Quantity   Component name
2 × Particle Photon An arduino on steroids with built-in WiFi and cloud connectivity.
1 × Nextion 5" Display Nextion takes the difficulty out of driving an LCD and makes it more like a .net form. Send simple commands such as txtPower.text="200 Wh" to write to the screen.
1 × DHT22 With a Photon outside logging power it's easy to add temperature and humidity with the DHT22
1 × TLS257 Light to voltage sensor used to measure the led pulses on the electricity meter.
1 × Duck tape There's always a use for it in every project.