Hexley Ball

Activity

Reply to Strange PCF 8575C problem - This might be as simple as a floating ground connection for one of the supplies. …
Hexley Ball - 16 Jun 2011
Reply to Missing scroll bar - Mixed results here: I tested the fix after reading this update, and still got the …
Hexley Ball - 16 Jun 2011
Reply to Find./replace behavior - Verified. This is great.
Hexley Ball - 16 Jun 2011
Reply to Backspace versus delete - Yep, it works. Thanks!
Hexley Ball - 16 Jun 2011
Reply to Timer priority - Looks like a typo crept in - Melchior Pau wrote: extern "C" void myIRQ(void) { …
Hexley Ball - 14 Jun 2011
Reply to Timer priority - Melchior Pau wrote: What am I forgetting? Maybe to clear the LPC_TIM0->IR interrupt flag for …
Hexley Ball - 14 Jun 2011
Reply to InterruptIn no longer work when I am try to SPI - Welcome to the "I've been bitten by putting a printf statement inside a callback" club …
Hexley Ball - 14 Jun 2011
Reply to Extremely weird Interrupt behavior - This could also be contact bounce, if you are using a mechanical encoder. You might …
Hexley Ball - 08 Jun 2011
Reply to No serial output on UARTs when powered through 5V usb adapator. - There is a possible issue with the MIDI interface circuit. The TX signal on the …
Hexley Ball - 08 Jun 2011
Reply to Help, PAL Video input - If you are up for a bit of circuit wrangling, check out the MAX9526 NTSC/PAL …
Hexley Ball - 03 Jun 2011
Reply to Serial comms to PC using Serial tx/rx - If you just want a quick-and-dirty test, it is easy to haywire a simple level …
Hexley Ball - 02 Jun 2011
Reply to Pinball Lamp Circuit - This looks like it should work. The relays should toggle on and off every second …
Hexley Ball - 02 Jun 2011
Reply to SPI Problems with LTC2418 - One suggestion - send the SDO signal to both MISO and to a digital input …
Hexley Ball - 26 May 2011
Reply to Controlling ADC with SPI - Rémy Jeannot wrote: So, I've tried this code, in using the SPIHalfDuplex function ... On …
Hexley Ball - 23 May 2011
Reply to Controlling ADC with SPI - Some suggested changes: 1.Use SPI, not SPISlave, in the library invocation. Like this: SPI can(NC, …
Hexley Ball - 16 May 2011
Reply to LED Above the Reset Button - Here is a mod you could try: connect the junction of LED1 and R3 to …
Hexley Ball - 12 May 2011
Reply to Simplewebservice - Try also importing Hendrik's Simple Plain XML parser library . That contains the include file …
Hexley Ball - 12 May 2011
Reply to Dead mbed - Wen qian wrote: 3.3V (pin-2) to TD+ (pin-1) = 0.9 Ohm 3.3V (pin-2) to TD- …
Hexley Ball - 09 May 2011
Reply to 5v <-> 3.3V level shifting - Melchior Pau wrote: The microcontroller I/O is all 3.3v logic, but 5v tolerant. A digital …
Hexley Ball - 05 May 2011
Reply to Need SPI & Register Explication - The write and read routines should look something like this: void devicewrite(char targetregister, char command) …
Hexley Ball - 04 May 2011