Greg
@GregDavill
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Joined March 2009
As much as I love different coloured PCBs. Green is still such a classic! 😍
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RT @GregDavill: I could save a bit of PCB space if all my 0201 resistors were mounted sideways 🤔
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RT @GregDavill: Feels weird working on a "large" PCB. Since most of the circuit boards I work on are smaller than a business card. Nice t….
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RT @GregDavill: @ghidraninja I use this stuff for all my rework/bodges: 0.1mm standard enamel wire. .
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Handy that the default 0603 footprints can accommodate a 0402 part if carefully placed. 🫲😅🫱
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RT @Hacksterio: .@GregDavill adds Wi-Fi to a Daikin AC controller for smart home integration.
hackster.io
An ESP32-C3 board interfaces with Home Assistant to add automations to a P1P2-based split system.
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This is all accomplished using the ECP5's built-in 5Gbps serdes blocks and fantastic opensource tools: nextpnr+Yosys, amaranth and LUNA USB gateware. 🥳🙌🌺.
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The ECP5/SS support in LUNA has a little bitrot. But over the weekend I did manage to get it to enumerate as a Super Speed device. 🥳
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Honey I shrunk the LDOs. NCP163 series. 0.6x0.6mm WLSCP package.
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This has been working for awhile. And I just fixed up a few remaining bugs. So I finally got around to wrapping it up into a blog post. Enjoy!.
gregdavill.com
An endeavour to add WiFi control to ducted air conditioner/heat pump system
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Something I should have tried out sooner, making use of the USB 3.0 parts of the luna USB stack on the ButterStick FPGA board. Spun up a simple breakout with a PD controller and data lanes connected to a Type-C.
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Should work nicely. This brings out plenty of I/O from the RP2350B's 80 pin package 😋
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RT @GregDavill: unrelated: any reason you can think of to design the coverlay in a wavy pattern like this on an FPC?. Or was the designer a….
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