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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
Writing logged data from sensor to flash once SRAM is full?
Hi   This is more of a general memory question. Not sure where to post it.   I have an ESP8266 that logs data from a sensor. The sensor outputs a 1 byte number and the...
Thursday, 12 April 2018 - 16:52
Op amp virtual ground confusion
Hello Inter web I am confused with virtual ground used for op amps and I cannot verify my calculations with measurment because of virtual ground. My setup is as follows: LM358...
Saturday, 24 February 2018 - 20:26
Photodiode op amp circuit trouble
Hello Internet   I am trying to amplify the voltage signal from a photodiode. The signal ranges from 0.150 V to 0.3 V. I am using an LM358N op amp. When i read the...
Wednesday, 21 February 2018 - 09:07
MPU 6050 cannot transform roll and pitch with yaw rotation
Hi Guys   I am trying to read and integrate the values of a MPU 6050 to display Roll, pitch and yaw on a display. Up to now I have successfully been able to read and...
Monday, 25 September 2017 - 15:32
Send collected data to windows computer through USB
Hi Guys   I have a project in mind but I am not sure what the easiest solution will be. I have googled but i cannot get the answers I am looking for.   So the idea is to...
Wednesday, 30 August 2017 - 18:51
433 MHz wireless unit does not sync when using UART to send
Hi Guys   Ive been working on a project whereby i need to send an char via a 433MHz transmitter to a receiver. The idea is to receive the char and then display it on a screen...
Tuesday, 18 July 2017 - 17:28
Cheaper uC than the atmega169?
Hey guys   I have been building a speedometer and trying various different things just out of boredom mostly. One major issue I am experiencing is space! I am struggling to...
Tuesday, 10 May 2016 - 06:41
Capacitive touch button behind LCD screen
Hi guys   i have recently built a speedometer (version 2) with an LCD display driven by a LCD driver chip and a microcontroller (atmega168). All the electronics are small and...
Thursday, 31 March 2016 - 09:15
Using RF for lap timing?
Hey guys. I have been trying to build a lap timing device that times my laptimes around a track with my bike. i have built something that trips with a laser but only one person...
Sunday, 21 February 2016 - 18:11

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