MicroPython is developed using git for source code management, and the master repository can be found on GitHub at github.com/micropython/micropython.
The full source-code distribution of the latest version is available for download here:
Daily snapshots of the GitHub repository (not including submodules) are available from this server:
Firmware for various microcontroller ports and boards are built automatically on a daily basis and can be found below.
Filter by:
    Port:
        
            
                alif, 
            
                cc3200, 
            
                esp32, 
            
                esp8266, 
            
                mimxrt, 
            
                nrf, 
            
                renesas-ra, 
            
                rp2, 
            
                samd, 
            
                stm32
            
        
    
    Feature:
        
            USB High Speed Phy [x]
        
    
    Vendor:
        
            
                Actinius, 
            
                Adafruit, 
            
                Alif Semiconductor, 
            
                Arduino, 
            
                BBC, 
            
                Espressif, 
            
                Espruino, 
            
                Ezurio, 
            
                Fez, 
            
                George Robotics, 
            
                HydraBus, 
            
                I-SYST, 
            
                LEGO, 
            
                LILYGO, 
            
                LimiFrog, 
            
                M5Stack, 
            
                Machdyne, 
            
                Makerdiary, 
            
                McHobby, 
            
                Microchip, 
            
                MikroElektronika, 
            
                MiniFig Boards, 
            
                NXP, 
            
                Netduino, 
            
                Nordic Semiconductor, 
            
                Olimex, 
            
                PJRC, 
            
                Particle, 
            
                Pimoroni, 
            
                Pololu, 
            
                Pycom, 
            
                Raspberry Pi, 
            
                Renesas Electronics, 
            
                ST Microelectronics, 
            
                Seeed Studio, 
            
                Silicognition, 
            
                Silicognition LLC, 
            
                SparkFun, 
            
                Unexpected Maker, 
            
                VCC-GND Studio, 
            
                Vekatech, 
            
                WIZnet, 
            
                WeAct, 
            
                WeAct Studio, 
            
                Wemos, 
            
                Wireless-Tag, 
            
                nullbits, 
            
                u-blox
            
        
    
    MCU:
        
            
                AE722F80F55D5XX, 
            
                RA6M5, 
            
                cc3200, 
            
                esp32, 
            
                esp32c2, 
            
                esp32c3, 
            
                esp32c6, 
            
                esp32s2, 
            
                esp32s3, 
            
                esp8266, 
            
                mimxrt, 
            
                nrf51, 
            
                nrf52, 
            
                nrf91, 
            
                ra4m1, 
            
                ra4w1, 
            
                ra6m1, 
            
                ra6m2, 
            
                ra6m5, 
            
                rp2040, 
            
                rp2350, 
            
                samd21, 
            
                samd51, 
            
                stm32f0, 
            
                stm32f4, 
            
                stm32f411, 
            
                stm32f7, 
            
                stm32g0, 
            
                stm32g4, 
            
                stm32h5, 
            
                stm32h7, 
            
                stm32l0, 
            
                stm32l1, 
            
                stm32l4, 
            
                stm32u5, 
            
                stm32wb, 
            
                stm32wl