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| author | Dean Camera <dean@fourwalledcubicle.com> | 2011-06-30 12:27:01 +0000 |
|---|---|---|
| committer | Dean Camera <dean@fourwalledcubicle.com> | 2011-06-30 12:27:01 +0000 |
| commit | b1625400998819846288e02a780b2b5ab14da143 (patch) | |
| tree | 319c8a2dccbd65ec9bc23b45f4e43b361a17b173 /Projects/RelayBoard | |
| parent | 5a580c6854a54126d830ba89c6719f482f0fc2f1 (diff) | |
| download | lufa-b1625400998819846288e02a780b2b5ab14da143.tar.gz lufa-b1625400998819846288e02a780b2b5ab14da143.tar.bz2 lufa-b1625400998819846288e02a780b2b5ab14da143.zip | |
Minor documentation fix for the RelayBoard project.
Diffstat (limited to 'Projects/RelayBoard')
| -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 1becfbb9f..ce84c27ea 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. * |