From a014384155c89905ebbff390b577d36dec0a5eb4 Mon Sep 17 00:00:00 2001 From: catalyst Date: Sat, 18 Oct 2025 10:43:16 +0000 Subject: [PATCH] Update README.md --- README.md | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/README.md b/README.md index a403f54..7557888 100644 --- a/README.md +++ b/README.md @@ -35,7 +35,10 @@ Attached are images and a file that can be opened in the Fritzing software (from ### Workings -Q1 and Q2 are the BC547 transitor. Alternatilvy the equivalent 2N2222A can be used, it has slightly more gain than the BC547. However, the 2N2222A will have to be mounted rotated 180 degrees as it's pin out is the other way round than that of the BC547. +Q1 and Q2 are the BC547 transitor. Alternatilvy the equivalent 2N2222A can be used, it has slightly more gain than the BC547. + +> [!IMPORTANT] +> If you decide to use the 2N2222A, you will have to be mount it rotated 180 degrees as it's pin out is the other way round than that of the BC547. The blinking interval is determined by the values of the two 100 kΩ resistors and that of the two capacitors as per the formula: T = R x C