From 7a936257819346610e12323add9a429bf0985e2c Mon Sep 17 00:00:00 2001 From: Kuba <132459354+KubaPro010@users.noreply.github.com> Date: Sat, 11 Nov 2023 19:41:47 +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 db20f0f..c3a8eb7 100644 --- a/README.md +++ b/README.md @@ -47,7 +47,7 @@ sudo reboot | Pi3B|OK| | Pi3B+|OK| | Pi3A+|OK| -| Pi4|In beta mode| +| Pi4|Partial (system may crash completly)| Plug a wire on GPIO 4, means Pin 7 of the GPIO header ([header P1](http://elinux.org/RPi_Low-level_peripherals#General_Purpose_Input.2FOutput_.28GPIO.29)). This acts as the antenna. The optimal length of the wire depends the frequency you want to transmit on, but it works with a few centimeters for local testing. (Use https://www.southwestantennas.com/calculator/antenna-wavelength to calculate the lenght, make sure to use the 1/4 wave setting, as for 1/2 wave you'd need a impedance transformator, and these are not cheap [also yes, i learned it the hard way after having to cut my antenna])