# 10 - Creation of the PV router with a TTGO-Tdisplay

The creation of the Pv router with the card adapted for the TTGO Tdisplay is currently the fastest

[![image-1648140294690.jpg](https://pvrouteur.apper-solaire.org/uploads/images/gallery/2022-03/scaled-1680-/image-1648140294690.jpg)](https://pvrouteur.apper-solaire.org/uploads/images/gallery/2022-03/image-1648140294690.jpg)

this card can be ordered from the [APPER association](https://www.helloasso.com/associations/apper/formulaires/4), and its purchase is considered a donation and therefore partially tax deductible.

The rest of the components can be ordered from various component suppliers. ([Aliexpress](https://fr.aliexpress.com/item/33048962331.html), [Amazon](https://amzn.to/3wyeFcy)...)

The display: TTGO Tdisplay

[![image-1648139842187.png](https://pvrouteur.apper-solaire.org/uploads/images/gallery/2022-03/scaled-1680-/image-1648139842187.png)](https://pvrouteur.apper-solaire.org/uploads/images/gallery/2022-03/image-1648139842187.png)

[Amazon](https://amzn.to/3wyeFcy)...

**the probe SCT013-30A**

[Amazon](https://amzn.to/3CtCHqi)

[![image-1648139910136.png](https://pvrouteur.apper-solaire.org/uploads/images/gallery/2022-03/scaled-1680-/image-1648139910136.png)](https://pvrouteur.apper-solaire.org/uploads/images/gallery/2022-03/image-1648139910136.png)

**A 12V recovery power supply**

\- You have to find an old 9-12V coil power supply in a drawer to convert it to AC power  
(or buy a power supply from [openenergymonitor.com](https://shop.openenergymonitor.com/ac-ac-power-supply-adapter-ac-voltage-sensor-euro-plug/))

[![image-1648140231834.png](https://pvrouteur.apper-solaire.org/uploads/images/gallery/2022-03/scaled-1680-/image-1648140231834.png)](https://pvrouteur.apper-solaire.org/uploads/images/gallery/2022-03/image-1648140231834.png)

12V AC power supplies as standard are very rare.

A classic USB power supply (1A max)

[![image-1648140103860.png](https://pvrouteur.apper-solaire.org/uploads/images/gallery/2022-03/scaled-1680-/image-1648140103860.png)](https://pvrouteur.apper-solaire.org/uploads/images/gallery/2022-03/image-1648140103860.png)

The card once mounted with the TTGO can be integrated into the box sold by the TTGO

[![image-1648140379598.jpg](https://pvrouteur.apper-solaire.org/uploads/images/gallery/2022-03/scaled-1680-/image-1648140379598.jpg)](https://pvrouteur.apper-solaire.org/uploads/images/gallery/2022-03/image-1648140379598.jpg)

to then be integrated into a table or other after uploading

[![image-1648140411579.jpg](https://pvrouteur.apper-solaire.org/uploads/images/gallery/2022-03/scaled-1680-/image-1648140411579.jpg)](https://pvrouteur.apper-solaire.org/uploads/images/gallery/2022-03/image-1648140411579.jpg)

  
Preparing the 12V-AC power supply

You have to open the power supply and remove the diode bridge present inside.

[![image-1648140564635.png](https://pvrouteur.apper-solaire.org/uploads/images/gallery/2022-03/scaled-1680-/image-1648140564635.png)](https://pvrouteur.apper-solaire.org/uploads/images/gallery/2022-03/image-1648140564635.png)

then resolder the coil outputs to the 12V power cable

[![image-1648140538306.png](https://pvrouteur.apper-solaire.org/uploads/images/gallery/2022-03/scaled-1680-/image-1648140538306.png)](https://pvrouteur.apper-solaire.org/uploads/images/gallery/2022-03/image-1648140538306.png)

Your 9-12V power supply is now ready.

It is advisable to check before the AC voltage delivered by the power supply.

##### Upload

Once the assembly is mounted, you can upload the firmware as[ indicated in this post](https://pvrouteur.apper-solaire.org/books/pvr-installation-du-code/page/pvr-televersement-du-code-en-usb)

you will in principle have a functional Pv router

[![image-1648140815878.jpg](https://pvrouteur.apper-solaire.org/uploads/images/gallery/2022-03/scaled-1680-/image-1648140815878.jpg)](https://pvrouteur.apper-solaire.org/uploads/images/gallery/2022-03/image-1648140815878.jpg)