![[TMT] Use multiple analog sensors on an ESP8266 @BrianLough](https://i.ytimg.com/vi/S5zp_S3vo1Y/maxresdefault.jpg)
Uploaded February 2017 | Updated September 2026, 2 weeks ago
A quick guide on how to use a 4051 Multiplexer with your ESP8266 in order to use more than one analog sensor.
If you have any questions or comments please let me know.
Github Example:
github.com/witnessmenow/ESP8266-4051-Multiplexer-Example
Multiplexers:
rover.ebay.com/rover/1/5282-53468-19255-0/1?icep_id=114&ipn=icep&toolid=20004&campid=5338037665&mpre=http%3A%2F%2Fwww.ebay.ie%2Fitm%2F10PCS-IC-MUX-DEMUX-8X1-16DIP-SN74HC4051-74HC4051-NEW-%2F311503477945%3Fhash%3Ditem48870ddcb9%3Ag%3AXIgAAOSwnipWbBG4
Esp8266 Modules:
Wemos D1 Mini (Clone - the one in the video): http://s.click.aliexpress.com/e/uzFUnIe
Wemos D1 Mini: aliexpress.com/item/D1-mini-Mini-NodeMcu-4M-bytes-Lua-WIFI-Internet-of-Things-development-board-based-ESP8266/32529101036.html
NodeMCU: http://s.click.aliexpress.com/e/AAyvJiA
A quick guide on how to use a 4051 Multiplexer with your ESP8266 in order to use more than one analog sensor.
If you have any questions or comments please let me know.
Github Example:
github.com/witnessmenow/ESP8266-4051-Multiplexer-Example
Multiplexers:
rover.ebay.com/rover/1/5282-53468-19255-0/1?icep_id=114&ipn=icep&toolid=20004&campid=5338037665&mpre=http%3A%2F%2Fwww.ebay.ie%2Fitm%2F10PCS-IC-MUX-DEMUX-8X1-16DIP-SN74HC4051-74HC4051-NEW-%2F311503477945%3Fhash%3Ditem48870ddcb9%3Ag%3AXIgAAOSwnipWbBG4
Esp8266 Modules:
Wemos D1 Mini (Clone - the one in the video): http://s.click.aliexpress.com/e/uzFUnIe
Wemos D1 Mini: aliexpress.com/item/D1-mini-Mini-NodeMcu-4M-bytes-Lua-WIFI-Internet-of-Things-development-board-based-ESP8266/32529101036.html
NodeMCU: http://s.click.aliexpress.com/e/AAyvJiA
![[TMT] Use multiple analog sensors on an ESP8266](https://i.ytimg.com/vi/S5zp_S3vo1Y/mqdefault.jpg "[TMT] Use multiple analog sensors on an ESP8266
A quick guide on how to use a 4051 Multiplexer with your ESP8266 in order to use more than one analog sensor.
If you have any questions or comments please let me know.
Github Example:
https://github.com/witnessmenow/ESP8266-4051-Multiplexer-Example
Multiplexers:
https://rover.ebay.com/rover/1/5282-53468-19255-0/1?icep_id=114&ipn=icep&toolid=20004&campid=5338037665&mpre=http%3A%2F%2Fwww.ebay.ie%2Fitm%2F10PCS-IC-MUX-DEMUX-8X1-16DIP-SN74HC4051-74HC4051-NEW-%2F311503477945%3Fhash%3Ditem48870ddcb9%3Ag%3AXIgAAOSwnipWbBG4
Esp8266 Modules:
Wemos D1 Mini (Clone - the one in the video): http://s.click.aliexpress.com/e/uzFUnIe
Wemos D1 Mini: https://www.aliexpress.com/item/D1-mini-Mini-NodeMcu-4M-bytes-Lua-WIFI-Internet-of-Things-development-board-based-ESP8266/32529101036.html
NodeMCU: http://s.click.aliexpress.com/e/AAyvJiA")
