Uploaded May 2017 | Updated September 2026, 14 hours ago

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Controlling 4 relays via Nodemcu and the Amazon Echo, build cost under £10

program
webinfusion.co.uk/arduino/echo.zip

Code based on Kakopappa's code
github.com/kakopappa/arduino-esp8266-alexa-multiple-wemo-switch

My Youtube setup
Microphone Blue Yetti
Camera setup
Camera 1 SJCAM SJ4000
Camera 2 SJCAM SJ4000+
Camera 3 Ipad mini2
Camera 4 JVC JVC TK-C1381
Camera 5 Kodak Pixpro SP360 4K
Camera 6 Kodak Pixpro SP360 4K

Microscope setup
Navitar 1-60123
Navitar 1-6010 Adaptor
Camera JVC TK-C1381
Capture card Easycap DC60 Composite Video
Sharp Aquos S-video monitor

Soldering Equipment
Iron + desoldering CSI 701A
Hot Air Blackjack BK4050