Esp8266 12f bom file download

I bought it from Aliexpress. It is just tiny chip with no USB. Do you get any lights flashing on the USB to serial converter? If not then select a different serial port.

Also you need to have specific pins set at specific logic states. Ignore the deep sleep resistor connection. GPIO0 burn must be low, then do a reset and the blue light on the module should flash once. Then try loading the sketch. Start by soldering the ESP on the adapter. Then solder the pins. See my next Instructable. Power un the power supply.

Some data will be displayed. This data is from the ESP startup itself. The data looks like : ets Jan 8 ,rst cause:2, boot mode: 3,6 load 0x, len , room 16 tail 0 chksum 0x63 load 0x3ffe, len , room 8 Now switch the baud rate to Dec 2 OK.

Close putty if not done already. You will get output looking like: ets Jan 8 ,rst cause:2, boot mode: 3,6 load 0x, len , room 16 tail 0 chksum 0x63 load 0x3ffe, len , room 8 tail 0 chksum 0x02 load 0x3ffe, len , room 8 tail 0 chksum 0x79 csum 0x79 2nd boot version : 1. Select "NodeMCU 1. In all of the following examples, I am going to use the simple "Blink" sketch.

There are a couple of different options depending on the board type and the tools you have. Required components:. The 3. You need to use an external 3. Full automatic reset - if your USB-to-serial adapter has RTS output available, you can wire up fully automatic connections.

After a successful upload, it will reset again, and your program will run. Simple manual reset - some simpler adapter modules do not bring the RTS signal out as an accessible output even though the USB-to-serial chip on the board probably has it.

Otherwise, the ESP will not run. You can make your life easier by soldering the module onto an adapter board. The flashing is showing the progress. Once finished it will say "Leaving A little test: run Arduino Serial Monitor at bauds. Reset the ESPF. Jun 13 OK. There are several versions of the firmware: AT v0.

Picture 1 Press flash, reset and click download, release reset as in Ai-Thinker flashing. The flashing should start writting to flash Picture 2. When finished you will get something like Picture 3. Open Arduino IDE. Open Serial Monitor. Reset ESP. Version should be: AT version