what's the range on that bluetooth?
I've never tested that and it depends a lot on the transmitter you use and the antenna you use. But i think with the class2 module it's around 5 meter and with class1 module inside it's probably somewhere around 25 meters, maybe more.
would the 3A version run something like a triple XM-L rather than single SST90, any issues there?
Should be no problem to run up to 4 leds (max current 3A) in series , but i will check that before actually selling them.
Mind telling us which bluetooth module you used?
BTM-110 and BTM-222 from Rayson Technology
So what is the diameter of that driver?
At the moment the prototype has a diameter of 28mm, but if you really need it a bit smaller i can shrink it to a diameter of 26.5mm. That's the absolut minimum, since 26.5 is already the diameter of the coil.
I assume the bluetooth and such takes up some space. On the other hand, could you pack it into a stack of 2-3 disks that are 17mm in diameter?
No way, i can fit it inside that little space.
The current design consists of 3 layers with 28mm diameter:
1. The actual driver
2. The main-pcb with the mcu
3. The bluetooth module
I'm "interested" but do we have any idea on cost?
I haven't calculated everything, but should be like this:
- Driver: 9A version: ~30€ 3A version 28€
- Main-pcb and Controller: ~25€ (inclusive future software updates)
- Bluetooth: 20-25€
- Direct drive output stage: ~ 10€
The following combinations are possible:
- SST-90 / P7 / XM-L Driver + Controller + Bluetooth --> as seen here
- SST-90 / P7 / XM-L Driver + Controller --> communication/ settings/ updates only via cable
- SST-90 / P7 / XM-L Driver --> single mode, no battery / temperature monitoring and cutoff
- Direct drive output stage + Controller + Bluetooth
- Direct drive output stage + Controller
Anyway I would like to say thank you for all the nice comments.
Best regards,
Alexander
