Bracerbot Beta

What is that blue module?

What is that blue module? Bluetooth module for the Android?

Well I meant 40 euros -

Well I meant 40 euros - atmega328 - 5€ - servos - 11€ - accelerometer - 7€ - bt module - 9€ - 1.5v batteries - 5€ I dont count rest of the onboard components because I had them already. But they would cost around 3-5€ together. Note that I’m not counting in price of Nokia batteries, because my brother gave them to me from old phones.

It’s a standard UART

It’s a standard UART bluetooth module, this one I bought locally for like 9€ but you can find them even cheaper on ebay, range though is horrible only up to 1m when connected to pc via usb bluetooth adapter.

How do you connect it to
How do you connect it to your computer?

I use usb bluetooth module

I use usb bluetooth module and I use bluetooth manager to connect it as a bluetooth serial port

How do you wire power to

How do you wire power to microcontroller? thats a question I’ve been asking myself for a long time.

 

Take a look at the PCB that

Take a look at the PCB, those four pin connectors on the edges :slight_smile: