All the relevant items can be purchased from www.electrodragon.com! items used in here including:
- ESP-07 with on board status LED (ESP-12 LED will not work for arduino blink sketch)
- ESP breakout board
- CH340 USB-TTL programmer
- breadboard and a few jumper wires.
First try with default AT commands firmware, using esp flash download tool, test with “Cool term” serial monitor tool:
Flash for Nodemcu firmware, use nodemcu flasher, flashing speed set to 115200, you can see the TX/RX LED blinking in turns on CH340 board:
Flash arduino firmware, it is no matter what is the built in interpreter, the arduino IDE will rewrite all, on this esp-07 board, LED will blink after flashed the firmware.