From a9b70858ad42c3232e214450cc92e4541592388a Mon Sep 17 00:00:00 2001 From: Mikhail Grushinskiy Date: Fri, 29 Nov 2024 13:31:53 -0500 Subject: [PATCH] Update README.md --- bbn_m5atomS3_lite_alternator_freq_to_RPM/README.md | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/bbn_m5atomS3_lite_alternator_freq_to_RPM/README.md b/bbn_m5atomS3_lite_alternator_freq_to_RPM/README.md index 450ff3d..cd0bfa8 100644 --- a/bbn_m5atomS3_lite_alternator_freq_to_RPM/README.md +++ b/bbn_m5atomS3_lite_alternator_freq_to_RPM/README.md @@ -18,3 +18,14 @@ There are different variations of the board for 12V input signal or 24V with dif Select appropriate one for your alternator voltage. Alternator has a terminal marked 'W' which gives a sine wave form of the alternator output. + +## Connections + +Input from alternator: +- Alternator ground to Board '-' INPUT on 2-pin terminal +- Alternator 'W' to Board '+' INPUT on 2-pin terminal + +Output to esp32: +- Board 3-pin output terminal GND to esp32 GND +- Board 3-pin output terminal VCC to esp32 3.3v +- Board 3-pin output terminal OUT to some analog input pin on esp32