It's our lowest-cost arduino-IDE programmable board! Perfect for when you don't want to give up your expensive dev-board and you aren't willing to take apart the project you worked so hard to design.
We wanted to design a microcontroller board that was small enough to fit into any project, and low cost enough to use without hesitation. Plug in your setup and make sure the above connections are on and working, otherwise don’t progress to the rest of the wiring.Trinket may be small, but do not be fooled by its size! It's a tiny microcontroller board, built around the Atmel ATtiny85, a little chip with a lot of power. For additional info on the potentiometer, see here. On the included picture, there is a white wire on the lefthand side of the potentiometer going to the – ground column of the breadboard, and a red wire on the righthand side of the potentiometer, going to the + column of the breadboard. Then you have 2 additional wires to hook up to the poteniometer. breadboard + column red wire to Trinket Pro 5V 150 mA.breadboard – column white wire to Trinket Pro Ground.Let’s start by hooking up the main power and ground wires: The pins are unlabeled, however they run from pin 1 on its left hand side to pin 18 on its right hand side. The Adafruit RGB character LCD has 18 pins on either side of it, we will only use one side of pins. This tutorial uses the RGB negative backlit character LCD (along with accompanying 10K potentiometer), and the Trinket Pro 5V, and runs the example sketches in the LiquidCrystal Arduino example library, which can be downloaded here. I tried a few of the smaller microcontrollers currently available, and found this one to be the easiest to get up and running. This tutorial can be done by someone with little or no experience with the smaller microcontrollers out there. Basically, if you can wire your LCD display to an Arduino Uno, it is fairly easy to then substitute in a Trinket Pro 5V in place of the Uno, and end up with a much more compact, more portable setup. This tutorial covers how to wire and successfully run Arduino Uno sketches on an RGB negative LCD display using a Trinket Pro 5V USB micro-controller.
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