From fd5a1457cb95b9814bee1be4d33178dddce81355 Mon Sep 17 00:00:00 2001 From: Matrixchung Date: Thu, 5 Jan 2023 13:16:55 +0800 Subject: [PATCH] Update notices and warning --- library.properties | 2 +- readme.md | 10 ++++++++-- 2 files changed, 9 insertions(+), 3 deletions(-) diff --git a/library.properties b/library.properties index 2a7fa1f..5bbc8b2 100644 --- a/library.properties +++ b/library.properties @@ -2,7 +2,7 @@ name=SFM-V1.7 version=1.0.1 author=Matrixchung maintainer=Matrixchung -sentence=Interfacing to the SFM-V1.7 Fingerprint Sensor +sentence=Interfacing to the SFM-V1.7 Fingerprint Sensor for ESP32 platform paragraph=Enables full control for SFM-V1.7, a fingerprint sensor which is famous in Chinese market category=Sensors url=https://github.com/Matrixchung/SFM-V1.7 diff --git a/readme.md b/readme.md index d031df0..2bc9759 100644 --- a/readme.md +++ b/readme.md @@ -1,5 +1,11 @@ -# SFM-V1.7 Fingerprint Driver for Arduino +# SFM-V1.7 Fingerprint Driver for ESP32-Arduino * Provides support for "SFM-V1.7" Fingerprint module. -* See examples and source code for more detailed information. \ No newline at end of file +* See examples and source code for more detailed information. + +## Notice + +* If your MCU's GPIO port can't provide heavy current, I suggest connecting the SFM_VCC (Fingerprint VCC, green wire) directly to the 3.3V VIN without controlling the touch recognition part's power state, which does make a little bit more power consumption. + +* The module works at 3.3V electricity level, which means connecting it directly to the 5V GPIO port may result in malfunction and/or circuit damage. \ No newline at end of file