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Top microcontroller threads on EDAboard.com – September

October 1, 2016 By Aimee Kalnoskas Leave a Comment

(editor’s note: Intrigued by the problem? Have a question or optional solution? Then click the “Read more” link and follow the conversation on EDAboard.com or log in to EDAboard and participate in the microcontroller forum thread.)

Switch statement for PIC microcontroller – I am learning Switch Statement in C. I wrote a code for testing with MikroC. I compiled the code and there is no error, but it’s just not working. Can anyone help me? Read more

ATmega128 AVR microcontrollers assembly – Can we load a value directly into internal SRAM of ATmega128. Does AVR architecture support that? Read more

PIC-controlled triac problem – I am designing a power control board and controlling various loads. I am trying to make it as universal as possible, targeting 16A max load only for switching and 5A for dimming with a triac. Using XC8 v1.38, CPU as 18F25k22, using an internal crystal and PLL with 64Mhz clock. Read more

power-supply general-layout

Arduino/LCD/’595 cascade – I am using the standard Arduino LiquidCrystal 595.h with a 3-wire connect. My only problem is to extend this to use five additional outputs from a second ‘595. How do I modify the circuit while still using the existing LCD (HB44870) but adding the 2nd ‘595 to make use of additional outputs? And then how to modify the sketch? Read more

Sine wave generation using PWM –  The controller is PIC16F72, with MikroC and crystal at 8MHz. At the output, I am using 1kΩ and 102Ω to filter. However, I am not getting the sine wave. Can anybody please guide me as to where I am going wrong. Read more

PIC UART bootloader considerations – How do you write a UART bootloader for PIC? Is this a hard task or easy? Do I need only Rx/Tx lines or something else and, if yes, why? Read more

PIC18, EEPROM data erased from emulator – I wrote some data in EEPROM, but each time I download a program from the debugger, the data is erased (values=0xFF). I searched the emulator settings but still no luck. I am using MPLAB X v3.40 with an ICD3 emulator, and the MCU is a PIC18F25K20. Read more

eeprom-data-2 eeprom-data

ESP8266 communicating on IO pins – I have done some basic work with the ESP8266 module, such as serial communications. I found some projects on the internet where the IO of this module was used to communicate with DS18B20 and DHT22 sensors. I referred to the datasheet but could not find anything helpful to read/write ESP8266 IO. Please help. Read more

Arduino solar charger controller problem–  I am trying to make a solar charge controller using Arduino. I can read the exact volts of the solar and battery voltage, and I am also able to charge the battery. The problem occurs when the battery is charged because the charging doesn’t stop.  Read more

solar-charger

CAN bus question – In CAN bus, is it possible to physically turn off a node bus? Read more

 

Filed Under: 16-bit, 32-bit, 8-bit, microcontroller, Products, Training Tagged With: EDAboard.com

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