From 6bd5363385dc7d787f91b9264367cb54a82042b8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andr=C3=A1s=20Retzler?= Date: Wed, 11 Nov 2015 01:05:42 +0100 Subject: [PATCH] Update README.md --- README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/README.md b/README.md index b39895b..ddef4c0 100644 --- a/README.md +++ b/README.md @@ -17,7 +17,7 @@ This document is about using [GNU Radio](#using-a-raspberry-pi-as-remote-softwar * [Using ADPCM codec to decrease network usage while streaming](#using-adpcm-codec-to-decrease-network-usage-while-streaming)

-![Warning](/images/lpf-warning.png?raw=true) +![Warning](/images/bpf-warning.png?raw=true)

The output of the Raspberry Pi GPIO 18 is a square wave, which contains harmonics.
For example, if you transmit on 28 MHz, you will also transmit on: