Discovering a Raspberry Pi proper now’s more durable than ever with many distributors promoting out virtually as quickly as they’re restocked. However for those who’re like maker and developer Pi800, you may all the time splice collectively a mod utilizing an outdated Pi to create a sooner, extra environment friendly mannequin that might be in any other case unimaginable to seek out in the marketplace. On this undertaking, Pi800 has up to date a Raspberry Pi 3A+ to make use of a 1GB RAM chip harvested from a damaged Pi.
This mod makes the 3A+ a extra viable contender for initiatives by doubling the RAM from it’s traditional 512MB to 1GB. In line with Pi800, this mod makes use of a chip from an outdated Raspberry Pi 3B+. so recreating it’ll require both sacrificing a Pi or utilizing elements from an out-of-commission module.
This isn’t the primary time Pi800 has dabbled in modifying a Raspberry Pi. They’ve beforehand shaken up the thought of what it means to be an SBC by modifying a Raspberry Pi 400 with 8 GB of RAM—one thing reserved solely for the Raspberry Pi 4.
Within the undertaking thread posted by Pi800, the main points of the mod course of are shared with loads of suggestions for anybody trying to do one thing related. The chip was “reballed” and soldered into place on the 3A+ utilizing sizzling air at 662 Fahrenheit (350 Celsius). Fortunately, the RAM module on each the 3B+ and 3A+ are pin suitable and in a position to match with out extra modification. The chips are soldered in place utilizing 168 “balls” of solder (BGA, Ball Grid Array) which requires a gradual hand to rigorously transplant.
In line with Pi800, benchmarks had been carried out to check the upgraded mannequin to the standard-issue version. Pi800’s exams indicated that the 1GB RAM chip made a noticeable distinction in efficiency, noting that the 512MB mannequin couldn’t even open a browser window. Pi800 defined that the 3A+ was too troublesome to assemble metric data from, nevertheless, particular efficiency metrics are detailed within the authentic thread evaluating the 3A+ 1 GB module to a 3B+. The outcomes indicated the modified 3A+ with 1 GB of RAM was barely sooner than the unique 3B+.
If you wish to see how this Raspberry Pi undertaking was pulled off or possibly improve a Pi of your personal, try the publish shared to Reddit for an in depth take a look at the way it was achieved and make sure to observe Pi800 for extra cool Pi mods sooner or later.