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- 19:11, 17 August 2019 diff hist 0 N File:Odroid-xu4-pin5-mosfet-switch.png
- 19:10, 17 August 2019 diff hist +417 m Odroid XU4 Weeding Spraying Robot add a circuit diagram for that gpio pin 5 conn11.
- 18:51, 17 August 2019 diff hist -3,437 m User:Definitionofis reorganize the main to sub-page
- 18:47, 17 August 2019 diff hist +3,591 N Odroid XU4 Weeding Spraying Robot add the npn/mosfet switch controlled by the Odroid XU4 gpio
- 15:08, 2 August 2019 diff hist +3,639 m User:Definitionofis Starting a new project Robot Weed Sprayer GPIO notes
- 13:04, 29 June 2019 diff hist -1 m MPPT Solar and Wind Power Boost Charge Controller typo .2Hz=10Hz
- 13:02, 29 June 2019 diff hist +57 m MPPT Solar and Wind Power Boost Charge Controller Add a tutorial link about OpAmps
- 12:14, 29 June 2019 diff hist +2,406 MPPT Solar and Wind Power Boost Charge Controller Important description of how the calculus integrator C9 feedback is essential for FB pin.
- 08:20, 12 January 2019 diff hist +34 User talk:Definitionofis problem overwriting by upload, .sch files on opencircuits.com current
- 08:10, 12 January 2019 diff hist +7 m MPPT Solar and Wind Power Boost Charge Controller punctuation error
- 08:08, 12 January 2019 diff hist +870 m MPPT Solar and Wind Power Boost Charge Controller more words
- 13:04, 11 January 2019 diff hist +991 m MPPT Solar and Wind Power Boost Charge Controller A much better explanation of the circuit, because I came back and did not understand the words, at first.
- 11:00, 5 January 2019 diff hist +182 User talk:Definitionofis Error reported by opencircuits: overwriting schematic file extensions, .sch, fail with MIME error. I am using KiCAD to create the .sch file.
- 10:51, 5 January 2019 diff hist +75 m MPPT Solar and Wind Power Boost Charge Controller add a video of the first successful power up of the board
- 10:27, 5 January 2019 diff hist 0 File:Irrigation Timer Sun Tracker motor driver.png Definitionofis uploaded a new version of "File:Irrigation Timer Sun Tracker motor driver.png": Reduced R2, for enough sun sensitivity, but less susceptible to possible moisture leakage across the transistor, which is out in the weather insid
- 15:25, 26 December 2018 diff hist +222 Sun Tracker or Irrigation Timer to drive motors Mentioning my 5v zener broke, replaced with a resistor.
- 11:19, 26 December 2018 diff hist +94 m Sun Tracker or Irrigation Timer to drive motors .sch will not upload. Complains about MIME name not matching.
- 11:04, 26 December 2018 diff hist 0 Sun Tracker or Irrigation Timer to drive motors
- 11:03, 26 December 2018 diff hist 0 N File:Irrigation Timer Sun Tracker photo of.png current
- 11:02, 26 December 2018 diff hist +52 Sun Tracker or Irrigation Timer to drive motors added a photo of mine with a new $3.86us ebay H-bridge bolted to it.