curelop.blogg.se - Adafruit trinket keyboard

What is the power consumption of those components? You may need to go to a data sheet or to a multimeter with sub-milliamp resolution for this.

What components do you have other than the trinket?.

So, getting back to your questions, here are some things you should answer:

Getting to that point involved doing a bunch of measurements to figure out what was eating power, and optimizing for what I actually measured. Not sure how much less because at that point I called it a day. In that case, the more you can reduce the duty cycle, and the more you can reduce the power consumption during the idle times, the less you need to worry about what happens during the active times.įor example, I did a project with an Arduino Pro Mini a few years back that runs for months off a 2200mAh LiPo, meaning that its average current draw is in the ballpark of 1mA or less. Some of your other proposals - sleep, mainly - are excellent if your microcontroller doesn't have to be on all the time (that is, <100% duty cycle). Some of your proposals so far - desoldering the power LED (which isn't a stupid idea, provided that you are comfortable with that kind of soldering work), lowering the clock speed, futzing with the voltage regulator - are good ideas if your microcontroller is on and doing something 100% of the time (that is, 100% duty cycle), and therefore you need to reduce its power consumption with fixed duty cycle. When submitting a link or text-post, tagging your submission will help others find it quickly (Hint: Use our Tag Guide for help).So, this 100% comes down to what your controller is doing. Any "What keyboard/switch should I buy?" questions should be posted in the Sticky at top of the page.

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