In GT3 configuration, this so-called "split" crankcase (meaning the parting line of crankcase is on the crankshaft centreline) uses, instead of a fan and finned cylinders, separate water jackets added onto each side of the crankcase to cool banks of three cylinders with water pumped through a radiator. The engine uses the original air-cooled 911's versatile dry-sump crankcase, with an external oil reservoir. That engine was known as the 'Mezger' engine, after its designer Hans Mezger. The engine is naturally aspirated and based on the unit used in the 962 and 911 GT1 race cars. The engine of the 996 GT3 set it apart from most of the other 996 models, although it shared the same basic design of the standard so-called "integrated dry sump" flat-six engine. Sound deadening was almost completely removed, as were the rear seats, rear loud speakers, sunroof, and air conditioning, although automatic air conditioning and CD/radio became no-cost optional add-ons. As with Porsche's previous 911 RS models, the 996 GT3 was focused on racing, and so was devoid of items that added unnecessary weight to the car. Bharbour has added a new log for Simple LED Matrix Alarm Clock.The "GT3" nameplate was introduced in 1999 as part of the first generation of the Porsche 996 model range (commonly known as 996.1 ) as a homologation model for the cars entered in the FIA GT3 cup.Bharbour has updated details to Simple LED Matrix Alarm Clock.Bharbour has updated the log for Simple LED Matrix Alarm Clock.Aaed Musa has updated details to Rubik's Cube Solver.Augusto Baffa liked The Hobbyists Guide to FPGAs.Tektronica liked OSUG: Open-Source Underwater Glider. minh7a6 wrote a reply on QMP32B: ARM Cortex M4F 3D Printer Controller Board.G Fri ngc on Compact Mouse Jiggler Keeps Boss Off Your Back.Alexander Pruss on Compact Mouse Jiggler Keeps Boss Off Your Back.Gilad on Retrotechtacular: Military Graphics In The 1960s.Jeff Brown on Annoying Cicada Magnet Is Nonetheless Authentic.dudefromthenorth on Building A Truss-Braced Model Airplane: Sense Or Nonsense?.Adjustinthings on Annoying Cicada Magnet Is Nonetheless Authentic.Gregg Eshelman on Compact Mouse Jiggler Keeps Boss Off Your Back.Gregg Eshelman on It’s A 486 Computer, On A Breadboard.Truth on It’s A 486 Computer, On A Breadboard.Hackaday Berlin: The Badge, Workshops, And Lightning Talks 10 Comments Posted in Tool Hacks Tagged caliper, digital, ESP32, measurement, metrology, micrcontroller, SAM32, SAMD51, serial, tools Post navigation Taking multiple readings is easy now that the user never has to swap calipers for a pen.Ĭheap calipers like these are pretty hackable – you can add Bluetooth, turn them into DROs for a milling machine, or even make them talk. It’s hard to tell how is triggering readings, but the SAM32 is mounted as a USB device and sends keystrokes directly to a spreadsheet – yes, with the ESP32 it could have been wireless, but his client specifically requested a wired setup. An inverting buffer interfaces the serial lines to the board, which is just the right size to mount on the back of the caliper head. A little Internet sleuthing revealed the pinout for the connector as well as some details on the serial protocol used by most digital calipers: 24-bit packets is six four-bit words. used his SAM32, a neat open-source board with both a SAMD51 and an ESP32 that can run CircuitPython. found that cheap Harbor Freight digital calipers have the telltale door that covers a serial connector, making them a perfect target for hacking. But the good ones are expensive, and really, where’s the fun in plugging a $75 cable into a computer? So when was asked to trick out some calipers for automating data capture, he had to get creative. Now, digital calipers with wired interfaces to capture the current reading are nothing new.
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