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1 March 2025
- 09:1909:19, 1 March 2025 Bluetooth LE (hist | edit) [1,528 bytes] Dank (talk | contribs) (Created page with "Also known as BLE. Not to be confused with Bluetooth, which is completely different except for where it's the same. ==GATT== The Generic Attribute Profile is the core BLE API. A server implements <i>services</i>, which are collections of one or more <i>characteristics</i>, and may have zero or more <i>secondary services</i>. A characteristic has a value, and optional <i>descriptors</i>. All three of these objects have UUIDs. Some UUIDs are assigned, and refer to sta...")
- 08:5808:58, 1 March 2025 Local speech control (hist | edit) [341 bytes] Dank (talk | contribs) (Created page with "==OpenWakeWord== Devilish [https://github.com/dscripka/openWakeWord python], ugh. * <tt>python3 -m venv ~/venv/openwakeword</tt> * <tt>~/venv/openwakeword/bin/pip3 install openwakeword</tt>")
18 January 2025
- 20:5320:53, 18 January 2025 Ciudad Juárez (hist | edit) [44,235 bytes] Dank (talk | contribs) (Created page with "Ray kicked back in his waiting-to-heal bed, his chest patched up with surgical tape, 3M Steri-Strip antimicrobial skin closures, with pressure-sensitive adhesive containing an iodopher germicide, diatomic iodine complexed with an ordinary amphiphilic surfactant, and a nonwoven backing, reinforced with filaments of polyethylene terephthalate, for tensile strength and energy absorption, and finer wound-edge approximation; the deep wounds over his heart and lungs had been n...")
14 January 2025
- 17:3917:39, 14 January 2025 Load cells (hist | edit) [1,225 bytes] Dank (talk | contribs) (Created page with "Electric load cells are transducers converting tension/compression/torque into an electrical signal (usually a voltage level). Combined with a suitable ADC, they're the usual way to get deformation (e.g. weight) measurements into MCUs like Arduino or ESP32. ==Suitable ICs== * Infineon HX711: two-wire communication. Difficult to find as a discrete component; more frequently available on breakout boards, including from Adafruit and SparkFun (SEN-13230, SEN-13879)....")
- 05:5005:50, 14 January 2025 SMBus (hist | edit) [652 bytes] Dank (talk | contribs) (Created page with "SMBus, designed by Intel and Duracell, is very similar to I<sup>2</sup>C from Philips. It is a single-ended two-wire protocol. It supports V<sub>DD</sub> from 3V to 5V (SMBus 2.0) or 1.8V to 5V (SMBus 3.0). ==Differences from I<sup>2</sup>C== * Clock low timeout at 35ms, and a minimum clock frequency of 10 kHz to support this. * Shared alert/interrupt signal")
9 January 2025
- 21:0321:03, 9 January 2025 Electronics (hist | edit) [8,712 bytes] Dank (talk | contribs) (Created page with "I find the study of electronics to be somewhat frustrating. Maybe things would have been different if I'd been CmpE or EE, but I could find no real axiomatic treatment of the material. You've got QED (largely irrelevant save to confuse), and classical emag (magnets end up being rather less important than thought), and circuit laws (lots of these), and rules of thumb, and there's no great taxonomy of components, and the people on the forums are mostly braindead. So I'm ta...")