A small and cheap bluetooth temperature and humidity transmitter

From time to time a need a small temperature (and humidity) module that sends the data with a Bluetooth connection. When I want to measure for example the temp in a frig, I can use this device.
From time to time a need a small temperature (and humidity) module that sends the data with a Bluetooth connection. When I want to measure for example the temp in a frig, I can use this device. Normally I use a arduino with Bascom to develop those things but I want to put everything in an empty Frisk box, I have a small BT module and a DHS11 that fits into it (a attiny45 to runt it?) I want to power the module with a usb plug ( usb power pack) and read the data with my Nokia C0 mobile, if possible.
Discussion (5 comments)
butterfly 11 years ago
I waned to make a python prog to read the BT data on my nokia c6 phone but it didn't work so i found a java prog on the net that works.
for me java is like chinees, the result i cound not addapt the prog so I had to addapt the bascom prog to have a good readout on my phone.
If someone can help me with a python prog it would be great.
butterfly 11 years ago
here you can see how to connect the BT and SHT module with the tint45.
I try to put all the comonents in the small box ;-)
butterfly 11 years ago
butterfly 11 years ago
ClemensValens 11 years ago
Hi butterfly,
Do you mean a peppermint Frisk box? And what is a DHS11?
If you want to put it all in the fridge you may run into humidity problems. Also I am not sure if a lot of Bluetooth signal will come out of a fridge. It would probably be better to have a temperature sensor on a wire and the rest in a box so that you only put the sensor inside the fridge or oven. You can buy cheap thermocouples for that on the internet.
Regards,
Clemens
butterfly 12 years ago
ClemensValens 12 years ago
butterfly 12 years ago