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MQ137
I have a Ammonia gas detector (MQ137)...does anybody have any experience with these things? I a variable resistor on the output and have set it to 1V after some burn in test. 1V...
Sunday, 3 May 2015 - 01:46
ATSAMD20 will not soft start, gets halted??
I dont get this...have spend hours trying to figure this out. I am using an ATSAMD20E17A....I am have tried to call NVIC_SystemReset() as well as trying the watchdog reset...
Saturday, 25 April 2015 - 08:35
ESP8266 interfering with PIR HC-SR501 sensor?
Umm...a little confused here. I have a SAMD20 with ESP8266 hooked up to act as a web server. Plus I have a PIR sensor HC-SR501 about 25cm away (wire) connected to the board. The...
Tuesday, 14 April 2015 - 11:00
Attiny, xmega, atsamd
Where do I start... I am going to vent my frustration here... I started out with attiny1634 hoping I would interface it with ESP8266 for a webserver. I almost succedded and ran...
Tuesday, 14 April 2015 - 03:10
Need mosfet for 1MHz switching
Can anyone recommend mosfets for 1MHz switching (600V, 10-50A)?
Thursday, 9 April 2015 - 00:18
IRS2011S heating up?
Why is my IRS2011S heating up? I am clocking at 100KHz....tried in various duty cycles. I have 10uF decoupling cap and 1uF bootstrap cap with diode RB160M. Waveform looks fine to...
Monday, 16 March 2015 - 10:09
Push pull mosfet driving with attiny85
Push pull mosfet driving with attiny85? Does anyone think this is would be possible? I can see Timer1 supports h bridge driving with dead time. I could use opposing legs opposing...
Friday, 6 March 2015 - 06:49
UC3A1256 usb line seems noisy?
Hi guys... Just found something strange... I have a UC3A1256 working as a host with a USB device. I keep getting USb pipe error 0x68 at times. This is an interrupt. Its not 100%...
Saturday, 21 February 2015 - 08:39
cast increases required alignment of target type [-Wcast-align]
Does any known how to get rid of this warning? My code is crashing... Basically I have a struct that I am trying to map on an array of chars. The array of chars is of len sizeof(...
Friday, 13 February 2015 - 22:38
atsam asf library such a mess...
Where do I start? I thought I would come and vent here. Just started coding on atsamd20 for the last few days...and the quality of coding and arrangement there is just obnoxious....
Saturday, 7 February 2015 - 07:43
PCB SMT assembly companies
I design all my designs on Eagle. Generally I have been getting my boards (10x10cm max dimensions) from Seeedstudio.com. So far I have been doing hand soldering all this time...
Friday, 30 January 2015 - 04:37
avr32program is giving me verify error
Hmm...have only recently discovered this. Almost 8/10 times I am getting this Verify error at some sections < 8Kb in the chip. Sometimes over 8Kb too. But less than 8Kb seems...
Friday, 30 January 2015 - 00:04

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