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micropython

4 indexed repositories · View on GitHub

micropython
MicroPython - a lean and efficient Python implementation for microcontrollers and constrained systems

C · 22074 stars
micropython-lib
Core Python libraries ported to MicroPython

Python · 2855 stars
micropython-esp32-ulp
ESP32 ULP Co-Processor toolchain implemented in MicroPython

Python · 142 stars
micropython-media

Shell · 13 stars

Beginner friendly Everything

Open All

requests: HTTP/1.1 response bodies and max_body limit Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

micropython/micropython-lib#1118 · 1 comment · Opened Jun 1, 2026
docs: Lack of documentation about configuring the micropython before compiling. Open

docs needs-info

Difficulty 4/5 3-5 days Newbie friendliness 45/100

micropython/micropython#19283 · 1 comment · Opened May 30, 2026
mp_obj_new_float returns 0 Open

bug port-rp2

Difficulty 4/5 3-5 days Newbie friendliness 45/100

micropython/micropython#19279 · 1 comment · Opened May 30, 2026
mpy-ld incorrectly merging literals (esp32) across source files Open

bug tools

Difficulty 4/5 3-5 days Newbie friendliness 52/100

micropython/micropython#19276 · 7 comments · Opened May 28, 2026
esp32.gpio_deep_sleep_hold not defined for esp32c6 Open

bug port-esp32

micropython/micropython#19208 · 3 comments · 1 reaction · 2 assignees · Opened May 10, 2026
mpremote rm -r : behavior in the presence of ROMFS Open

enhancement tools

Difficulty 3/5 1-2 days Newbie friendliness 65/100

micropython/micropython#19199 · Opened May 7, 2026
(possible) uctypes.UINT8 does not overflow Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 48/100

micropython/micropython#19192 · 6 comments · Opened May 6, 2026
RP2350 PIO MOV PINDIRS as destination is wrongly mapped Open

bug port-rp2

Difficulty 3/5 1-2 days Newbie friendliness 58/100

micropython/micropython#19187 · 5 comments · Opened May 4, 2026
rp2/spi: Add argument for DMA. Open

enhancement port-rp2

Difficulty 4/5 3-5 days Newbie friendliness 52/100

micropython/micropython#19186 · Opened May 4, 2026
esp32/network_lan: Add default arguments for network.LAN() Open

enhancement port-esp32

Difficulty 4/5 3-5 days Newbie friendliness 48/100

micropython/micropython#19181 · 1 reaction · Opened May 4, 2026
esp32 p4 uart count exceeds the limit Open

bug needs-info port-esp32

Difficulty 3/5 1-2 days Newbie friendliness 45/100

micropython/micropython#19153 · 3 comments · Opened Apr 25, 2026
json.dumps super-linear slowdown on large lists (100× slower than N individual calls) Open

enhancement py-core

Difficulty 4/5 3-5 days Newbie friendliness 45/100

micropython/micropython#19147 · 3 comments · Opened Apr 23, 2026
3-arg pow() rejects bool in base, exponent, or modulus position Open

bug py-core

Difficulty 3/5 1-2 days Newbie friendliness 72/100

micropython/micropython#19144 · 2 comments · Opened Apr 23, 2026
3-arg pow() with negative exponent silently returns 0 instead of computing modular inverse Open

bug py-core

Difficulty 4/5 3-5 days Newbie friendliness 52/100

micropython/micropython#19143 · 2 comments · Opened Apr 23, 2026
fun_bc_call: unbounded alloca when heap allocation of VM state fails Open

bug py-core

Difficulty 3/5 1-2 days Newbie friendliness 55/100

micropython/micropython#19129 · Opened Apr 20, 2026
suspicious: MP_PLAT_FREE_EXEC appears unreachable Open

bug port-unix

Difficulty 4/5 3-5 days Newbie friendliness 48/100

micropython/micropython#19116 · 1 comment · Opened Apr 16, 2026
RP2040 I2C0 readfrom_mem fails with EIO in v1.27.0 (Pico W) Open

bug port-rp2

Difficulty 4/5 3-5 days Newbie friendliness 52/100

micropython/micropython#19087 · 3 comments · Opened Apr 12, 2026
ESP32 USB-CDC: Mounted VFS fails with write timeout under heavy load Open

bug port-esp32

Difficulty 4/5 3-5 days Newbie friendliness 48/100

micropython/micropython#19086 · Opened Apr 12, 2026
RMT function outputs corrupt frames when using with "loop" function Open

bug port-esp32

Difficulty 4/5 3-5 days Newbie friendliness 48/100

micropython/micropython#19085 · 3 comments · Opened Apr 11, 2026
modio: crash when write inappropriately enlarges buf via slice assignment Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

micropython/micropython#19075 · Opened Apr 9, 2026
Deprecate `machine.Pin` constants with duplicate behaviour. Open

enhancement ports

Difficulty 4/5 3-5 days Newbie friendliness 48/100

micropython/micropython#19072 · 2 comments · Opened Apr 9, 2026
Crash parsing invalid Python code ending with backslash Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 68/100

micropython/micropython#19061 · Opened Apr 8, 2026
crash with @micropython.viper decorator Open

bug py-core

Difficulty 4/5 3-5 days Newbie friendliness 55/100

micropython/micropython#19059 · 1 comment · Opened Apr 8, 2026
sys.settrace test fails when run against python versions >3.12 Open

bug py-core tests

Difficulty 3/5 1-2 days Newbie friendliness 68/100

micropython/micropython#19044 · 1 comment · Opened Apr 5, 2026
esp32/network_lan: Default EMAC LAN() arguments per board. Open

enhancement port-esp32

Difficulty 4/5 3-5 days Newbie friendliness 45/100

micropython/micropython#19037 · Opened Apr 3, 2026
esp32/ldo: Can't recreate adjustable LDO after soft reboot. Open

bug port-esp32

Difficulty 4/5 3-5 days Newbie friendliness 55/100

micropython/micropython#19008 · 1 comment · Opened Mar 27, 2026
After enabling the Soft-AP (hotspot) for a few days (up to 7 days), the device exhibits a "connected but no actual connection" issue: Open

needs-info port-esp32

Difficulty 4/5 3-5 days Newbie friendliness 35/100

micropython/micropython#19002 · 2 comments · Opened Mar 27, 2026
OpenMV Feature: Upstreaming patches Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

micropython/micropython#18969 · 8 comments · Opened Mar 21, 2026
OpenMV Feature: Multi-level init/deinit system Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 20/100

micropython/micropython#18968 · Opened Mar 21, 2026
OpenMV Feature: Memory map support Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 30/100

micropython/micropython#18967 · 1 comment · Opened Mar 21, 2026
OpenMV Feature: SPITarget Support in Machine Module Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

micropython/micropython#18963 · Opened Mar 21, 2026
Implement tomllib Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

micropython/micropython-lib#1097 · 8 comments · Opened Mar 19, 2026
stm32lib: ST not adding new parts. Open

enhancement port-stm32

Difficulty 5/5 Over a week Newbie friendliness 25/100

micropython/micropython#18935 · 7 comments · Opened Mar 16, 2026
STM32 H563 I2C TIMINGR Add Open

enhancement port-stm32

Difficulty 2/5 1-3 hours Newbie friendliness 52/100

micropython/micropython#18934 · 2 comments · Opened Mar 16, 2026
Chunked responses in aiohttp result in an attempt to allocate a 4 gigabyte buffer… and maybe it doesn't actually work anyway? Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

micropython/micropython-lib#1093 · 1 comment · 1 reaction · Opened Mar 10, 2026
Utf8-Issue Open

bug tools unicode

Difficulty 4/5 3-5 days Newbie friendliness 25/100

micropython/micropython#18887 · 1 comment · Opened Mar 3, 2026
cmake: Route usermod sources through native port build systems. Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

micropython/micropython#18880 · 1 comment · Opened Mar 2, 2026
tests: thread/stress_heap.py intermittent failure on macOS Open

tests

Difficulty 3/5 1-2 days Newbie friendliness 15/100

micropython/micropython#18870 · Opened Feb 25, 2026
tests: extmod/time_time_ns.py intermittent failure due to CI runner clock precision Open

github-actions tests

Difficulty 2/5 1-3 hours Newbie friendliness 52/100

micropython/micropython#18869 · Opened Feb 25, 2026
tests: cmdline/repl_lock.py and repl_cont.py intermittent failures Open

tests

Difficulty 4/5 3-5 days Newbie friendliness 35/100

micropython/micropython#18868 · Opened Feb 25, 2026
tests: thread stress tests intermittent failures under QEMU (stress_aes, stress_recurse, stress_schedule) Open

tests

Difficulty 4/5 3-5 days Newbie friendliness 35/100

micropython/micropython#18867 · Opened Feb 25, 2026
tests: thread/thread_gc1.py intermittent failure on CI Open

tests

Difficulty 5/5 Over a week Newbie friendliness 25/100

micropython/micropython#18866 · Opened Feb 25, 2026
Still no IPv4 Hostname advertisement with stock LwIP and stock mDNS IPv6 does however. Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

micropython/micropython#18851 · 1 comment · Opened Feb 20, 2026
Enabling DUPTERM on Unix kills output to stderr Open

bug port-unix

Difficulty 3/5 1-2 days Newbie friendliness 52/100

micropython/micropython#18837 · 2 comments · Opened Feb 18, 2026
ports/zephyr fails to compile with CONFIG_BT=y : 'CONFIG_BT_DEVICE_NAME_MAX' undeclared Open

bug port-zephyr

Difficulty 3/5 1-2 days Newbie friendliness 45/100

micropython/micropython#18820 · 5 comments · Opened Feb 15, 2026
RP2 asyncio stream IO hangs: regression Open

bug port-rp2

Difficulty 4/5 3-5 days Newbie friendliness 45/100

micropython/micropython#18811 · 6 comments · Opened Feb 13, 2026
requests: guard against getaddrinfo() hang when WiFi not connected Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

micropython/micropython-lib#1078 · 1 comment · Opened Feb 9, 2026
http://micropython.org/resources/code-dashboard/ shows zeros since April 24th , 2025 Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

micropython/micropython#18781 · Opened Feb 5, 2026
PPP DNS Resolution Error in Micropython 1.27 Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

micropython/micropython#18737 · 15 comments · Opened Jan 28, 2026
zephyr/mphalport: Scheduled callbacks not processed during time.sleep_ms() on TrustZone NS builds Open

port-zephyr

Difficulty 3/5 1-2 days Newbie friendliness 58/100

micropython/micropython#18729 · Opened Jan 27, 2026

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