To be honest, aside from some AC wall adapters, I cant think of any console that I’ve ever needed ‘just’ a step-down. Once again as the name implies this takes things down… if the console needs to run at 5V but there is 9V supplied, then you’d need a step-down to, well, step-down the voltage from 9V to 5V. Supply a 3V step-up with 5V and that’s likely to toast the board. 3V, 3.3V, and 5V regulators will output 3V, 3.3V, and 5V respectively, but you don't want your supply voltage to be higher than the rated output of the regulator you’re using. Just as the name implies, this type steps-up the voltage from a lower voltage to the specified regulator voltage. Lets cover some basics here - voltage regulators are primarily defined by their output voltage and function: Note: There is such thing as a ‘current regulator’ that controls current, but that’s a different topic for a different day.
#Gameboy dmg ac adapter free#
To Shawn’s saying “There is no free lunch”, there is a cost to this step-up/boost in that the current (amperage) draw increases relative to the voltage… the lower the battery voltage, the more current the voltage regulator needs to step-up/boost the voltage to 5V. So in a nutshell a voltage regulator, I’ll speak in terms of a Game Boy Pocket, takes the battery voltage (which tops out around 3V) and “steps-up” (aka “boosts”) that to 5V, which is what the Pocket uses. If you’ve never talked with Shawn before, he’s one of the most knowledgable people I know, has written a few articles for us, and is extremely generous in sharing information with people.
I figured if I needed a video, then I am sure others do too. And while explaining it to me it made sense, I was feeling very intimidated at the time… I couldn’t find any tutorial anywhere online, so what I did was ‘bribe’ ) Shawn into making a video for me and sharing it on YouTube so that others could find it too. “A voltage what?” I think was my response. I remember it well - I was working on my first Game Boy Pocket that I successfully backlit in the sense that I got the reflector a rear polarize off of the display and hooked up everything, but it was a mess… the backlight would dim on and off, sometimes even crashing the console if I played something with an intense intro like Legend of Zelda.Īt the time I was still new to console modding so I reached out to my friend Shawn Maxwell (sjm4306 on YouTube) and in that conversation he mentioned I needed a voltage regulator.
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