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Search: Posts Made By: symbol
Forum: Microcontrollers (MCU) 10-03-2017, 07:37 PM
Replies: 1
Views: 196
Posted By symbol
A high res in focus picture might help. Also your...

A high res in focus picture might help. Also your nose might be able to identify
which end of module had over stressed part.

A magnifying glass exam of board might provide clues.
Forum: Microcontrollers (MCU) 07-17-2017, 01:30 PM
Replies: 1
Views: 292
Posted By symbol
Clock source? Asynchronous serial (UART) depends...

Clock source? Asynchronous serial (UART) depends on the baud rate of the receiver and transmitter to be within 5% or so. If one of the sides is using a low quality clock source (like internal RC...
Forum: Microcontrollers (MCU) 07-03-2017, 02:43 PM
Replies: 1
Views: 270
Posted By symbol
need to see the schematic for the relevant part. ...

need to see the schematic for the relevant part.
IF the debug lines are connected to other components other than the programmer you may have debugging issues

is the board powered by either the...
Forum: Microcontrollers (MCU) 06-17-2017, 10:50 AM
Replies: 1
Views: 401
Posted By symbol
I have a couple of LPC2106 and LPC2148 prototype...

I have a couple of LPC2106 and LPC2148 prototype boards. I think I'll hang on to them.
Forum: Microcontrollers (MCU) 05-01-2017, 04:35 PM
Replies: 1
Views: 463
Posted By symbol
What does the pdf say. There are tables with...

What does the pdf say. There are tables with power consumption at various frequencies and with ART/prefetch enabled disabled
Forum: Projects and Advices 01-15-2017, 12:52 PM
Replies: 1
Views: 1,275
Posted By symbol
There are few or no ready to use code samples on...

There are few or no ready to use code samples on the web site about implementing (secure) file transfer protocols with the esp8266 (FTP, SSH, etc ...) work as a client.
Forum: Projects and Advices 10-26-2016, 04:48 PM
Replies: 2
Views: 2,977
Posted By symbol
It's very simple. ULN2803 Connect inputs to...

It's very simple. ULN2803 Connect inputs to outputs 74HC595 and connect DHCP, DNS and STCP of 74HC595 to your microcontroller.
Forum: Beginners 09-29-2016, 02:24 PM
Replies: 1
Views: 3,219
Posted By symbol
What the manual says ? What are the limits of...

What the manual says ? What are the limits of measurement device ?
Forum: Projects and Advices 09-29-2016, 02:22 PM
Replies: 2
Views: 2,856
Posted By symbol
No, there completely different

No, there completely different
Forum: Microcontrollers (MCU) 09-12-2016, 02:22 PM
Replies: 4
Views: 5,657
Posted By symbol
if there is a common minimal time interval for...

if there is a common minimal time interval for all four switches, you can use this to create s/W planned to create additional counter to determine the on/off time of each switching.
Forum: Projects and Advices 08-30-2016, 06:13 AM
Replies: 6
Views: 3,703
Posted By symbol
hemilton, the project should develop quickly ...

hemilton, the project should develop quickly
Arduino is a good helper in this
Forum: Projects and Advices 07-29-2016, 09:08 AM
Replies: 1
Views: 4,263
Posted By symbol
In a sense you have 20 bits, each can be On or...

In a sense you have 20 bits, each can be On or Off. It can be converted to 2.5 bytes of data. (Call it 3 bytes.) This may or may not lead to a more efficient way to access the lines, but it suggests...
Forum: Projects and Advices 07-02-2016, 10:28 AM
Replies: 1
Views: 4,211
Posted By symbol
Clearly it has an internal fault but without...

Clearly it has an internal fault but without knowing the model and manufacturer there is almost no chance of anyone helping you.
Forum: Beginners 06-13-2016, 08:41 PM
Replies: 2
Views: 6,513
Posted By symbol
If you planned to supply the relay coil with the...

If you planned to supply the relay coil with the same voltage already used by logic devices, I agree to prefer an N-Mosfet. Relays in general generate expressive spike on power bus during On/Off...
Forum: Microcontrollers (MCU) 05-18-2016, 05:53 PM
Replies: 1
Views: 7,371
Posted By symbol
The same text is used in the ADC_Init() help...

The same text is used in the ADC_Init() help section so your answer would appear to be that the delay is built in to the ADC library.
Forum: Projects and Advices 05-15-2016, 10:25 AM
Replies: 15
Views: 23,000
Posted By symbol
nothing is impossible..

nothing is impossible..
Forum: Projects and Advices 04-27-2016, 02:05 PM
Replies: 1
Views: 6,839
Posted By symbol
it is worth remembering inverse programmer. ...

it is worth remembering inverse programmer.
Otherwise it will be a programming error...
Forum: Beginners 04-27-2016, 02:00 PM
Replies: 3
Views: 6,231
Posted By symbol
Probably your diode is in backwards.

Probably your diode is in backwards.
Forum: Beginners 04-24-2016, 10:53 AM
Replies: 1
Views: 5,724
Posted By symbol
With Lipo the rate of self discharge increases...

With Lipo the rate of self discharge increases with how much charge is in the battery. If its fully charged the initial self discharge rate will be very high.
Forum: Projects and Advices 04-17-2016, 12:04 PM
Replies: 1
Views: 5,879
Posted By symbol
I would say that the opposite is more plausible;...

I would say that the opposite is more plausible; a flowchart describes a structured process, whereas a MATLAB code could break its execution flow anywhere
Forum: Microcontrollers (MCU) 04-04-2016, 06:45 PM
Replies: 2
Views: 6,865
Posted By symbol
The DS1307 can be run in either 12-hour or...

The DS1307 can be run in either 12-hour or 24-hour mode. Bit 6 of the hours register is defined as the 12-hour or 24-hour mode-select bit. When high, the 12-hour mode is selected. In the 12-hour...
Forum: Microcontrollers (MCU) 03-27-2016, 11:29 AM
Replies: 1
Views: 7,052
Posted By symbol
Are you running the MCU directly from the battery...

Are you running the MCU directly from the battery or through a LDO regulator?
The reason I ask is that you are setting AD1CON2 such that it will use AVdd as Vrefh and AVss as Vrefl.
Forum: Electronic Components 03-21-2016, 04:05 PM
Replies: 1
Views: 8,364
Posted By symbol
Best I could come up with for 1Y is Motorola...

Best I could come up with for 1Y is Motorola MMBT3903
https://www.sos.sk/pdf/SMD_Catalog.pdf
See page 12
Forum: Microcontrollers (MCU) 03-09-2016, 10:57 AM
Replies: 2
Views: 6,692
Posted By symbol
Sure, it is possible. It uses SSD1963 display...

Sure, it is possible. It uses SSD1963 display controller.
Forum: Microcontrollers (MCU) 03-07-2016, 10:31 AM
Replies: 3
Views: 6,974
Posted By symbol
You should be able to analyze the circuit...

You should be able to analyze the circuit yourself. This is not a very complicated one. Look at the picture carefully and you will be able to make out features.

The 270R and 0.01uF are used for...
Showing results 1 to 25 of 126

 
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