My gear:
Archos tablet running Android 6 (Marshmallow)
qDslrDashboard V3.6.4arm64
TP-Link 3040
Firmware: OpenWrt Barrier Breaker r38444 / LuCI Trunk (svn -r9925)
USB cable
Canon EOS 1100D
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I connect the camera to the TP-Link.
I turn on the TP-Link.
Then I turn on the camera.
3 green LEDs now light up on the TP-Link.
I connect my tablet to the TP-Link via WiFi.
Then I start qDslrDashboard.
In the message window appears:
Searching for DDServer
DDServer not found, connecting to IP 192.168.1.1 (this is the IP of the TP-Link).
List connected DSLR at IP: 192.168.1.1
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But there is no camera listed

What am I doing wrong. I've been sitting on it for almost 2 days now.
Many Thanks
Thomas
PS:
I installed the "DSLR Controller" app on an older smartphone (Samsung S3).
With this I can reach and control the camera.