Your request should be possible, please follow the following instructions. Let me know if you have any questions.
First reset your sensor to clear any previous settings:
- In Hue Essentials, go tot the devices tab
- Select your motion sensor
- Tap the Wizard button
- Tap Reset
Now configure your sensor to turn on your driveway floodlight when motion is detected:
- In Hue Essentials, go tot the devices tab
- Select your motion sensor
- Tap the Wizard button
- Tap Set up
- Select your Driveway floodlight group
- Select scenes for day and night and times if needed
- Select Dim & switch off
- (optional) Configure the daylight sensitivity: tap the three dots, tap Daylight sensitivity
See also: Device state automations (smart switches, motion sensors, lights, and plugs)
Now configure your motion light sensor to turn on the wall lights when it is dark (so without motion)
- In Hue Essentials, go to the devices tab
- Select your motion sensor
- Tap the three dots at the top
- Tap Light level
- Select Less than
- Enter the light level in Lux (lx) when the wall lights should turn on
- Add an action to switch on your wall lights
- Now change Less than to Greater than and keep the light level the same value
- Add an action to switch off your wall lights
See also: Light level measurement from motion sensor as variable in other rules? - #3 by Thomas