Re: Alternative Batteries
Thank you for the reply. I did receive the kit (very fast delivery thank you!) and built it with no difficulty. Only mistake, I have to admit, even though I was aware of the 8-pin socket proper orientation, it kept falling out when inverted to solder, so I ended up soldering upside-down (yes, you warned in the instructions) but no worries, I just made sure the IC chip went in the proper way. Other than that a very easy 1st project completed in less than 1hr.
One last thing, I found that it was too easy to allow too much solder to flow creating a blob on the underside of the PCB, I guess I kinda fixed that by working a little faster, and not allowing the gun to stay in contact too long. Well, we learn as we go by our mistakes!
Interestingly enough, I do not get 5V output but 4.96 (!?). However, the charger works fine, it charged everything I connected that I normally charge from my PC's USB source. The IC does not get very warm during the charging cycle, I can barely feel a slight temperature increase (which is good, right?). Also, the voltage output from the 2nd and 3rd USB pins to either outer pin (1st or 4th) shows a constant 1.92 or 1.93 V.
So! What do you think?
Is this a "bad" sign that I do not get between 5 and 5.2V but 0.04V less than 5V? I hope not.
I also used rechargeable batteries that have been constantly used for at least 3-4 months, however they were fully charged and their output was a "healthy" 1.38V before testing with the MintyBoost.
Now, ideally, what I would like to do is find a way to connect the battery charger to the MintyBoost in such a way so that it charges the rechargeables inside. So, I will study the link and picture you provide me and return with questions. I will do my homework first so my questions will be few and to the point.
Thank you so much for everything: Great website, great projects, great customer service, great support. You guys are all great at AdaFruit!
Thank you !