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- Robertm454 commented on 62390's instructable DIY Size & Build a Battery Power Backup Generator W/ 12V Deep Cycle Batteries
- Robertm454 commented on Donald Bell's instructable VK-01 Off-World Bartender
View Instructable »Nice Project! I think I have over half these items in my basement after my Aquaponics project. I wonder if there are cocktail competitions in Canada.
- Robertm454 followed Donald Bell
- By Donald Bell
- Robertm454 commented on Yonatan24's instructable DIY Bike Rear Rack With a MAGNETIC U-lock Mount! (no Welding)View Instructable »
Aluminum to steel is subject to https://en.wikipedia.org/wiki/Galvanic_corrosion. I suggest plastic washers to separate the metals.
- Robertm454 commented on bekathwia's instructable Solar USB ChargerView Instructable »
Nice build. I've been using the SparkFun ESP8266 for my solar projects. It includes a LiPo charge circuit that works without any programming. It's $2 cheaper that the Adafruit charger board but quite basic. https://www.sparkfun.com/products/13231
- Robertm454 commented on evandromiami's instructable Lettuce For Life - Arduino 101 Based Automated Controller for Hydroponics, Aeroponics, Aquaponics, Etc. Intel CurieView Instructable »
Nice comprehensive project. I would suggest skip the LCD and use the bluetooth. I really like http://appinventor.mit.edu/explore/ for doing Android apps and remote monitor temperature and voltage on other Arduino projects I've done. I've also sprouted plants by a window and used NeoPixels to supplement in the evenings. I'm not sure what spectrum I end up with but generally full R and less G and B. Sounds like I should go full B and half or less G
- Robertm454 commented on webgeeks's instructable How to build an Arduino Uno on a BreadBoardView Instructable »
Pin 2 and 3 are TTL serial. I believe a standard RS232-C cable you can get for USB will damage the inputs. You really need a Arduino Uno to program since it already does the USB to TTL conversion plus the Arduino IDE has all the functions to load the bootloader and program the chip.
I have one of these and pretty happy with the power I get out. https://www.canadiantire.ca/en/pdp/noma-100w-solar-panel-kit-0110004p.html (many others on Amazon)