Just recently we had an opportunity to participate in Sydney’s Mini Maker Faire 2014. This was the second event of a kind being organised at Powerhouse Museum in Sydney. The decision to take part has been made spontaneously and one only week before ‘the day’ which, to some extent, contributed to our poor performance and […]
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Grand Prize Winner (Dec 2012) 
Second Prize Winner (July 2012) 
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Recently we have been busy working on new stylish case for Luminardo project. The challenge is to design something which would cost reasonable price and at the same time have modern look. Making cases of acrylic panels by laser cutting them is relatively inexpensive but all cases look kinda the same – like ugly boxes. […] Knowing RFComm port number to connect to we are fully set for our final step – to establish RFComm communication channel. Before we can send RFComm specific commands we need to establish L2CAP connection to RFComm the same way as it has been already described in ‘Establishing connection to SDP’. The only difference is that […] As a result of effort in previous post we now armed with knowdledge what has to be done in order to connect to Bluetooth SDP (Service Discovery Protocol). All we need to get from SDP is a RFComm channel number to connect to, the rest information provided by SDP service while it is a subject […] This post is a continuation of our endeavour to enhance USB Host 2.0 for Arduino library making a particular focus on SPP Bluetooth profile and Luminardo’s ability to initiate connection to a remote Bluetooth SPP-aware hardware. Last time it has been described what had to be changed in the library in order for Luminardo to […] Our next goal would be to establish communication between Luminardo and ELM327 OBDII Bluetooth adapter like the one shown on the picture below. The adapter allows not to interfere with wires and therefore eliminates (or at least minimises) chances of running into problems with car’s onboard electronics, however, Bluetooth link adds up an additional complexity […] One of the most attractive features of Luminardo is its USB Host functionality built around MAX3421E chip and amazing USB Host Library for Arduino written and maintained by TKJ Electronics and by Circuits@Home. Today we are going to compile their library for our Luminardo and try to run a ‘quality test’ to make sure that […] Luminardo motherboard and MVFD 16S8D Panel were specifically designed to fit together. That is why both PCBAs have the same board outline and matching mount holes. Two PCBAs interconnected by a 2 row 14 pin header, named as P8 on motherboard side and as JP2 on VFD panel side. In order to do the assembling […] Flashing bootloader is probably first priority task following immediately after PCBA soldering and assembling process. A board with bootloader in place significantly simplifies firmware development process, allows not to be dependent on presence of external ISP programmer (such as USBTinyISP). It also allows for seamless integration with well-known and very popular Arduino IDE As a […] First Luminardo prototype has been assembled and tested. As it usually happens, first revision is not without flaws. There are two issues with circuit diagram, one issue with component footprint, a few typos in BOM as well. First and the most annoying issue is related to 74AHC125 buffer (U5) which outputs never go to high […] |
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