Nico van der Dussen wrote:Hi,
I'm new to the ESP8266
I want to use it with the Arduino IDE.
I have a CP2102 and a separate 3.3V power source (I tested - can deliver 500mA without voltage dropping)
Can I connect the CP2102 TX/RX/RST/DTR pins straight to the ESP8266 or must I use a 5V/3.3V level shifter?
I'm configuring the hardware according to the Minimal hardware Setup for Bootloading and usage on https://github.com/esp8266/Arduino
If you take a look at the articles below you will find a detailed description with pictures of a CP2102 USB adapter that is working very well with ESP Modules. Despite the fact that ESP07 modules can be programmed and working OK using CP2102 Modules 3.3V power (at least the ones that I have had in my hand), I will suggest, for the sake of stability, to use a separate 500mA+ 3.3V PSU.
Cheap and Dirty Development Board - Ghetto Style
Firmware programming - ESP8266 Modules
Available on Tindie: https://www.tindie.com/products/nEXT_EVO1/universal-ac-mains-dimmer-mpdmv41/