Router with FHEM-Server and Atheros chipset

Hardware Questions and Recommendations
1

At the moment I use a very old TP-Link TL-WR1043ND v 1.8 for IoT-devices, Since a few days it works fine, but the TL-WR1043ND was replaced because the speed was very unstable. For IoT.devices speed is not so important, so the old router could be a solution.

Now I discovered, that I can run a FHEM-server with openwrt.
https://oldwiki.archive.openwrt.org/doc/howto/fhem
https://fhem.de/commandref.html

My question is, if this old TL-WR1043ND is strong enough for FHEM? The TL-WR1043ND has 32MB, AFAIR FHEM needs 7-8MB

If you think the TL-WR1043ND is to weak, what could be a solution? I want a router with Atheros chipset to stay compatible with my other routers.

At the moment I have:
1 Fritzbox 7390 (internet gateway)
1 Netgear R7800 (as wds-master)
1 TP-Link Archer C7 (connected via cable to cellar)
1 TP-Link Archer C7 (wireless bridge in 1st floor)
1 TL-WR1043ND v1.8 for IoT (4 unused)

1 Netgear R7800 is waiting to be sent back. It was a bargain, so I am waiting for your opinion, if I should keep it for IoT with server tasks like FHEM.

Another choice could be to buy another Archer C7. Unfotunately it is a lot more expensive now, than I paid for my 2 others.

2

I think I can close this thread, because I found out, that a Rasperry PI is a lot cheaper than a R7800 and compared to a C7 the Rasperry has a better OS support for IoT-server.

3

Have you read the yellow box on the OLD wiki page?

This are read only contents of the former OpenWrt wiki system. The pages are provided for archival purposes only. Refer to https://openwrt.org/ for up-to-date information.```
4

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