Decision Workspace
gpio-expander vs rpi-pal vs rppal
Side-by-side comparison of Rust crates
35
gpio-expander
growingv0.1.0
A platform-independent driver for interacting with the products GPIO Port Expander (Troyka Module), Troyka HAT and Slot Expander Expansion Board
60
rpi-pal
experimentalv0.22.3
Interface for the Raspberry Pi's GPIO, I2C, PWM, SPI and UART peripherals.
59
rppal
growingv0.22.1
Interface for the Raspberry Pi's GPIO, I2C, PWM, SPI and UART peripherals.
Core Metrics
| gpio-expander | rpi-pal | rppal | |
|---|---|---|---|
| Health Score | 35 | 60 | 59 |
| Total Downloads | 1.6K | 1.3K | 708.7K |
| 30d Downloads | 3 | 102 | 50.6K |
| Dependents | 0 | 0 | 720 |
| Releases | 1 | 3 | 36 |
| Last Updated | 1389d ago | 11d ago | 472d ago |
| Age | 3y 9m | 8m | 9y |
Health Breakdown
gpio-expander
Maintenance
1
Quality
14
Community
6
Popularity
4
Documentation
10
rpi-pal
Maintenance
18
Quality
15
Community
8
Popularity
4
Documentation
15
rppal
Maintenance
7
Quality
16
Community
14
Popularity
7
Documentation
15
Technical Details
| gpio-expander | rpi-pal | rppal | |
|---|---|---|---|
| Version | 0.1.0 | 0.22.3 | 0.22.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT/Apache-2.0 | MIT | MIT |
| Dependencies | 4 | 9 | 8 |
| Crate Size | 15KB | 87KB | 86KB |
| Features | 0 | 6 | 6 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | 1.60 | 1.60 |
| Owners | 1 | 2 | 1 |
Links
Quick Verdict
- •rpi-pal leads with a health score of 60/100, but none of the options score above 80.
- •rppal has the most downloads (708.7K), suggesting wider adoption.
- •rppal is depended on by 720 crates — strongest ecosystem trust.
- •⚠ gpio-expander, rppal have not been updated in over a year.