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Reflow with hot air gun or kitchen oven? I have a Toyota key fob that seems to have a dry joint or similar. It only works if I twist the PCB slightly. Since these things cost hundreds to replace, is there any mileage in... |
Tuesday, 30 July 2019 - 09:55 |
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PIC programming I expect I'll be Blynched, but here goes anyway... It's all the same happy bunch of pals company now, right? An old client of mine has a bunch of PCBs that I designed several... |
Friday, 22 March 2019 - 13:27 |
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Strange Alexa Bluetooth problem. My wife's Echo dot is usually connected via Bluetooth to a little BT receiver that plugs into the aux input of our dining room "HiFi". After it's been connected for some... |
Friday, 8 March 2019 - 11:12 |
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XMEGA-A3BU XPLAINED yours for postage. Found this whilst looking for something completely different. I'm probably never going to use it, so yours for postage cost(which I guess limits it to UK). |
Saturday, 2 March 2019 - 14:48 |
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Hi side FET switch for low voltage I'd like to switch the power to a small OLED display, it draws under 50mA, could be a lot less, but depends on active pixels. It is, however, too much for me to supply the Vdd... |
Friday, 18 January 2019 - 08:00 |
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1 inch fuse I blew the fuse on my trusty multimeter. Nothing in my RS fuse selection box from 35 years ago(starts at 1A). The only place I can find 1" by 1/4" 500mA quick blow is Farnell, who... |
Tuesday, 27 March 2018 - 12:24 |
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Strange failure mode of toothbrush My electric toothbrush used to have two speeds, press once for slow, twice for fast, a third time for off. Now it goes from off to fast to off. It's not likely to be switch bounce... |
Saturday, 20 January 2018 - 14:55 |
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How to: power consumption of intermittent, spikey projects Seriously, how do y'all work out power consumption of interrmittent, spikey projects? I generally use one of two methods: a) Measure the running current by disabling the sleep,... |
Wednesday, 6 December 2017 - 08:58 |
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Diode pump voltage doubler to drive FET I'm trying to drive an N channel FET from a Mega328 running on 3V (8MHz). I'm having trouble finding any through hole mounting device that will turn on properly at 3V. Since I don... |
Friday, 13 October 2017 - 17:29 |
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What voltage would you expect to see on a ceramic resonator? I have a 24mHz resonator on a micro(not AVR, actually Kinetis) and the waveform is roughly 480mV peak to peak. Is this what you'd expect? I'm having trouble whereby as soon as I... |
Friday, 7 October 2016 - 10:54 |
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AVRISP MK2 stopped working. For many years, I have used a few batch files to program ATTiny44 chips for a client. Every now and then he asks for 50 or 100, and I program them and forget about them for a few... |
Wednesday, 18 May 2016 - 18:20 |
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Guitar jack to line levels. I know there are a few axemen on these forums, so... Anyone point me at a simple circuit to convert an electric guitar output to standard line in level? Preferably working from 3... |
Friday, 18 December 2015 - 10:18 |