From 0ff3e85c4388754e7713151b7ab4e9e2ec673ce0 Mon Sep 17 00:00:00 2001 From: Daniel H Date: Fri, 7 Jul 2023 16:34:24 +0200 Subject: [PATCH] Update README.md --- README.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/README.md b/README.md index f359cae..d2bb297 100644 --- a/README.md +++ b/README.md @@ -28,7 +28,7 @@ there, as 99MHz FM is is in the FM radio bands. MAKE SURE YOUR ANTENNA IS SMALL! There is also a MUCH STRONGER harmonic at ~155.726MHz FM, in the 2m amateur radio band. PLEASE, PLEASE, PLEASE don't use a large enough antenna for it to be able to send that very far. And this signal will actually reach FURTHER than the AM one because it -is a shorter wavelength and therefore sends better using a short antenna. ***__PLEASE add the low pass filter I described.__*** +is a shorter wavelength and therefore sends better using a short antenna. ***__If you want to use a longer antenna, PLEASE add the low pass filter I described, it fixes the noise enough for big antennas to be fine.__*** ## How it works @@ -49,7 +49,7 @@ It has the following jobs: - **An extra resistor of about 50-400 ohms may be added from the AI+ point to the AI- point to load the signal.** This is optional, but *can* clean up a little bit of noise if you have long cables. -**ERRATA :warning:**
+**IMPORTANT :warning:**
If you aren't an asshole, ***PLEASE*** add the low pass filter as mentioned in the Disclaimer: - Add the 100ohm resistor (R3 in new schematic) between pico and antenna - Wire a 2nF (2000pF) capacitor (C1 in new schematic) between the new start of the antenna and ground