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Edson Rocha
especialista

posted on 2014/01/10 02:44:43 AM CET

Measurement

Frequency Counter for Antenna Analysis (up to 400Mhz) using PIC18F4550

Hello all!
Happy new year!

I saw somewhere we can use a combination with Timer0, Timer1 and prescaler values to make a frequency conter up to UHF bands.

Could anyone point me towards the light?
Tried to search in the net but all I've found is up to 50MHz.

The main idea is collect 3 voltages via ADC and the frequency. Then, send them all via USB to a PC.

Thanks in advance!

Farid sab
sab

posted on 2014/01/04 04:51:58 PM CET

Internal MCU modules

inner dac in PIC18F45K22

Hi guys!

i need help -> somebody have project with inner dac in pic18F45K22 ( i newbie)
thanks in advance!!!

Christophe Coxs
coxs

posted on 2014/01/03 02:18:10 PM CET

GSM / GPRS

GSM2 Click : HTTP POST ?

Hi guys,

with the GSM2 Click module, I managed to send SMS but unfortunetely I did not find the right way to push "HTTP POST".
I tried the following:

AT+QIFGCNT=0
AT+QICSGP=1,"Orange F"

AT+QIREGAPP // Start TCPIP Task
AT+QIACT // Activate GPRS

AT+QHTTPURL=26,30
http://xxx.xxx.xxx.xxx:1234

AT+QHTTPPOST=7,10,10 //Send HTTP GET Request
gps=x,y
AT+QHTTPREAD=30 //Read the response of HTTP server.
AT+QIDEACT

but it hangs during QHTTPPOST ... any idea ?
THANKS a lot

Gwmbwr Ramchiary
Ramchiary

posted on 2014/01/03 05:35:16 AM CET

Audio & Speech

transfer set of integers

I have been using mikroc 89c52 and i want to transfer a set of
integer values from micro controller to USART terminal
CN u plz help me??
i have tried the following examples
but i couldn't do it
char uart_rd;
void main() {
int a[4]={1,2,3,4};
UART1_Init(9600);
Delay_ms(100);
UART1_Write_Text("S");
while (1) { // Endless loop
if (UART1_Data_Ready()) { // If data is received,
uart_rd = UART1_Read(); // read the received data,
UART1_Write(a[4]); // and send data via UART
}
}

Jean-Claude de BIEVRE
DBElektron

posted on 2013/12/26 06:15:20 PM CET

Timers (Real time clock)

Real time clock

Hi ,

Recently I bought an Easy 24-33 v6, equipped with a PIC24F16KA102.
This MCU is featuring a 500nA Real Time Clock & Calendar operation in Sleep mode.
It would be nice if Mikroelektronika would issue the routines for this RTC.

Thank you for your help

Regards

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