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STM32L071KBUx UFQFPN32 exposed pad

Posted on March 15, 2018 at 12:13I'm drawing a new design with the STM32L071KBUx #UFQFPN32. Do I have to connect the exposed pad to the GND, or can I leave it open. I don't see any note in the datasheet DM00141136.pdf, so I think that I can leave it...

How to stack IHM03A demo boards?

Posted on March 16, 2018 at 08:53The 'Quick start guide' for STEP01 demo boards says you can stack up to three boards and explains how to set the link resistors to daisy-chain the SPI comms. Fine, but that still leaves all the boards connected to th...

estie by Associate II
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Vref current required - stm32f103vct6

Posted on March 15, 2018 at 22:49Hello, I will use this Cortex with both ADC and both DAC active.The datasheet says the maximum (wort case) current required into Vref is:220 uA for ADC and 220 uA for DAC.I am going to apply the separate Vref with a ...

RnnKrk by Associate II
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SIGFOX_API_send_frame = SFX_ERR_SEND_FRAME_SEND_UPLINK

Posted on March 15, 2018 at 10:29Hello When i try to use SIGFOX_API_send_frame. I receive SFX_ERR_SEND_FRAME_SEND_UPLINK as error. but i don't really understant the meaning. Could you give me more details about this error and a way to solve it?By th...

Image is getting enlarged in button with callback

Posted on March 16, 2018 at 06:27 Hi, I have a button of size 100* on that button i want to set image for pressed and unpressed which is also of 100* I am setting it in init dialog as BUTTON_SetBkColor(hEnter,BUTTON_CI_UNPRESSED,GUI_BLACK); ...

Can I use HAL library in MBED?

Posted on March 15, 2018 at 19:21Hello,I have Stm32 L4 microcontroller.  I want to make use of all its power modes and I have only found the HAL library generated by the Cube software(https://github.com/JoeMerten/Stm32L4-Workshop/blob/master/AudioPl...

Resolved! RSS Feed Problem

Posted on March 03, 2018 at 08:35I want to RSS this content, but it always return me this...Cariati.Francesco‌Some of the RSS function is not working?please fix.#rss

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flash example can't not run on STM32L4R5QG

Posted on March 15, 2018 at 12:10I have two customer boards as below :A board : Mount with STM32L4R5QII (2MB internal flash)B board : Mount with STM32L4R5QGI (1MB internal flash)A board run well on the STM32L4R5ZI-Nucleo\examples\flash many times.B ...

fema by Associate III
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