Search found 1766 matches

by mrburnette
Fri Mar 10, 2017 1:40 pm
Forum: Generic STM32F103
Topic: ADC ENOB low value.
Replies: 9
Views: 129

Re: ADC ENOB low value.

The "original" Maple boards were 4 layer boards, with a separate analog ground plane. As mentioned earlier, in the cheap-o boards, the analog reference is tied to Vcc which is 3.3'ish Volts. Looking at the running STM32F103 Vcc to ground with a scope, there is lots of noise present. Likely...
by mrburnette
Tue Mar 07, 2017 1:33 pm
Forum: General discussion
Topic: Using STM32DUINO for commercial code development
Replies: 8
Views: 220

Re: Using STM4ARDUINO for commercial code development

Recently Texas TIVA C based MCU using their IDE which is quite similar to Arduino. Till now i doesn't used it, But when i saw the overall functionality and support side for it. Its found quite time saver and interesting. We can also put effort together to make powerful stuff like that which is able...
by mrburnette
Mon Mar 06, 2017 1:30 pm
Forum: General discussion
Topic: Using STM32DUINO for commercial code development
Replies: 8
Views: 220

Re: Using STM4ARDUINO for commercial code development

Currently I am using Atollic Truestudio for code development. But its find little bit difficult to me. Earlier i done lot of stuff with Arduino IDE and its perfect for me. Now i am using stm4arduino (Great Work by Roger Clark) for commercial development. Some libraries are unstable. I am facing som...
by mrburnette
Sun Mar 05, 2017 11:33 pm
Forum: Off topic
Topic: New RPi Zero W - with Wifi and Bluetooth
Replies: 28
Views: 356

Re: New RPi Zero W - with Wifi and Bluetooth

The specs on ESP32 are amazing. I've been playing with the dev module under Arduino for a little over a week; My BIG surprise is SPIFFS is not implemented; so if you were fond of SPIFFS for storage, it appears that support will come at some time (maybe.) https://www.esp32.com/viewtopic.php?t=239 Th...
by mrburnette
Sat Feb 25, 2017 3:56 pm
Forum: General discussion
Topic: Planning to add callback to the SPI DMA functions (dmaSend, dmaTransfer...)
Replies: 59
Views: 728

Re: Planning to add callback to the SPI DMA functions (dmaSend, dmaTransfer...)

.... thinking out loud.... no response expected ....

Anyone looked into what Paul Stoffregen is doing around Teensy 3.1/3.2 ?
by mrburnette
Sat Feb 25, 2017 3:42 pm
Forum: Projects
Topic: $10 O-Scope revisited
Replies: 618
Views: 34325

Re: $10 O-Scope revisited

the noise, yes, by small signals. but I think a Scope is more for the signal form etc, not for the accuracy ( if the amplitude is 2.5V or 2.516 V) . Yes, in the "old days", scopes were analog and had a 1V p-p internal reference so the user could calibrate/verify the probe and front-end wi...
by mrburnette
Sat Feb 25, 2017 3:25 pm
Forum: STLink
Topic: ST-LINK V2-1 does not work with Windows 10
Replies: 9
Views: 239

Re: ST-LINK V2-1 does not work with Windows 10

Thanks. <...> I use 4 computers, all Win 10 64 bit, and the same development softwares. Newest Stlink driver and newest firmware. Same Avast antivirus on all. First one: Stlink V2-1 is never usable. Shows up in device manager, but none of the softwares can use it. Stlink V2 work fine. Second and th...
by mrburnette
Sun Feb 19, 2017 4:31 pm
Forum: General discussion
Topic: Intercept the usart isr without resorting to hacking the core
Replies: 16
Views: 259

Re: Intercept the usart isr without resorting to hacking the core

Now with the weakref also added I can begin all 3 usarts and only have usart interrupt code for usart2 and the MCU keeps running. Also a normal sketch without any usart interrupt code works fine. I was active here in the BobC days andvBobC and I had a number of off-line conversations about C++ and ...
by mrburnette
Fri Feb 17, 2017 4:41 pm
Forum: Off topic
Topic: ESP32
Replies: 3
Views: 191

ESP32

I needed some items quicker than the China boat could get here, so I ordered from Adafruit and was willing to pay the UPS delivery standard rate. Before I hit ENTER for my order, I went around doing some window-shopping to lessen the sting of the too-high shipping costs; I found the ESP32 dev board....

Go to advanced search