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1. STM32F103RCT6: the high performance STM32 MCU in LQFP64 package which features * Core: ARM Cortex-M3 32-bit RISC; * Operating Frequency: 72MHz, 1.25 DMIPS/MHz; * I/Os: 51; * Operating Voltage: 2-3.6V; * Memories: 256kB Flash, 48kB RAM; * Communication Interfaces: 2 x SPI, 5 x USART, 2 x I2S, 2 x I2C, 1 x SDIO, 1 x USB, 1 x CAN; * AD & DA converters: 3 x AD(12-bit, 1s, shares 16 channels); 2 x DA(12-bit); * Debugging/Programming: supports JTAG/SWD (serial wire debug) interfaces, supports IAP; 2. AMS1117-3.3V: 3.3V voltage regulator; 3. Power supply switch: 5V DC or USB; 4. Power indicator; 5. LEDs: Convenient for indicating I/O status or program debugging running state; 6. Reset button; 7. User key; 8. Joystick: Convenient for I/O input (five positions); 9. 32.768K crystal oscillator: used for internal RTC, also supports clock calibration; 10. 8M crystal oscillator: enables the MCU run at 72M frequency by frequency multiplication; 11. SDIO Interface: connects to the Micro SD adapter easily, It is much faster to read/write the Micro SD card via SDIO than via SPI; 12. 8-Bit I/O Interface: easily connects to keypad, motor, etc; 13. CAN Interface: communicates with accessory boards which feature the CAN device conveniently; 14. SPI1 / SPI2 interface: * Easily connects to SPI peripherals such as FLASH (AT45DBxx), SD card, MP3, etc.; * Convenient for connecting AD, DA module, thanks to the SPI1 alternative function - AD&DA; 15. I2C1 / I2C2 interface: easily connects to I2C peripherals such as I/O expander (PCF8574), EEPROM (AT24Cxx), etc.; 16. LCD Interface: easily connects to the touch screen LCD; 17. ONE-WIRE Interface: easily connects to ONE-WIRE devices (TO-92 package), such as temperature sensor (DS18B20), electronic registration number (DS2401), etc. 18. PS/2 Interface: easily connects to PS/2 keyboard or mouse; 19. USART1 Interface: easily connects to RS232, RS485, USB TO 232; 20. USART2 Interface: easily connects to RS232, RS485, USB TO 232; 21. USB Port: USB communication between board and PC; 22. 5V DC jack; 23. 5V/3.3 V power input/output: usually used for power output, or common ground with other user board; 24. MCU pins connector: all the MCU pins are accessible on expansion connectors for further expansion; 25. JTAG/SWD interface: for debugging/programming; 26. Boot Mode Selection: for configuring the BOOT0 and BOOT1 pins.
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Input voltage: 5-40V;Output voltage: 1.2-30V adjustable,1.2-30V fixed output Output Current: 12A MAX (rated 8A, peak 12A) 100W enhance heat dissipation of up to 200W,Working temperature: -40 to 85 degrees Operating frequency: 180KHz;Conversion efficiency: up to 95% Short circuit protection: Yes (limit current 12A) Overtemperature protection: (automatically shut off the output after overtemperature) Input Reverse Polarity Protection: None Installation: four 3mm screws (not included) Connection: terminals, solderless, V-IN is the input, V-OUT is the output, with wire output module housing. Module size: 50mm * 50mm * 18mm Application: This module can be used in batteries, power transformers, DIY adjustable power supply, 24V car T of the power supply, automotive LED lights with power, industrial Buck equipment, 12V t- 3.3V, 12V - 5V, 24V - 5V , 24V -12V, etc. Package Included:1 x Buck Converter Module Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is /- 1-3 cm.
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This constant Voltage current boost module has high efficiency and little heat, low ripple and Stable performance With digital display, can show input Voltage), output Voltage) and output current) Output with USB interface and identification resistor, a single Lithium battery can be boosted to 5V to charge your phone Has over current protection and short circuit protection(input 15A fuse), safe to use Application: DIY a stabilized power supply, charge your electronic devices, stabilize Voltage for solar panel and etc
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Features Raspberry Pi Night Vision Camera, supports all revisions of the Pi 5 megapixel OV5647 sensor Camera specifications CCD size : 1/4inch Aperture (F) : 1.8 Focal Length : 3.6MM (adjustable) Diagonal : 75.7 degree Sensor best resolution : 1080p 4 screw holes Used for attachment Provides 3.3V power output Supports connecting infrared LED and/or fill flash LED Dimension : 25mm x 24mm
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'-U-BLOX NEO-6M module with high-gain active antenna; -TTL level, compatible with 3V/5V systems; -Baud rate: 9600kbps (default), adjustable by u-center; -Provided IPX interface for different active antennas; -Provided rechargeable battery backup, enabling to save ephemeris data on power down; -Support hot start.
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Working voltage: 4.5V to 5.5 V. Transmit tube pressure drop: Vf = 1.6 V Transmit tube current: 20 mA Signal output: A, B two way; The TTL level Distinguish precision: 0.01 mm Measurement frequency, 100 KHZ Encoder diameter: 24 mm Encoder type D hole diameter: 4 mm The encoder resolution: 20 line Speed measuring sensor configuration: The configuration can measures 1 road motor speed