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MCP73833 LI-ION Charger acting strange
Hi Guys   I am trying to get a MCP73833 working however it seems to be acting strange. I have two versions wired up identically however the PCB layouts are ...
Thursday, 8 October 2020 - 17:45
Watchdog set sequence confusion
Hi All   In the atmega328pb data sheet it gives a timed sequence to change the watchdog timer. There is one point i do not understand it seems as my watchdog generates resets...
Friday, 28 August 2020 - 05:15
SRAM size at compile time vs run time?
Hi All   How does one know when your SRAM is too full at compile time and whether your code will crash during runtime? For example i write some code for a micro that contains...
Thursday, 27 August 2020 - 11:26
ATMega4809 i2c will not execute start condition
Hi All   I am struggling to execute a start condition with an ATmega4809. I am actually confused as to how i am supposed to even transmit a start condition. Here is my code...
Sunday, 9 August 2020 - 13:42
Boost regulator excessive noise
Hi All   I am trying to boost 3.3v to 5v using a MCP1624 boost regulator. I have built a PCB exactly as the data sheet shows. Identical trace thickness and routing. When I...
Friday, 7 August 2020 - 17:29
Cannot consistently read UART data
Hi   I am interfacing with a SIM800L module. I can get the device to work and all however I would like to implement error handling based on the GSM module responses. I...
Thursday, 30 July 2020 - 19:35
Compiler errors for device atmega328PB but works for atmega328P
Hi All   I have been having trouble lately when compiling my programs in atmel studio 7 when the atmega328PB device is selected and I have included header and C files to...
Tuesday, 19 May 2020 - 16:00
sam4s Xplained cannot toggle GPIO faster than 3MHz
Hi All   Ive been trying to setup the PLLB on my sam4S explained board to increase the clock frequency to the maximum. For some reason i cannot make the GPIO pins toggle...
Saturday, 2 May 2020 - 15:33
xplained pro 4S programs but not executing
Hi All   I am using a sam4s Xplained pro board with atmel studio 7. I have successfully flashed the example projects on the board and verified they work with the pushbutton...
Saturday, 2 May 2020 - 12:05
Registers not setting as expected in debugging mode
Hi All   I am using an Xplained sam4s board. My goal is to understand working with the Parallel input/output controller. What i have done is written a simple program that...
Friday, 13 September 2019 - 18:48
Xplained sam4s pro failed to launch program timed out waiting for chip to recover
Hi All   Firstly i would like to thank David Prentice for very generously giving me one of these boards, very kind of you Sir.   I had time this weekend to try use the...
Monday, 26 August 2019 - 18:22
Transitioning from 8 bit to 32 bit so many options to learn
Hi All I want to try start learning how to program and use 32 bit microcontrollers mainly due to resource constraints such as RAM and speed. The SAM M cortex chips are also...
Tuesday, 18 June 2019 - 15:06

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