Decision Workspace
calliope-mini vs microbit-v2 vs nrf-hal-common
Side-by-side comparison of Rust crates
43
calliope-mini
growingv0.3.0
Board support crate for the Calliope mini
56
microbit-v2
growingv0.16.0
Board support crate for the BBC Micro:bit V2
54
nrf-hal-common
growingv0.19.0
Implementation details of the nRF HAL crates. Don't use this directly, use one of the specific HAL crates instead (`nrfXYZ-hal`).
Core Metrics
| calliope-mini | microbit-v2 | nrf-hal-common | |
|---|---|---|---|
| Health Score | 43 | 56 | 54 |
| Total Downloads | 4.0K | 89.6K | 250.7K |
| 30d Downloads | 0 | 2.6K | 8.4K |
| Dependents | 0 | 63 | 139 |
| Releases | 4 | 9 | 17 |
| Last Updated | 487d ago | 226d ago | 226d ago |
| Age | 2y 1m | 5y | 6y |
Health Breakdown
calliope-mini
Maintenance
5
Quality
16
Community
6
Popularity
4
Documentation
12
microbit-v2
Maintenance
7
Quality
16
Community
16
Popularity
6
Documentation
11
nrf-hal-common
Maintenance
7
Quality
15
Community
17
Popularity
6
Documentation
9
Technical Details
| calliope-mini | microbit-v2 | nrf-hal-common | |
|---|---|---|---|
| Version | 0.3.0 | 0.16.0 | 0.19.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | 0BSD | MIT OR Apache-2.0 |
| Dependencies | 4 | 1 | 26 |
| Crate Size | 17KB | 6KB | 93KB |
| Features | 4 | 1 | 12 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2018 | 2018 |
| MSRV | 1.79 | 1.79.0 | — |
| Owners | 1 | 2 (team) | 2 (team) |
Links
Quick Verdict
- •microbit-v2 leads with a health score of 56/100, but none of the options score above 80.
- •nrf-hal-common has the most downloads (250.7K), suggesting wider adoption.
- •nrf-hal-common is depended on by 139 crates — strongest ecosystem trust.
- •⚠ calliope-mini has not been updated in over a year.