XNUCLEO-F103RB, Improved STM32 NUCLEO Board
- Core: ARM® 32-bit Cortex™-M3
- Operating frequency: 72MHz
- Operating voltage: 2.0V-3.6V
- Package: LQFP64
- Memories : 128kB Flash, 20kB SRAM
- Interfaces : 2 x SPI, 3 x USART, 2 x I2C, 1 x CAN, 1 x USB
- AD/DA : 2 x AD (12 bit, 16 channels)
- Compatible with NUCLEO-F103RB, onboard Cortex-M3 microcontroller STM32F103RBT6
- Arduino connectivity support, easy to connect with various Arduino shields and access the massive Arduino resources
- ST Morpho headers provide full access to all STM32 I/Os, easy for peripheral expansion
- Supports mbed, build a prototype quickly by mbed SDK and online tools
- Comprehensive free software HAL library including a variety of software examples
- Comes with a separated ST-LINK/V2 module
Speech Recognition System HM2007
- Input Voltage:9 to 15 V DC
- Use a commonly available 12V 500ma DC Adapter
- Output Data :8 bits at 5V Logic Level
- Any microcontroller like 8051, PIC or AVR can be interfaced to data port to interpret and implement specialized applications
- Self-contained standalone speech recognition circuit
- User-programmable
- Up to 20-word vocabulary of duration two-second each
- Multi-lingual
- Non-volatile memory back up with 3V battery on board. Will keep the speech recognition data in memory even after power off.
- Easily interfaced to control external circuits & appliances
6 Inch 350w 36v Brushless E-bike Wheels Scooter Hub Motor
Leadshine DM542
- Good high-speed performance
- Supply voltage up to +50VDC
- Output current up to 4.2A
- Pulse frequency up to 300 KHz
- Extremely cost-effective
- Automatic idle-current reduction
- 3-state current control technology
- Self-adjustment technology
- Pure-sinusoidal current control technology
- TTL compatible and optically isolated input
- 15 selectable resolutions in decimal and binary, up to 25,600 steps/rev
- Suitable for 2-phase and 4-phase motors
- DIP switch current setting with 8 different values
- Support PUL/DIR and CW/CCW modes
- Short-voltage, over-voltage, over-current protection
5” TFT for Raspberry PI
- Display Size: 5″
- Resolution: 800 x 480 pixel
- Supply Voltage: 5V @1A
- Touch: 4-wire resistive touch
- LCD DRIVER IC: ILI9486L
- Refresh rate:60HZ
- Good touch response
- Large viewing angle
- Fast response time
- Support backlight control for low power consumption
- Compatible with Raspberry Pi 3, Pi2, Model B/B+
- Not only for Raspberry Pi
- Not only for mini-PCs, it can also work as a computer monitor
- The monitor can work with standard HDMI devices (adjust output resolution to 800*480),
- Touch function is only available for Raspbian and Ubuntu systems.
- Touch panel function not supported---Retropie, Windows 10
- LCD Size:11mm*77.93mm
- Weight:175g
Waveshare 5inch HDMI LCD (B) 800×480
- 800x480 high hardware resolution
- Resistive touch control
- Supports popular mini PCs such as Raspberry Pi, BB Black, as well as general desktop computers
- When works with Raspberry Pi, supports Raspbian/Ubuntu/Kali/Retropie/WIN10 IOT, driver free
- When working as a computer monitor, supports Windows 10/8.1/8/7, single touch, and driver free
- The backlight can be turned off to lower power consumption
- 5mm audio jack speaker provided and supports HDMI audio output
- Supports popular game consoles like Microsoft XBOX360 Sony PS4 and Nintendo Switch etc.
- Multi languages OSD menu for power management brightness/contrast adjustment etc.
- Also supports VGA input(specific cable is required and should be purchased separately)
- Dimensions:18 x 10 x 9 cm
- Weight: 200 Grams
DP50V5A Constant Voltage current Step-down Programmable Power Supply Module
• Model: DP50V5A.
• Input voltage range: 6V to 55 V.
• Output voltage range: 0.00 to 50 V.
• Output current: 0.000-5.000A.
• Output power range: 00.00-250.0W.
• Open size: 71mm x 39mm.
• Output voltage resolution: 0.01V.
• Output current resolution: 0.001A.
• Output Voltage accuracy: ± (0.5% + 1 digits).
• Output Current accuracy: ± (0.5% + 2 digit).
• Dimension: 79 x 43 x 48mm
• Weight: 78g.