Tasmota Flash Oukitel P2 Plug

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Tasmota oukitel p2 plug.jpg

Oukitel P2, also know as Merisny P2, is a 16A rated WiFi controllable plug. It can be purchased for 12USD on Banggood. It is based on the ESP8266 MCU. Works flawlessly with the Tasmota firmware.

Wiring

Tasmota oukitel p2 plug wiring top.jpg Tasmota oukitel p2 plug wiring overview.jpg

Esptool

Download the Esptool to erase and flash the Tasmota firmware.

Erase flash

Change the right serial-port, e.g. /dev/tty.usbserial-A98AVCSI

user$ ./esptool.py --port /dev/tty.usbserial-A98AVCSI erase_flash
esptool.py v2.5.1
Serial port /dev/tty.usbserial-A98AVCSI
Connecting....
Detecting chip type... ESP8266
Chip is ESP8285
Features: WiFi, Embedded Flash
MAC: 2c:f4:32:c9:d1:91
Uploading stub...
Running stub...
Stub running...
Erasing flash (this may take a while)...
Chip erase completed successfully in 3.7s
Hard resetting via RTS pin...
user$

Now, unplug and plug-in the ground pin from the serial-adapter to reset the ESP MCU. If the following step does not work, try disabling the 3V3 pin instead - as the sudden external power up might not put the MCU in the upload right state.

Upload firmware

Download the latest Tasmota firmware (tasmota.bin)

user$ ./esptool.py --port /dev/tty.usbserial-A98AVCSI write_flash -fs 1MB -fm dout 0x0 tasmota.bin 
esptool.py v2.5.1
Serial port /dev/tty.usbserial-A98AVCSI
Connecting........_____....._____....._____....._
Detecting chip type... ESP8266
Chip is ESP8285
Features: WiFi, Embedded Flash
MAC: 2c:f4:32:c9:d1:91
Uploading stub...
Running stub...
Stub running...
Configuring flash size...
Compressed 575616 bytes to 396460...
Wrote 575616 bytes (396460 compressed) at 0x00000000 in 35.4 seconds (effective 130.1 kbit/s)...
Hash of data verified.

Leaving...
Hard resetting via RTS pin...
user$

Setup

Connect to the device over Wifi as any regular Tasmota device and configure the template to the following:

{"NAME":"Oukitel P2","GPIO":[0,0,52,0,0,0,0,0,0,17,0,21,0],"FLAG":1,"BASE":18}