Discussion Title | Created date |
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500 ohms One of the lessons I learned from my high school electronics teacher was DC analysis, or how to combine multiple resistors to obtain the value you needed. He would stand in the... |
Wednesday, 24 July 2019 - 15:44 |
Version string? I'm working on an project, in one of the source code headers the sw version number is defined in two places, once as a set of defines and in another as a const char string. I not... |
Friday, 19 July 2019 - 14:03 |
Leaning Electronics resource I just came across this online textbook / tutorial and thought I would post the link in case a beginner needs a free and good source to learn by: https://www.allaboutcircuits.com... |
Tuesday, 20 November 2018 - 15:13 |
New IoT sensor node w/ M4808 + wifi + battery FYI: Just got a notice from Digikey about this new offering from MC It has a M4808 + wifi and provides usb charging of lipo battery (not included) MC part # AC164160 DK part #... |
Tuesday, 30 October 2018 - 15:47 |
Pro-Micro bootloader Recently while working on a project I picked up some Arduino pro-micro's (M32u4) from two different vendors, when plugged into my Win10 PC, half came up as Leonardo's, the other... |
Tuesday, 9 October 2018 - 13:03 |
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,... |
Thursday, 19 July 2018 - 19:23 |
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... |
Friday, 25 May 2018 - 18:08 |
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... |
Tuesday, 27 March 2018 - 19:12 |
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,... |
Friday, 19 January 2018 - 15:32 |
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... |
Thursday, 21 December 2017 - 14:11 |
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... |
Friday, 4 August 2017 - 20:44 |
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... |
Monday, 15 May 2017 - 18:00 |