Differences
This shows you the differences between two versions of the page.
| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| boards:megapi [2023/10/06 16:56] – [Pinout] darron | boards:megapi [2023/10/11 17:13] (current) – darron | ||
|---|---|---|---|
| Line 6: | Line 6: | ||
| </ | </ | ||
| - | This board can connect directly to a Raspberry Pi or work | + | This board contains an ATmega2560 and is compatible with [[: |
| - | standalone. | + | |
| + | It can connect directly to a Raspberry Pi or work standalone. | ||
| Power applied to the DC input jack may be between 6V and | Power applied to the DC input jack may be between 6V and | ||
| Line 65: | Line 66: | ||
| NB Disable system login console on Pi to enable AVR UART2 comms. | NB Disable system login console on Pi to enable AVR UART2 comms. | ||
| - | == Motors | + | == Motor I/O == |
| __GPIO__ | __GPIO__ | ||
| Line 91: | Line 92: | ||
| </ | </ | ||
| - | __NEMA17__ | + | === Motor wiring === |
| + | |||
| + | __NEMA__ | ||
| Left to right (socket pointing upward) | Left to right (socket pointing upward) | ||
| - | This may actually be reversed. | + | This may actually be reversed |
| < | < | ||
| Line 106: | Line 109: | ||
| </ | </ | ||
| - | My `generic' | + | __MOTOR__ |
| + | |||
| + | A `generic' | ||
| < | < | ||
| Line 114: | Line 119: | ||
| B+ BLACK | B+ BLACK | ||
| </ | </ | ||
| + | |||
| + | My generic cable has the two centre pins twisted. | ||
| __PORT__ | __PORT__ | ||
| Line 121: | Line 128: | ||
| < | < | ||
| B+ B- A- A+ | B+ B- A- A+ | ||
| - | B2 B1 A1 A2 | ||
| </ | </ | ||
| + | |||
| + | Wiring as per above will result in correct shaft direction. Reverse wiring or swap one pair of wires to rectify incorrect direction. | ||
| ===Resources=== | ===Resources=== | ||
| Line 138: | Line 146: | ||
| [[https:// | [[https:// | ||
| + | |||
| + | [[http:// | ||
| [[https:// | [[https:// | ||
