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Looking for relay driver Hey guys, I'm working on reworking a pcb trying to make room for more stuff! The current board has 10 5v coil relays and 10 npn's and assorted passives to drive it,... |
Thu. Jul 19, 2018 - 07:23 PM |
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Industrial HVAC VAV control My google foo must be off today, or maybe it just I'm a bit under the wx, as I'm not coming up with the info or a hackaday demo for this. I'm looking for info on how to... |
Fri. May 25, 2018 - 06:08 PM |
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GPS based clock missed seconds Not sure the best forum to post this, but since it is an Arduino sketch I'll try it here. Background: I've always wanted to build one of those self setting clocks and... |
Tue. Mar 27, 2018 - 07:12 PM |
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I2C pcb layout? I have a question on I2C trace layout, I know it is considered a bus, and one would run the SDA/SCK lines from one device to the next. I'm laying out a pcb and have four devices,... |
Fri. Jan 19, 2018 - 03:32 PM |
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Put a workbench in your pocket Perhaps this should be in market place, but wanted to share. https://www.kickstarter.com/projects/pokitmeter/a-multimeter-oscilloscope-and-logger-that-fits-in Happy... |
Thu. Dec 21, 2017 - 02:11 PM |
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Xtal load caps I'm working on a project that has a xtal in a similar configuration to the ones on an AVR, with load caps on either side. The DS for the xtal states Load Capacitance... |
Fri. Aug 4, 2017 - 08:44 PM |
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15v switch mode regulator I need to come up with a 24v in - 15v out 1 amp or less switching regulator for a project I'm working on. 10k+ units needed so cost is important, looking for min of... |
Mon. May 15, 2017 - 06:00 PM |
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ExpressPCB gives away project box Ok, I hope this does not sound like a promotion, but here goes, I just received a project box from ExpressPCB that is designed to fit their mimi-board pcb's. The "box" comes in... |
Wed. Aug 10, 2016 - 01:14 PM |
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looking for moving average code Hi freaks, I have searched for some code posted here for a moving average that used a single float and an int new sample returning an updated float value, instead of... |
Wed. Dec 30, 2015 - 06:02 PM |
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State Machine Tutorial The link in this tutorial is broken, does anyone have a copy of the tutorial or a link that works please? https://www.avrfreaks.net/forum/t... Jim |
Mon. Oct 12, 2015 - 07:58 PM |
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Win7 Pro + AS4.18sp3 + Dragon error The HD on my WinXP machine died, so replaced the HD and loaded Win7 Pro (64bit) and after restoring all the files I had backed up I'm trying to load a test program via my dragon... |
Sun. Aug 23, 2015 - 02:36 AM |
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Tiny25 cpu speed? This is an odd problem, so I'm looking for suggestions on where to look. I have been building 12v battery monitors for several months, each unit is programmed the same... |
Tue. Jan 13, 2015 - 01:57 PM |