From c6e4f0e2ba09edff741944614e87e190240e7677 Mon Sep 17 00:00:00 2001 From: RogueM Date: Fri, 6 Nov 2015 17:42:12 +0000 Subject: [PATCH] corrections and cleaning up --- src/en-GB/overlay/iqaudio-pi-dac.md | 40 +++++++++++++++-------------- 1 file changed, 21 insertions(+), 19 deletions(-) diff --git a/src/en-GB/overlay/iqaudio-pi-dac.md b/src/en-GB/overlay/iqaudio-pi-dac.md index 2702e14..a325745 100644 --- a/src/en-GB/overlay/iqaudio-pi-dac.md +++ b/src/en-GB/overlay/iqaudio-pi-dac.md @@ -1,33 +1,33 @@ @@ -35,11 +35,13 @@ pin: The Pi-DAC+ takes the digital audio signals (I2S) from the Raspberry Pi and through the onboard Texas Instruments PCM5122 DAC delivers variable output (hardware volume -control) analog audio to the Pi-DAC+’s Phono connectors. The PI-DAC+ also, via the +control) analog audio to the Pi-DAC+ Phono connectors. The PI-DAC+ also, via the Texas Instruments TPA6133A headphone amp, supports the direct use of headphones via -the Pi-DAC+’s 3.5mm audio jack. +the Pi-DAC+ 3.5mm audio jack. The Pi Dac uses GPIO22 to mute/unmute the Pi-AMP+. You can use GPIO25 to connect an IR sensor and GPIO23/24 for a rotary encoder. Both of -these parts are optional, but are broken out on the Pi-DAC+ for convinient access. +these parts are optional, but are broken out on the Pi-DAC+ for convenient access. + +Note: pins marked as optional can be used for general purpose if those add-ons are not enabled by software.