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I am using 18.432 MHz Crystal and Pic32MX460F512L Microcontroller with 22pf capacitor, i am having the following configuration settings but the controller not working it's get hanging
#define SYSCLK 147456000L
#define PBCLK (SYSCLK/2)
#define Fsck 50000
#define BRG_VAL...
Hi i am get the following short circuit protection circuit from the website it is working fine .The problem is when the 12v supply is on it is started from NC operation after pressing the push button only the output will come and if it is short circuit at the output the relay get turn off and it...
I am using WinBond W25Q64JV SPI Flash chip for storing data and micro controller is STM32F101RCT6. When i am try to store the data in Winbond chip it is working fine i can able to read and write data in winbond chip but if i want to overwrite the new data in same address it is not overwrite and...
Hi Friends
I am new to rs485 communication i want to know how to create rs485 modbus protocol using given register value for accessing information that is read data and write data i have baud rate is 115200 data is 7, parity even stop bit is 1 and register address is
for reading...
Hi friends i am using sim900a for my project i am new to sim900A.I am unable to find which AT command is used for checking sim registration is successful or not (that is emergency only or registered) and unable to find which AT command is used for manual registration please give me your...
Thanks for the reply can you please post the circuit connection with diode and resistor and in my circuit connection the capacitor value is 10uf/20v it is correct or 0.1uf is correct
Hi Friends I am using max 3232 for interfacing sim900A module and pic32mx360f512l and for interfacing pic and sim900a module i am using single max3232 ic that is i am used dual channel in max3232 one channel for pic and another channel for sim900a module the problem is when i am sending AT...
Hi friends
I am having 24v 200ma power supply i have to convert it into 12v 3amps supply how can i convert it if i am giving input of 24v 200ma to lm350 regulator it will convert 12v 3amps is this correct or what will be the best method to decrease the volt into 12v and increase...
first form the circuit using some op amps and measure voltage output of op amp using pic controller keep one resistance as unknown value and remaining resistor as known value by using op amp equation you will find the unknown resistance value easily
Hi friends i am using sim900 modem to send temperature message to customer for that i have to send degree symbol via sms using sim900 module for that i am using hex code 0xB0 for degree symbol but it will not received in sms remaining characters received fine please give me your guidance to send...
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