Once it’s connected, you can release the Sonoff button. While holding down the button on the Sonoff (long black pin next to led), connect the USB to your computer.
USB-TTL converter (up to down) wire setting:īe sure the 4 wires are connected correctly between the 2 devices. If flashing the firmware is not working, you have to switch the RX/TX wires, in my case the yellow and purple wires). In the most online tutorials the jumperwires are in different order, but in my case the purple and yellow are switched, (This is explaned there too. Connecting wiresĬonnect the jumper wires between the Sonoff and the USB-TTL converter as following: I’ve connected the USB-TTL converter – without any wires connected- once to my computer, so I was sure the device is recognised correctly, and a COM-port was visible in device manager. At least 4 jumper wires to connect the Sonoff headers to the USB_TTL (which are male connectors).USB-TTL converter ( CP2102 serial converter chip) 6 pins TTL connector for 3,3V, RST,TXD, RXD, GND and 5V.Those are not delivered with the Sonoff, but you have to solder at least 4 headers to the pcb Solder headers (male or female, it’s up to you).Sonoff R1 (wifi only, I don’t have the version with RF 433 Mhz).
#Esp8266 firmware options how to#
I did a search on the internet en some guys were able to flash the ‘esp easy’ firmware to it ?ĭo a search on Youtube like “sonoff esp easy” and you will find many tutorials how to accomplish this. I don’t like the cloud when it comes to control and or monitor my smart home.
Standard it will be delivered with a Chinese app, which means the ‘cloud’ is necessary to operate this device. It’s a ESP8266 based WiFi wireless switch that can connect to appliance of different types and brands. Sonoff is a cost effective smart home solution designed and produced by ITEAD. Sonoff, a (smart) wifi switch, which you can buy for appr. 6 dollars on several Chinese websites.