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I have interfaced Honeywells HMC 5843 compass with PIC 16F877A in single supply mode,The problem is that LCD display connected to the same is showing heading angle as 360 and 180 degree, no further angle is obtaining,please help me any one having more experience with this IC.
Hi I am using Delta Screen editor software to develop a HMI panel.Also the protocol using is Modbus RTU. I want to know how the HMI panel will send request to controller (slave) so that controller can respond accordingly,I have already developed one screen which performs RTU writing mode (code...
my project includes an RTC and LCD. I had read the rtc by i2c protocol and tries to out in an lcd. but iam getting some error
my output is
TIME : 1? : 2? :3?
a question mark is there when i tried to mask my received data from rtc with 0f .e some problems regarding the LSB (4 bits) of...
my problem is to find difficulty in accessing an internet application with GPRS( ie I want to link with a web server). Iam using a GSM/GPRS modem connected to the RS232 port of my PC and i am sending AT commands from hyperterminal to the GPRS modem. However i succeeded in establishing a...
May i know how could i programming a keypad extractly like the mobile phone keypad using PIC? For instance, when we first press the 2 button, it is an 'a', second press is a 'b' den is 'c',finally is '2', then it repeat the routine. Same for other buttons. So, the 4x3 keypad can have output for...
i need to connect a device whose current rate is 450 mA at the end of microcontroller.I have selected a relay to switch the same device.but i need to to ensure that proper current flow is there,
please help me by giving the design and equations to limit the current through the relay for...
hi Can any one help me for getting a clear picture about PIC Timer(1,3)'s MSB bit RD 16
RD16: 16-bit Read/Write Mode Enable bit
1 = Enables register Read/Write of Timer3 in one 16-bit operation
0 = Enables register Read/Write of Timer3 in two 8-bit operations