From 8595274f9012cc8008260aab09f2c67ac4ed743d Mon Sep 17 00:00:00 2001 From: Cellie Date: Wed, 16 Dec 2020 14:21:57 +0100 Subject: [PATCH] Update README.md --- README.md | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/README.md b/README.md index 7fe68fa..6737d7f 100644 --- a/README.md +++ b/README.md @@ -2,12 +2,14 @@ ## About -`smartMeterLogger-esp32` connects to a smart meter (slimme meter) and logs the electricity use per minute to an sdcard. +`smartMeterLogger-esp32` connects to a smart meter (slimme meter) and logs the electricity use per minute to an sdcard. Saved data can be viewed in a html5 compatible browser. (phone/laptop/desktop) ![overzicht vandaag android](img/screenshot_android_vandaag.png) + ![huidig](img/screenshot_pc.png) + ![overzicht vandaag pc](img/screenshot_vandaag_pc.png) ## How to use @@ -49,6 +51,12 @@ Below you can see how to enable the external antenna. Move the zero ohm resistor See [this LilyGo issue](https://github.com/LilyGO/ESP32-MINI-32-V1.3/issues/4#issuecomment-610394847) about the external antenna. +### SD card reader + +![card reader](img/sdboard.png) + +Using the default pins. + ### Level shifter / inverter To invert and level shift the signal you can use a bc547 transistor with some resistors. For example like this: