ESP8266 (without Arduino)

Hi guys.

I am building an carrier board for ESP8266 ESP-03. Main purpose of this board is, to be able to connect diferrent sensors to ESP8266 with minor changes on this carrier board - just different staffing of components.
I noticed that some projects are combined with arduino. Now i wonder if there is a chance to do this with out it. For example BMP180 pressure sensor conneted directly to ESP8266.

Thanks for now.

You can use standalone ESP8266. See examples in iot-playground.com/build at ESP8266 (ESP8266 Arduino IDE, without Arduino) section.
In 'ESP8266 and Arduino IDE - blink example' there are basic info and how to.
You can have some problems with I2C but it should work: esp8266.com

I saw those examples. What am i trying to say why to use ESP with arduino if ESP can works standalone.
For example, i do not see point of using arduino when using BMP180, since ESP has its own hardware I2C.

I would like to do all those projects just with ESP8266, is that possible, since I am more hardware guy than software?

Thanks.

Yes you can do it with ESP8266 only.
As in ESP8266 WiFi PIR motion sensor or ESP8266 WiFi gas sensor examples.
Using Arduino is not mandatory, but sometimes necessary(e.g. you need more AnalogInputs/Outputs, your project is too big for ESP(lack of memory)).
But in your case standalone ESP and BMP180 should work fine.

Connect a MCP23017 (i2c) only 2 pin's and you have a lot of I/O

Hi I'm trying something similar myself using the HTU21D temperature/humidity sensor with ESP 8266 but I'm having problems getting the data within easyiot as well as multiples i.e. PIR sensor and gas sensor on one ESP 8266 can anyone explain how to do this or has an example that might be able to help.