Assembled advanced breakboard adapter for BK3254 options: +pasives (buttons, leds, MIC/AUX/OUT jacks)/PCB only, soldered/unsoldered,
Designed by Tomas Kovacik in Slovakia
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As of 05.2022 no more untracked packages outside of the EU because of price: 6€ untracked vrs tracked 5.3€ (https://cennik.posta.sk/en). No responsibility for the loss of untracked packages.
IMPORTANT NOTE take care what module you buy, where are version which did not have support for all features,read description of what you buy, for example here from aliexpress: What is it? A breadboa…
Read More…take care what module you buy, where are version which did not have support for all features,read description of what you buy, for example here from aliexpress:
A breadboard friendly adapter for bluetooth modules based on bekken corp bluetooth chips BK3254. The adapter fits into the breadboard and leaves one row of open holes for connecting cables on each side of adapter board, making prototyping very easy compared to Chinese adapters for this module. Chinese adapters have 2 rows of pin headers on each side, making them unusable with a breadboard
None of option includes actual bluetooth module.
Board features: - Buttons for Play/Pause/Call, Mode, Next/Vol+, Previous/Vol-, Reset
2 leds indicating status of module
3.5mm jack for Aux Input with all required passive components
3.5mm jack for microphone
3.5mm stereo jack for output
USB-A female connector for USB flash drive support
Micro SDcard support
To remove the need of using lots of cables for development with a breadboard using Chinese adapters that are not compatible with a breadboard. This makes a project in development less fragile when needing to transport it
To have a usable adapter compatible with a breadboard
Existing adapters are mostly full featured boards ready to use, they are not designed for developers. My board on the other hand has all pins exposed plus it has all buttons, LEDs, jacks, etc
Existing adapters, which can be bought for this module from Chinese suppliers and are developer friendly have 2 row pins on each side, making them unusable with a breadboard. This one has only 1 row of pins on each side so it can be used with breadboard.
Quality board with easy to read silkscreen
arduino library on github is here, currently is something like Beta stage, commit/suggestions are welcome
Github repository with KiCad schematics symbol, PCB modules(footprints)(+ lot of pdf's in library/Datasheet folder) for BK3254
Github repository
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