toitlang/toit

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Program your microcontrollers in a fast and robust high-level language.

Stars: 1.4k
Forks: 90
Open beginner issues: 0
Indexed issues: 60
Avg merge: 1d 8h
Merged PRs (30d): 49

Dominant language: Toit
License: LGPL-2.1
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 20, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue help wanted

Beginner friendly Everything

Open All

60 open issues indexed

Linux host TCP descriptors are inherited across host.pipe.fork Open

Difficulty 4/5 3-5 days Newbie friendliness 68/100

toitlang/toit#3106 · Opened Jul 22, 2026
RFE: Object-capability based security Open

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

toitlang/toit#3023 · 1 comment · Opened Apr 7, 2026
Write-i32-le missing from i2c.registers Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

toitlang/toit#2982 · Opened Jan 3, 2026
Potential deadlock detected: Primitive: 18:1 in 2.0.0-alpha.180 Open

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

toitlang/toit#2823 · Opened May 20, 2025
Propagated types are incorrect for non-local branches Open

toitlang/toit#2810 · 1 assignee · Opened May 13, 2025
Why not provide installation support for debian based distros? Open

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

toitlang/toit#2771 · 2 comments · Opened Apr 20, 2025
EPS32C6 Guru Meditation Error: Core 0 panic'ed (Store access fault). Exception was unhandled. Open

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

toitlang/toit#2768 · 5 comments · Opened Apr 15, 2025
Try/finally not counted as definite assignment Open

toitlang/toit#2758 · 4 comments · 1 assignee · Opened Mar 31, 2025
Race condition with the TLS thread Open

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

toitlang/toit#2749 · 1 comment · Opened Mar 25, 2025
BLE + WiFi Scan + UDP = crash Open

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

toitlang/toit#2714 · Opened Feb 17, 2025
Issues with I2C deadlocks Open

toitlang/toit#2700 · 8 comments · 1 assignee · Opened Jan 30, 2025
wake up by ulp from deep sleep? Open

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

toitlang/toit#2696 · 4 comments · Opened Jan 17, 2025
block or non-block ? I don't understand Open

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

toitlang/toit#2613 · 1 comment · Opened Nov 7, 2024
fwiw my new mistakes Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

toitlang/toit#2173 · 5 comments · Opened Mar 21, 2024
print is println? Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

toitlang/toit#2142 · 19 comments · Opened Mar 13, 2024
On Windows: Toit can't read symbolic links that have "/" in the target-path. Open

toitlang/toit#2090 · 1 comment · 1 assignee · Opened Feb 16, 2024
Compiler doesn't infer type of loop variable for while loops Open

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

toitlang/toit#1815 · 1 comment · Opened Sep 18, 2023
Espnow tutorials needed Open

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

toitlang/toit#1806 · 3 comments · Opened Sep 13, 2023
We don't catch when null is assigned to a non-nulllable (inferred) variable Open

toitlang/toit#1738 · 1 assignee · Opened Aug 9, 2023
Firmware should report an error when the envelope doesn't fit into the partitions Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

toitlang/toit#1705 · 1 reaction · Opened Jul 17, 2023
Container dependencies Open

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

toitlang/toit#1699 · Opened Jul 17, 2023
The touch sensor is missing a way to wait for touches Open

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

toitlang/toit#1682 · Opened Jun 28, 2023
espnow doesn't give correct error messages Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

toitlang/toit#1611 · Opened May 9, 2023
support wpa2-enterprise Open

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

toitlang/toit#1576 · Opened Apr 25, 2023
piping from/to subprocesses is extremely slow on Windows Open

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

toitlang/toit#1568 · Opened Apr 21, 2023
Implement cross-compilation Open

toitlang/toit#1507 · 1 assignee · Opened Mar 21, 2023
mkdtemp doesn't work with chdir and relative paths Open

toitlang/toit#1477 · 1 comment · 1 assignee · Opened Mar 9, 2023
On Windows, argv[0] and the executable name cannot differ Open

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

toitlang/toit#1404 · Opened Feb 3, 2023
Windows long file paths not supported Open

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

toitlang/toit#1402 · Opened Feb 3, 2023
Crash when closing socket with unconsumed input after network is closed Open

bug critical platform-freertos

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

toitlang/toit#1390 · Opened Jan 31, 2023
Time on Windows doesn't deal with dates before 1970 Open

bug good first issue platform-windows

Difficulty 4/5 3-5 days Newbie friendliness 42/100

toitlang/toit#1369 · Opened Jan 23, 2023
Time.from_string is limited Open

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

toitlang/toit#1324 · Opened Jan 5, 2023
Return type of interfaces isn't checked correctly Open

toitlang/toit#1261 · 1 assignee · Opened Dec 7, 2022
Wrong parameter type for some at.session.Session calls Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

toitlang/toit#1226 · 1 comment · Opened Nov 28, 2022
Optimize access to elements of list slices Open

enhancement

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

toitlang/toit#1084 · Opened Oct 2, 2022
Support large lists and maps in encoding.tison Open

bug good first issue

toitlang/toit#1083 · 1 comment · 1 assignee · Opened Oct 2, 2022
Toitdoc does not contain the inferred type for globals Open

toitlang/toit#964 · 1 assignee · Opened Aug 18, 2022
Manual shutdown for Sequans cellular modem on Gpy before going into deep sleep Open

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

toitlang/toit#900 · 3 comments · Opened Jul 28, 2022
http server gets stuck when there are too many connections Open

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

toitlang/toit#868 · 1 comment · Opened Jul 14, 2022
Toitdoc code-section parser needs improvement. Open

bug compiler

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

toitlang/toit#571 · Opened Mar 15, 2022
Add mDNS support Open

enhancement

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

toitlang/toit#562 · 3 reactions · Opened Mar 11, 2022
Could gpio.Pin.wait_for return the value of how long it waited? Open

enhancement platform-freertos

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

toitlang/toit#491 · 2 comments · Opened Feb 22, 2022
The compiler should give a warning when a parameter is named like a type in interfaces/abstracts Open

enhancement good first issue

Difficulty 4/5 3-5 days Newbie friendliness 42/100

toitlang/toit#478 · 1 comment · Opened Feb 21, 2022
A finally body should not be allowed to return Open

enhancement

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

toitlang/toit#376 · 4 comments · Opened Jan 28, 2022
Error message for bad types in number operations should be improved Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 35/100

toitlang/toit#375 · 1 comment · Opened Jan 28, 2022
LSP server should inform client of broken package-lock files Open

enhancement

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

toitlang/toit#374 · Opened Jan 28, 2022
Add `binary.HOST_ENDIAN` Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

toitlang/toit#346 · 1 comment · Opened Jan 23, 2022
file-test has valgrind errors Open

cleanup

toitlang/toit#326 · 1 comment · 1 assignee · Opened Jan 20, 2022
Parameters that shadow fields don't give warnings Open

cleanup compiler

Difficulty 4/5 3-5 days Newbie friendliness 20/100

toitlang/toit#317 · Opened Jan 18, 2022
The 'operator []=' should not have a return type Open

cleanup compiler

Difficulty 3/5 1-2 days Newbie friendliness 30/100

toitlang/toit#311 · Opened Jan 16, 2022

toitlang/toit

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