thisguy is new, HI.
Hello, new here, eager to listen and to learn. Thinking I want to try and teach myself programming one of these days when im able to afford a programmer. I figure arduino might be right for a beginner,...
View ArticleIssue with ADC
Hi All, I have having quite a strange issue that I simply can't get my head around. I am measuring 4 MCP9700 temperature sensors (same as a TMP35) with a PIC16F877A. (I know it is old, but I am tiring...
View Article6802 assembly help please.
Hi, Could somebody please help me understand what's going on in this subroutine, processor is a 6802. 7198 ldx #$2000 719B clr x0006 719E tst $00, x 71A0 bpl L71A5 71A2 inc X0006 71A5 inx 71A6 cpx...
View ArticlePower calculations for Controller
I have an microcontroller. MSP430FR2310. I am supposed to interface this microcontroller with a temperature sensor (TMP100)and Level translator (3.3V to 1.8v). I have selected the chips. I am asked to...
View ArticleSWITCH in PIC18F4550
Our professor wants us to make a program in MLab to show an output of the basic logic gates using pic18f where the inputs(switches) will be assign assign in RA1 and RA2 RB0 = RA1 + RA2 RB3 = RA1 * RA2...
View ArticlePCB Design PIC18f4550
Hello, I plan to make a PCB design by basing it in this picture but my classmate said that there should be a capacitor connected in each leg of oscillator and there should be a resistor in pin 2 that...
View ArticleAm I reading this code correct?
Have I got this right, it is a subroutine for a 6802 processor. I’m not 100% sure how the CMP works. Thanks 1. Load stack with 0x007D 2. Jump to address 7C2A 3. Load accumulator with 0x86 4. Go to...
View Articlearduino Controlling Circuit Hangs when controlling 230v ac fan using a relay
hi....... i have made a circuit for controlling home appliances like light fan etc. when i control lightning load arduino works fine but when control fan or operate fan after two or three time...
View Articlecode for audio delay/echo, and for eq
Hi, I'm starting an audio project that will be based on a PIC32 or an ARM M3 (micro not finalized yet). Looking for sample/example code for audio delay, aka echo, and for parametric EQ. Please advise...
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128x64 GLCD Megademo :D
Hi Guys My first play with any graphics LCD, and this happened: Running on dsPic33FJ64GP802 from Microchip. Cheers, Art.
View ArticleCreating image file for NAND flash
Dear fellow coders, i'd like create another file image that contains my SDK files and then burn in together with my Linux kernel; rootfs and Uboot. Is there any standard steps to do so? Thank you!
View ArticleTI CC2541 no GATT communication
I am working on a project with TI CC2541 MCU and I am having major issues with BLE communication with Android. I was wondering what Android app or Windows software can I use to read and write to GATT...
View ArticleHow to add Qt into existing SDK?
Dear fellow coders, I've an existing SDK with the necessary toolchain and some images (i.e. Linux kernel images, rootfs, Uboot). I need to work on some Qt projects. Am I suppose to add Qt lib into the...
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GSM module with Pic16F877A - MPLABX and XC8
Dear all, I am trying to send a message from PIC16F877a through GSM module as shown below.I am considering only a sending process function by using a push-button. Therefore, every time I would press...
View ArticleGPS NMEA antenna aiming tracker.
Hi, I am hoping to make a tracker that will aim antennas towards the signal, based on GPS, NMEA, AIS etc signals. There are some parts to this project that I am capable of doing ok, these are Antennas,...
View ArticleATMEGA328P register regarding
Hi I am new to ATMGEA microcontroller .I have started to check the LED program.It working Line 1: DDRB |= 1 << PINB0; Line 2: _delay_ms(100); Line 3: PORTB &= ~(1 << PINB0); Line4:...
View ArticleMicrocontroller on a motorcycle - General approach and selection of platform/OS
Hey, i am thinking hard about a project involving a mC board (eg. raspberry, arduino, etc.) for use in a motorbike. The application would be to connect some sensors over GPIO and a display, i haven't...
View ArticleGetting an LCD working with pic16f886
I've been trying to get a HD44780 LCD module working with my pic16f886 for a few nights now. I've resorted to trying a ready made solution but I can't even get that to work. I've put an oscilloscope on...
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Looking for research project on logic design and coding of microprocessor.
Hello, I am 3rd year undergraduate student and have a huge interest in logic design of microprocessor and its coding but not the fabrication part.Can someone please suggest me some good research topics...
View ArticleLIS3MDL pololu, bad readings via SPI.
Hi, is there any one with experience with the LIS3MDL sensor, and SPI !? I've implemented, some code to read from the LIS3MDL via SPI, and it works, except that values are always noisy and extremely...
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