diff --git a/README.md b/README.md
index 9c41f5385e6d49bc00a4e90e5f86fda7b1266331..ac7ddfc756d17f9b942f787c92233e30a84b5b3e 100644
--- a/README.md
+++ b/README.md
@@ -1,23 +1,27 @@
-#Luftmeter
+# Luftmeter
V1
+* [test software](testfirmware/)
+* [PCB](PCB/)
+
+
+
## ESP32
braaaaaaain...
-##Sensors
+## Sensors
* SCD30: CO2, rH, T
* HDC2080: rH, T
* MS563702BA03-50: barometer
* ...
-## Misc
+## Interfaces
* USB-Interface: CP2102 - TTY over USB (CP210x driver)
-* Fan control: direct power PWM (5V, GND switched) or standard 4-pin PC-fan header
-* RGB-LEDs (what else)
-* internal extension headers (SPI, I2C, )
+* internal extension headers (SPI (for SDcard), I2C, )
* external expansion (RJ45: 3V3, 5V, I2C)
+## Misc
+* Fan control: direct power PWM (5V, GND switched) or standard 4-pin PC-fan header
+* RGB-LEDs (what else)
-[test software](testfirmware/)
-[PCB](PCB/)
diff --git a/luftmeter_v1.ino b/luftmeter_v1.ino
deleted file mode 100644
index 175a9cd536127c426695e17fe073a764f9e01bc0..0000000000000000000000000000000000000000
--- a/luftmeter_v1.ino
+++ /dev/null
@@ -1,409 +0,0 @@
-
-#define HDC2080
-#define AVAIL_SCD30
-#define BAROSENSOR
-//#define RGB_LEDS_AVAILABLE
-#define ADS1119_AVAIL
-#define SDCARD_AVAIL
-
-#include <Wire.h>
-#include <BaroSensor.h>
-#include "paulvha_SCD30.h"
-#include <FastLED.h>
-#include "FS.h"
-#include "SD.h"
-#include "SPI.h"
-
-// use first channel of 16 channels (started from zero)
-#define LEDC_CHANNEL_0 0
-
-// use 13 bit precission for LEDC timer
-#define LEDC_TIMER_13_BIT 13
-
-// use 5000 Hz as a LEDC base frequency
-#define LEDC_BASE_FREQ 16000
-
-#define FAN_PIN 17
-
-#define ADS1119_ADDR 0x4c
-
-
-void writeReg_hdc(uint8_t reg, uint8_t data);
-float readHumidity_hdc(void);
-float readTemp_hdc(void);
-
-
-void ads1119_write_reg(uint8_t reg, uint8_t data);
-uint8_t ads1119_read_reg(uint8_t reg);
-int16_t ads1119_read_data(void);
-void ads1119_start_conversion(void);
-void ads1119_set_channel(uint8_t chan);
-void ads1119_powerdown(void);
-
-void listDir(fs::FS &fs, const char * dirname, uint8_t levels);
-
-
-#ifdef AVAIL_SCD30
-SCD30 airSensor;
-#endif
-
-
-#ifdef RGB_LEDS_AVAILABLE
-#define DATA_PIN 14
-#define NUM_LEDS 8
-CRGB leds[NUM_LEDS];
-#endif
-
-void setup() {
- // put your setup code here, to run once:
-
- #ifdef RGB_LEDS_AVAILABLE
- FastLED.addLeds<WS2812, DATA_PIN, GRB>(leds, NUM_LEDS); // GRB ordering is typical
- leds[0] = CRGB::Blue;
- leds[7] = CRGB::Blue;
- FastLED.show();
- #endif
-
- Serial.begin(115200);
- Wire.begin();
-
- #ifdef HDC2080
- //setup hdc2080
- writeReg_hdc(0x0E, 0x80);
- delay(100);
- writeReg_hdc(0x0E, 0x50);
- writeReg_hdc(0x0F, 0x01);
- #endif
-
- #ifdef BAROSENSOR
- //Barosensor
- BaroSensor.begin();
- #endif
-
- #ifdef AVAIL_SCD30
- //SCD30
- airSensor.begin(Wire); //This will cause readings to occur every two seconds
-
- //TODO get pressure
- //airSensor.setAmbientPressure((uint16_t)(press_bmp/100));
- #endif
-
- //fancontrol
- ledcSetup(LEDC_CHANNEL_0, LEDC_BASE_FREQ, LEDC_TIMER_13_BIT);
- ledcAttachPin(FAN_PIN, LEDC_CHANNEL_0);
-
- ledcWrite(LEDC_CHANNEL_0,5000);
-
- #ifdef ADS1119_AVAIL
- ads1119_start_conversion();
- #endif
-
- #ifdef SDCARD_AVAIL
- if(!SD.begin()){
- Serial.println("Card Mount Failed");
- return;
- }
- uint8_t cardType = SD.cardType();
-
- if(cardType == CARD_NONE){
- Serial.println("No SD card attached");
- return;
- }
-
- Serial.print("SD Card Type: ");
- if(cardType == CARD_MMC){
- Serial.println("MMC");
- } else if(cardType == CARD_SD){
- Serial.println("SDSC");
- } else if(cardType == CARD_SDHC){
- Serial.println("SDHC");
- } else {
- Serial.println("UNKNOWN");
- }
-
- uint64_t cardSize = SD.cardSize() / (1024 * 1024);
- Serial.printf("SD Card Size: %lluMB\n", cardSize);
-
- listDir(SD, "/", 0);
- #endif
-
-
-
-}
-
-void loop() {
-
-#ifdef AVAIL_SCD30
- static int i = 1995;
- int n = 0;
- int co2 = 0;
-
- if (airSensor.dataAvailable())
- {
- co2 = airSensor.getCO2();
-
- Serial.print("CO2: ");
- Serial.print(co2);
- Serial.print("ppm, rH: ");
- Serial.print(airSensor.getHumidity());
- Serial.print("%, Temperatur (CO2): ");
- Serial.print(airSensor.getTemperature());
- Serial.println("°C");
-
- #ifdef RGB_LEDS_AVAILABLE
-
- leds[0] = CRGB::Black;
- leds[1] = CRGB::Black;
- leds[2] = CRGB::Black;
- leds[3] = CRGB::Black;
- leds[4] = CRGB::Black;
- leds[5] = CRGB::Black;
- leds[6] = CRGB::Black;
- leds[7] = CRGB::Black;
-
- leds[0] = CHSV( HUE_GREEN, 255, 60);
- if (co2 > 600)
- leds[1] = CHSV( HUE_GREEN, 255, 60);
- if (co2 > 750)
- leds[2] = CHSV( HUE_GREEN, 255, 60);
- if (co2 > 900)
- leds[3] = CHSV( HUE_YELLOW, 255, 60);
- if (co2 > 1050)
- leds[4] = CHSV( HUE_YELLOW, 255, 60);
- if (co2 > 1200)
- leds[5] = CHSV( HUE_RED, 255, 60);
- if (co2 > 1500)
- leds[6] = CHSV( HUE_RED, 255, 60);
- if (co2 > 2000)
- leds[7] = CHSV( HUE_RED, 255, 60);
-
- FastLED.show();
- #endif
-
-
-#endif
-
-#ifdef HDC2080
- Serial.print("rel. Feuchtigkeit: ");
- Serial.print(readHumidity_hdc());
- Serial.println("%");
- Serial.print("Temperatur (humi): ");
- Serial.print(readTemp_hdc());
- Serial.println("°C");
-#endif
-
-#ifdef BAROSENSOR
- Serial.print("Temperatur (baro): ");
- Serial.print(BaroSensor.getTemperature());
- Serial.println("°C");
-
- Serial.print("Luftdruck: ");
- Serial.print(BaroSensor.getPressure());
- Serial.println("hPa");
-#endif
-
-
- #ifdef ADS1119_AVAIL
- Serial.print("NO2 raw data: ");
- Serial.print(ads1119_read_data());
- Serial.println(" Arb");
- #endif
-
-
- Serial.println();
- Serial.println();
-
-#ifdef SDCARD_AVAIL
- File file = SD.open("/log.txt", FILE_APPEND);
- file.print("lol\n");
- file.close();
-#endif
-
-
-#ifdef AVAIL_SCD30
- }
-
- i++;
- if (i>2000)
- {
- i= 0;
- airSensor.setAmbientPressure((uint16_t)(BaroSensor.getPressure()));
- Serial.println("Set CO2 air pressure reference");
- Serial.print(BaroSensor.getPressure());
- Serial.println("hPa");
- }
-#endif
-
-
- #ifdef ADS1119_AVAIL
- ads1119_start_conversion();
- #endif
-
- delay(1000);
-
-}
-
-
-
-/************************* HDC2080 ********************************************/
-void writeReg_hdc(uint8_t reg, uint8_t data)
-{
-
- Wire.beginTransmission(0x40); // Open Device addr 0x40
- Wire.write(reg); // Point to register
- Wire.write(data); // Write data to register
- Wire.endTransmission(1); // Relinquish bus control
-
-}
-
-uint8_t readReg_hdc(uint8_t reg)
-{
- Wire.beginTransmission(0x40); // Connect to HDC2080
- Wire.write(reg); // point to specified register
- Wire.endTransmission(0);
- //delay(2);
- uint8_t reading=0; // holds byte of read data
- Wire.requestFrom(0x40, 1, 1); // Request 1 byte from open register
- //Wire.endTransmission(); // Relinquish bus control
-
- if (1 <= Wire.available())
- {
- reading = (Wire.read()); // Read byte
- }
- return reading;
-}
-
-#define TEMP_LOW 0x00
-#define TEMP_HIGH 0x01
-#define HUMID_LOW 0x02
-#define HUMID_HIGH 0x03
-
-float readHumidity_hdc(void)
-{
- uint8_t byte[2];
- uint16_t humidity;
- byte[0] = readReg_hdc(HUMID_LOW);
- byte[1] = readReg_hdc(HUMID_HIGH);
-
- humidity = (unsigned int)byte[1] << 8 | byte[0];
-
- return (float)(humidity)/( 65536 )* 100;
-
-}
-
-float readTemp_hdc(void)
-{
- uint8_t byte[2];
- uint16_t temp;
- byte[0] = readReg_hdc(TEMP_LOW);
- byte[1] = readReg_hdc(TEMP_HIGH);
-
- temp = (unsigned int)byte[1] << 8 | byte[0];
-
- return (float)(temp) * 165 / 65536 - 40;
-
-}
-
-
-
-
-void ads1119_write_reg(uint8_t reg, uint8_t data)
-{
- Wire.beginTransmission(ADS1119_ADDR); // Open Device
- Wire.write(0x40+4*reg); // command register
- Wire.write(data); // Write data to register
- Wire.endTransmission(1); // Relinquish bus control
-
-}
-
-
-uint8_t ads1119_read_reg(uint8_t reg)
-{
- Wire.beginTransmission(ADS1119_ADDR); // Open Device
- Wire.write(0x20+4*reg); // command register
- Wire.endTransmission(0);
- //delay(2);
- uint8_t reading=0; // holds byte of read data
- Wire.requestFrom(0x40, 1, 1); // Request 1 byte from open register
- //Wire.endTransmission(); // Relinquish bus control
-
- if (1 <= Wire.available())
- {
- reading = (Wire.read()); // Read byte
- }
- return reading;
-
-}
-
-
-int16_t ads1119_read_data(void)
-{
- Wire.beginTransmission(ADS1119_ADDR); // Open Device
- Wire.write(0x10); // command register
- Wire.endTransmission(0);
- //delay(2);
- uint8_t dat0=0; // holds byte of read data
- uint8_t dat1=0; // holds byte of read data
-
- Wire.requestFrom(0x40, 2, 1); // Request 2 byte from open register
- //Wire.endTransmission(); // Relinquish bus control
-
- if (1 <= Wire.available())
- {
- dat0 = (Wire.read()); // Read byte
- dat1 = (Wire.read()); // Read byte
- }
- return (int16_t)((((uint16_t)dat0)<<8)|dat1);
-
-}
-
-void ads1119_start_conversion(void)
-{
- Wire.beginTransmission(ADS1119_ADDR); // Open Device
- Wire.write(0x08); // command register
- Wire.endTransmission(1); // Relinquish bus control
-}
-
-void ads1119_powerdown(void)
-{
- Wire.beginTransmission(ADS1119_ADDR); // Open Device
- Wire.write(0x02); // command register
- Wire.endTransmission(1); // Relinquish bus control
-}
-
-void ads1119_set_channel(uint8_t chan)
-{
- uint8_t reg = ads1119_read_reg(0);
- ads1119_write_reg(0,(reg& 0x1F) | (chan<<5));
-}
-
-void listDir(fs::FS &fs, const char * dirname, uint8_t levels){
- Serial.printf("Listing directory: %s\n", dirname);
-
- File root = fs.open(dirname);
- if(!root){
- Serial.println("Failed to open directory");
- return;
- }
- if(!root.isDirectory()){
- Serial.println("Not a directory");
- return;
- }
-
- File file = root.openNextFile();
- while(file){
- if(file.isDirectory()){
- Serial.print(" DIR : ");
- Serial.println(file.name());
- if(levels){
- listDir(fs, file.name(), levels -1);
- }
- } else {
- Serial.print(" FILE: ");
- Serial.print(file.name());
- Serial.print(" SIZE: ");
- Serial.println(file.size());
- }
- file = root.openNextFile();
- }
-}