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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
Help choosing an instrumentation amplifier for k type thermocouple
Hey guys i have unsuccessfully tried to amplify a k-type thermocouple signal using an op amp as a non inverting amplifier. i have been reading and researching and it seams quite...
Friday, 5 February 2016 - 05:38
Help on how to use a shunt voltage regulator
Hey guys, i was having problems reading resistance values from an NTC thermistor. The adc value would fluctuate a lot. i figured that i go back a few steps and make sure the...
Wednesday, 27 January 2016 - 19:44

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