From OpenSCADAWiki
- ...t through GPIO, mostly it's [[Special:MyLanguage/Modules/GPIO|Raspberry PI BCM2835 GPIO]].<br/>531 bytes (66 words) - 19:14, 5 April 2020
- ...oftSPI by GPIO, mostly it's [[Special:MyLanguage/Modules/GPIO|Raspberry PI BCM2835 GPIO]].<br/>527 bytes (61 words) - 19:14, 5 April 2020
- ...5 x 8 Dots, by the direct ([[Special:MyLanguage/Modules/GPIO|Raspberry PI BCM2835 GPIO]]) or I2C (PCF8574) wiring.<br/>494 bytes (65 words) - 19:14, 5 April 2020