Thursday, April 4, 2013

Hello World tutorial for STM32 Discovery boards using CooCox CoIDE and GCC ARM

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ST Microelectronics has been supporting their Discovery line of ARM demonstration and development boards for a while now.  I was first intr...
40 comments:
Sunday, January 20, 2013

USB RS-485 Adapter Through Hole PCBs Revisited

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The second batch of through hole PCBs arrived recently.  I had fixed errors in the original design , moved some components around, correcte...
2 comments:
Sunday, December 2, 2012

I2C EEPROM Shield and Platforms Roundup

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  This I2C EEPROM shield was built to study I 2 C communications.  This two-wire bus involving bidirectional clock and data lines was in...
2 comments:
Saturday, October 13, 2012

USB RS-485 Adapter Surface Mount Boards

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The surface mount PCB version of my RS-485 adapter recently arrived from overseas.  This one is cheaper and cleaner using the 20-pin PIC18...
1 comment:
Saturday, September 29, 2012

PIC18F2XK50 brings $3 savings

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These RS-485 Adapters were originally designed using PIC18F2455 (24k flash) and PIC18F2550 (32k flash) in mind, but with the recent int...
Friday, September 21, 2012

USB RS-485 Adapter Through Hole PCBs

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Here is my first PCB design that has gone to production. I redid the schematics of my original design now implemented in Eagle and als...
5 comments:
Thursday, April 12, 2012

In-between Shield for mbed with 128Mbit Flash

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In-between Flash Shield with SST25VF064C The "In-between Shield" has been developed as a means to extend the attached periph...