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- 11:38, 11 March 2021 diff hist +320 User:Definitionofis New Li-ion discharge protection project for my car battery booster
- 06:16, 27 February 2021 diff hist +251 m User:Definitionofis new project title
- 08:18, 29 February 2020 diff hist +18 m Motherboards that run Linux improved the title of Odroid XU4 link
- 08:14, 29 February 2020 diff hist +14 m Wiki Odroid plus USB troubleshooting and GPIO upgrade notes added "Odroid XU4" for title clarity
- 08:13, 29 February 2020 diff hist +14 m HOW TO ACCESS pin 5 of CONNECTOR 11 GPIO added "Odroid XU4" for title clarity
- 08:06, 29 February 2020 diff hist +1 m Wireless remote switch, button press: 1 second=ON, 3 seconds=OFF typo
- 08:04, 29 February 2020 diff hist +69 m Wireless remote switch, button press: 1 second=ON, 3 seconds=OFF lightning not being 60Hz; added words.
- 08:00, 29 February 2020 diff hist +137 m Wireless remote switch, button press: 1 second=ON, 3 seconds=OFF reworded for clarity.
- 07:37, 29 February 2020 diff hist +326 m Odroid XU4 Weeding Spraying Robot added the video of the robot spraying weeds
- 08:55, 29 January 2020 diff hist +2 m HOW TO ACCESS pin 5 of CONNECTOR 11 GPIO 3.3v not 5v
- 08:54, 29 January 2020 diff hist +202 HOW TO ACCESS pin 5 of CONNECTOR 11 GPIO add a circuit for logic level raising to 5v instead of 1.8v.
- 08:51, 29 January 2020 diff hist +139 m HOW TO ACCESS pin 5 of CONNECTOR 11 GPIO better wording explaining why it is called pin 45.
- 08:44, 29 January 2020 diff hist +3,730 N HOW TO ACCESS pin 5 of CONNECTOR 11 GPIO odroid gpio sub-category
- 08:40, 29 January 2020 diff hist +4 m Wiki Odroid plus USB troubleshooting and GPIO upgrade notes link to gpio
- 08:38, 29 January 2020 diff hist +712 N Wiki Odroid plus USB troubleshooting and GPIO upgrade notes create a sub category for the gpio hardware improvement
- 08:32, 29 January 2020 diff hist +42 m Motherboards that run Linux change odroid wikipedia to wiki to be accurate
- 19:30, 17 August 2019 diff hist 0 m User:Definitionofis faster video
- 19:24, 17 August 2019 diff hist 0 m User:Definitionofis better video
- 19:21, 17 August 2019 diff hist -41 m Odroid XU4 Weeding Spraying Robot wording
- 19:18, 17 August 2019 diff hist 0 File:Odroid-xu4-pin5-mosfet-switch.png Definitionofis uploaded a new version of "File:Odroid-xu4-pin5-mosfet-switch.png" current
- 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.
- 10:58, 26 December 2018 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": added notes for buying an H-bridge to attach to it, plus the zener was backwards in the old diagram.
- 10:14, 3 April 2018 diff hist +139 Wireless remote switch, button press: 1 second=ON, 3 seconds=OFF better wording of the receiver-IC current-limit problem.
- 12:04, 1 March 2018 diff hist +34 m Wireless remote switch, button press: 1 second=ON, 3 seconds=OFF increased R9 by 10x because my receiever was failing intermittently due to too much current drain
- 11:57, 1 March 2018 diff hist 0 File:315Mhz wireless remote-switch 120vac-off-on.png Definitionofis uploaded a new version of "File:315Mhz wireless remote-switch 120vac-off-on.png": Changed R9 to 100K from 10K because the receiver module was intermittently not delivering sufficient current. I was drawing >500uA and the limit current
- 11:56, 1 March 2018 diff hist 0 File:315Mhz schematic.png Definitionofis uploaded a new version of "File:315Mhz schematic.png": Changed R9 to 100K from 10K because the receiver module was intermittently not delivering sufficient current. I was drawing >500uA and the limit is 200uA in some documenta current
- 19:24, 28 February 2018 diff hist 0 File:315Mhz wireless remote-switch 120vac-off-on.kicad pcb Definitionofis uploaded a new version of "File:315Mhz wireless remote-switch 120vac-off-on.kicad pcb" current
- 19:24, 28 February 2018 diff hist 0 File:315Mhz wireless remote-switch 120vac-off-on.png Definitionofis uploaded a new version of "File:315Mhz wireless remote-switch 120vac-off-on.png"
- 19:23, 28 February 2018 diff hist 0 File:315Mhz wireless remote-switch 120vac-off-on.sch Definitionofis uploaded a new version of "File:315Mhz wireless remote-switch 120vac-off-on.sch" current
- 19:21, 28 February 2018 diff hist 0 File:315Mhz schematic.png Definitionofis uploaded a new version of "File:315Mhz schematic.png"
- 19:17, 28 February 2018 diff hist +225 m Wireless remote switch, button press: 1 second=ON, 3 seconds=OFF add some antenna ideas and quality purchases.