From 12195d5b8b457bfab0b6b347add3c4bb64e537ef Mon Sep 17 00:00:00 2001
From: e2002 <e2002@bk.ru>
Date: Mon, 7 Feb 2022 15:53:45 +0300
Subject: [PATCH] hardware

---
 README.md         | 41 +++++++++++++++++++++++++++++++++++++++++
 yoRadio/options.h |  1 -
 2 files changed, 41 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index b11f8d2..fa7277d 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,47 @@
 
 #### Web-radio based on [ESP32-audioI2S](https://github.com/schreibfaul1/ESP32-audioI2S) library
 #### More images in [Images.md](Images.md)
+### Hardware
+#### Required:
+**ESP32 board**: https://aliexpress.ru/item/32847027609.html\
+**I2S DAC**, roughly like this one: https://aliexpress.ru/item/1005001993192815.html
+#### Optional:
+##### Displays
+- **ST7735** 1.8' or 1.44' https://aliexpress.ru/item/1005002822797745.html
+- or **SSD1306** 0.96' I2C https://aliexpress.ru/item/1005001621806398.html
+##### Controls
+Three tact buttons or Encoder or all together
+### Connection table
+| SPI Display | ESP-32 |
+| ------ | ------ |
+| GND | GND |
+| VCC | +5v |
+| SCL | 18 |
+| SDA | 23 |
+| CSL | 5* |
+| RSTL | 15* |
+| DCL | 4* |
+
+| I2C Display | ESP-32 |
+| ------ | ------ |
+| GND | GND |
+| VCC | +5v |
+| SDA | 13* |
+| SCL | 14* |
+
+| I2S DAC | ESP-32 |
+| ------ | ------ |
+| GND       | GND |
+| VIN       | +5v |
+| DOUT(DIN) | 27* |
+| BCLK      | 26* |
+| LRC(WSEL) | 25* |
+
+| Buttons, Encoder | ESP-32 |
+| ------ | ------ |
+| GND       | GND |
+| PIN       | * |
+\* Any free pin, configured in options.h
 ## Version history
 ### v0.4.180
 - Vol steps 0..256 (in ESP32-audioI2S)
diff --git a/yoRadio/options.h b/yoRadio/options.h
index 894db4e..a8f7abc 100644
--- a/yoRadio/options.h
+++ b/yoRadio/options.h
@@ -17,7 +17,6 @@
 #define TFT_RST       15   // Or set to -1 and connect to Arduino RESET pin
 //#define TFT_RST    -1    // we use the seesaw for resetting to save a pin
 #define TFT_DC        4
-
 /*
  * OLED I2C DISPLAY
  */