Peer-to-peer, engineer-to-engineer questions and answers from the EDABoard.com engineering community around microcontrollers. Click the “Read more” link and follow the entire conversation and maybe add your two cents by logging in to EDAboard.com.
I2C Communication for Honeywell pressure sensor – I am using a Honeywell pressure sensor to measure the pressure of air in a pipe. For this have to use I2C Communication with the PIC16F1787. Is my circuit is perfect? Read more
GSM interfacing with PIC32MX440F256H microcontroller – I am trying to interface GSM using SIM800C with a pIC32MX440F256H microcontroller. The GSM module interface pins are as follows:
GSM_Reset Pin -> RD5 (pin no 53)
GSM Serial Interface on U2RX and U2TX (pin no 31 and 32)
GSM Power Supply RE7 (pin no 3)
I am trying to send SMS using the same assembly but unable to do it. Read more
C code now doesn’t seem right on MPALB X IDE V3.61 – Please advise why this code is now full of “unable to reslove identifier LATA0” error messages. This code was fine before. It was running fine on the micro. I am sure i did not get such errors before. It’s XC8 C for PIC16F18856. Read more
Planning to purchase PIC development board – I am planning to purchase PIC development board. I am looking help to get a good one. I saw some online board but I am confused with exactly what I need to start the project. Read more
Keypad and LCD using Assembly language – I need to write assembly language code for 8086 microprocessor interfacing LCD and keypad using assembly and I need the hardware schematic for connecting LCD and keypad to an FPGA for this microprocessor. Read more
K type thermocouple amplifier needed – Can somebody show a K-Type Thermocouple amplifier circuit with cold junction compensation using general purpose opamp? I tried to design one using MCP6002 but it is not working. My temperature range is 0 to 450 degree C. Read more
PIC18f97j60 and reading the contents of counter0 – I am doing Counter0 (T0Ck1) of PIC18f97j60 and I want to read the number of pulses which inters to it. For this purpose, I initialized the timer0 in counter mode and I produced PWM1 (from pin ECCP1) in Mikroc Program and I connected ECCPI to T0CK1 with a wire. But when I read TMR0L is it 130 all of the time and it doesn’t change. Read more
MCU GPIO pin as optoisolated Input and Output – For my project I need an optoisolated input and output but as both In and Out will not be used simultaneously so I am thinking if it’s possible to use a single MCU GPIO pin as optoisolated both Input and Output. Read more
Upgrade for MPLAB v8.92 – I discovered that there is a MPLAB 8.14.05 which, I assume, is later than the v8.92 that I have. So I tried to download it from the Microchip site but could not find it. Every search I did lead to info I did not want. Does anyone know where I can find MPLAB 8.14.05? Read more
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