The BC417143-based module can be programmed through its SPI interface using a simple parallel port interface. I am using the circuit published on Byron’s blog. The SPI protocol is bit-banged on the parallel port of the PC. The 5V to 3.3V level adaptation is done using resistor dividers. The SPI pins are accessed through a [...]
Entries Tagged as 'Bluetooth'
September 26th, 2011 · 1 Comment · Uncategorized
My initial production was only a short run to prototype the board for my personal use. Having sold out the stock and seeing the interest for the board, I have ordered a new batch that is now available for sale. The price at Olimex was interesting for prototyping but not for producing greater quantity. This [...]
May 20th, 2011 · 16 Comments · Uncategorized
I have soldered a second serial Bluetooth module. I am now going to test them in a master/slave configuration. The test boards The first test board is the one already used for my slave test with a Teensy 2 as USB to serial adapter and power supply. This board will be the master one. The [...]
May 8th, 2011 · 20 Comments · Uncategorized
I am going to test the connection of a serial Bluetooth module to my Mac laptop. Serial data will be provided to the module through a Teensy 2 used as a USB-to-Serial adapter. Soldering the module on a breakout board The difficulty is to correctly align all the module pins to the breakout pads. The [...]