness and volume. Despite its ultra-compact form factor, it provides access to 34 GPIO pins, facilitating easier integration into projects.2. It utilizes the ESP32-S3 series as its main chip, equipped with a dual-core Xtensa 32-bit LX7 processor running at up to 240 MHz.3. It features stacked 4MB / 8MB Flash and 2MB / 8MB PSRAM, integrated 512KB SRAM, and 384KB ROM.4. It integrates dual-mode wireless communication with 2.4 GHz Wi-Fi and Bluetooth Low Energy (Bluetooth LE), offering excellent RF performance.5. The board includes an onboard FPC 8-pin interface, which can connect to a USB Type-C interface via an adapter board.6. 34 multi-functional GPIO pins of the ESP32-S3 are exposed.7. It boasts a rich set of peripheral interfaces, including SPI, I2C, UART, ADC, and PWM interfaces, enabling greater flexibility in implementing various functionalities.8. It supports multiple low-power operating states, allowing adjustment of the balance between communication range, data rate, and power consumption to meet the power requirements of diverse application scenarios.Specification: Package Weight One Package Weight 0.06kgs / 0.14lb One Package Size 10cm * 8cm * 3cm / 3.94inch * 3.15inch * 1.18inch Qty per Carton 160 Carton Weight 10.70kgs / 23.59lb Carton Size 42cm * 34cm * 32cm / 16.54inch * 13.39inch * 12.6inch Loading Container 20GP: 583 cartons * 160 pcs = 93280 pcs40HQ: 1354 cartons * 160 pcs = 216640 pcs

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1. This product is a microcontroller development board supporting 2.4GHz Wi-Fi and Bluetooth BLE 5. Integrated with high-capacity Flash and PSRAM, it features an onboard 1.46-inch touch LCD screen for smooth operation of GUI interfaces like LVGL. Combined with multiple peripheral interfaces, it accelerates ESP32-S3 HMI application development. 2. Equipped with ESP32-S3R8 high-performance Xtensa 32-bit LX7 dual-core processor, operating at up to 240MHz 3. Supports 2.4 GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE) with onboard antenna 4. Built-in 512 KB SRAM and 384 KB ROM, stacked with 8 MB PSRAM and 16 MB onboard Flash 5. Type-C interface enhances user convenience and device compatibility 6. Onboard 1.46-inch LCD screen with 412 × 412 resolution and 16.7M colors 7. Supports I2C interface for touch control with interrupt capability 8. Exposed UART, I2C, and partial IO interfaces 9. Onboard QMI8658 6-axis IMU (3-axis accelerometer + 3-axis gyroscope) for angle/acceleration detection 10. Onboard PCF85063 RTC chip enables uninterrupted power via external battery, maintaining RTC functionality during main battery replacement 11. Two customizable side buttons (PWR and BOOT) for user-defined functions 12. Onboard 3.7V MX1.25 lithium battery charge/discharge interface 13. Micro SD card slot for storage expansion and high-speed data transfer, facilitating data logging/media playback while streamlining circuit design 14. Flexible clock control and multi-power modes enable precise low-power operation across scenarios 15. Multiple exposed GPIO pins remappable to various functions for custom developmentSpecification: Package Weight One Package Weight 0.38kgs / 0.85lb One Package Size 10cm * 8cm * 5cm / 3.94inch * 3.15inch * 1.97inch Qty per Carton 128 Carton Weight 49.70kgs / 109.57lb Carton Size 42cm * 34cm * 34cm / 16.54inch * 13.39inch * 13.39inch Loading Container 20GP: 549 cartons * 128 pcs = 70272 pcs40HQ: 1275 cartons * 128 pcs = 163200 pcs

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