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Search: Posts Made By: Em_13
Forum: Microcontrollers (MCU) 01-08-2019, 04:17 PM
Replies: 6
Views: 13,699
Posted By Em_13
Hello. I assembled this progromoter for ATtiny...

Hello. I assembled this progromoter for ATtiny 2313 firmware all working
Forum: Microcontrollers (MCU) 07-24-2018, 04:16 PM
Replies: 1
Views: 109,416
Posted By Em_13
STM32F401 SD CARD

I designed a board that includes cs4344 and sd card and mcu stm32f401.to get started with sd card ,I need help.



why the F_mount() dose not execute????

My connection SD card :
Forum: Beginners 07-10-2018, 08:20 PM
Replies: 0
Views: 137,454
Posted By Em_13
Schematic diagram for portable player Thomson TM 9670

I greet everyone in Hungary,
I'm looking for a concept of a portable THOMSON TM9670 player.
When I connect the USB drive to the computer, the normal supply voltage of 5.5V drops to approx. 2.0V...
Forum: Microcontrollers (MCU) 08-29-2017, 03:59 PM
Replies: 1
Views: 5,367
Posted By Em_13
I Cooked my Arduino 3G module? SIM5320E

So I played with the SIM5320E, which is similar to the SIM900, but uses 3G. In short, I can short-circuit the antenna signal wire with 5V Arduino. Or a signal wire with GND. Or, maybe I accidentally...
Forum: Projects and Advices 01-12-2017, 06:41 PM
Replies: 1
Views: 3,089
Posted By Em_13
Upload photos via ESP8266

How to Upload photos to a website using esp8266 ?
Camera module with ESP8266 (as Client).
Forum: Projects and Advices 10-15-2016, 09:30 AM
Replies: 1
Views: 4,266
Posted By Em_13
Sine adjustable low power

I need an adjustable 265V circuit for testing. It should be between 263V and 267V, and about 10 watts. How can I get 265V 10W regulated sine wave? I know it's to do with the method of PWM. Is there...
Forum: Microcontrollers (MCU) 10-02-2016, 11:30 AM
Replies: 4
Views: 7,950
Posted By Em_13
The switches are transistors. I use the Timer...

The switches are transistors. I use the Timer modules to control them. The frequency of this switches 6 kHz duty cycle %53.
Forum: Beginners 09-15-2016, 03:02 PM
Replies: 1
Views: 8,331
Posted By Em_13
At this frequency you will be able to achieve...

At this frequency you will be able to achieve much better stability and much more efficient to use a conventional PLL or DRO circuits. Why do you think the device Gunn?
Forum: Microcontrollers (MCU) 09-15-2016, 02:56 PM
Replies: 4
Views: 7,950
Posted By Em_13
The switches are transistors. I use the Timer...

The switches are transistors. I use the Timer modules to control them. The frequency of this switches 6 kHz duty cycle, %53. I was referring to the number of timers, sorry, my fault.
Forum: Microcontrollers (MCU) 09-11-2016, 05:10 PM
Replies: 4
Views: 7,950
Posted By Em_13
msp430 and counter of timers

with MSP430G2553, I control 4 switches with timers. Timers 1.0 and counts TA1.1 can determine the period for key1. TA0.0 is TA0.1 can determine the period for switch2. What can ı do for switch3 and...
Forum: Projects and Advices 08-18-2016, 11:13 AM
Replies: 2
Views: 5,167
Posted By Em_13
There are Chinese laser printer for printed...

There are Chinese laser printer for printed circuit boards
Forum: Microcontrollers (MCU) 08-18-2016, 11:11 AM
Replies: 5
Views: 9,617
Posted By Em_13
Hi RobertBil The problem was in the inverse...

Hi RobertBil
The problem was in the inverse bit programming
What programmer you use?
Forum: Projects and Advices 07-09-2016, 08:11 AM
Replies: 1
Views: 5,697
Posted By Em_13
I also used CST before switching to HFSS but they...

I also used CST before switching to HFSS but they are very same.
Forum: Microcontrollers (MCU) 06-17-2016, 09:20 AM
Replies: 5
Views: 9,617
Posted By Em_13
ATmega128 error in fuse bits read

I am using USBasp to program my board with ATmega128, hardware is single side PCB by Thomas Fischl http://www.fischl.de/usbasp/
My board was working well and I decided to change some parts of the...
Forum: Beginners 05-18-2016, 05:55 PM
Replies: 2
Views: 11,840
Posted By Em_13
What value for srand()?

Hello everyone,

I am trying to find what of value that i can give to srand() so that there isn't still the same pattern if don't do that and only use the rand() than when i start i begin always...
Forum: Beginners 05-01-2016, 12:48 PM
Replies: 0
Views: 7,744
Posted By Em_13
VGA controller for spartan 3

I am building an under water image processing system for which i need to display on the TFT through VGA, the problem is i dont have the kit which has built in VGA port in the PCB and hence I need to...
Forum: Microcontrollers (MCU) 03-04-2016, 10:02 AM
Replies: 3
Views: 8,829
Posted By Em_13
I want to use 33 Mhz crystal in 3rd overtone...

I want to use 33 Mhz crystal in 3rd overtone mode,Please help me to calculate the capacitor triplet for 99 mhz output.Is there any equation to calculate these capacitors?
Forum: Microcontrollers (MCU) 02-28-2016, 08:35 PM
Replies: 3
Views: 8,829
Posted By Em_13
Question about Crystal oscillator

Hi,I am a beginner in RF circuits , have a question about this circuit:What does the Freq-set variable Inductor exactly do?I built this circuit and output frequency is fix despite changing this...
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