diff options
| author | Dean <Dean@d5102386-fcda-11dd-9fdb-3debd5008f28> | 2011-06-30 12:27:01 +0000 |
|---|---|---|
| committer | Dean <Dean@d5102386-fcda-11dd-9fdb-3debd5008f28> | 2011-06-30 12:27:01 +0000 |
| commit | 8a322bc60a7aa9fee876c01093dc31ce0effc959 (patch) | |
| tree | 319c8a2dccbd65ec9bc23b45f4e43b361a17b173 | |
| parent | cd1f21fd43d87abec3e3491ed8328e43b3e972cf (diff) | |
Minor documentation fix for the RelayBoard project.
git-svn-id: http://lufa-lib.googlecode.com/svn/trunk@1836 d5102386-fcda-11dd-9fdb-3debd5008f28
| -rw-r--r-- | Projects/RelayBoard/RelayBoard.txt | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Projects/RelayBoard/RelayBoard.txt b/Projects/RelayBoard/RelayBoard.txt index 1becfbb9..ce84c27e 100644 --- a/Projects/RelayBoard/RelayBoard.txt +++ b/Projects/RelayBoard/RelayBoard.txt @@ -50,8 +50,8 @@ * * Relays 1 to 4 are respectively wired to pins C4, C5, C6 and C7 of the Teensy++ V2, * which are the PORTC bits 4 to 7 of the AT90USB1286. The relays MUST be wired through - * a transistor, and a diode must be added on the relay's contact pins to protect - * the transistor from back EMF generated from the relay when the coil is turned off. + * a transistor, and a diode must be added in antiparallel on the relay's coil pins to + * protect the transistor from back EMF generated from the relay when the coil is turned off. * The transistor base pin is wired to the Teensy data port through a 10K resistor. A * LED may be also be added as a relay status indicator on each channel. * |