Vender Pumiwei MicroPython pyboard v1.1 python programming development board CL al mejor precio

STM32F405RG microcontroller 168 MHz Cortex M4 CPU with hardware floating point 1024KiB flash ROM and 192KiB RAM Micro USB connector for power and serial communication Micro SD card slot, supporting standard and high capacity SD cards 3-axis accelerometer (MMA7660) Real time clock with optional battery backup 24 GPIO on left and right edges and 5 GPIO on bottom row, plus LED and switch GPIO available on bottom row 3x 12-bit analog to digital converters, available on 16 pins, 4 with analog ground shielding 2x 12-bit digital to analog (DAC) converters, available on pins X5 and X6 4 LEDs (red, green, yellow and blue) 1 reset and 1 user switch On-board 3.3V LDO voltage regulator, capable of supplying up to 250mA, input voltage range 3.6V to 16V DFU bootloader in ROM for easy upgrading of firmware The two mounting tabs on the pyboard have perforations so that you can snap them off cleanly if needed. This pyboard comes in a small plastic ESD (anti-static) box. Differences between PYBv1.0 and PYBv1.1: high-speed crystal changed from 8MHz to 12MHz; LDO changed from MCP1802 to MCP1703; USB VBUS power diode replaced with silicon diode; JST battery connector pads added with protection FET. Note:with Patterned and without pattern random shipping