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Dog-leg hypotenuse approximation — Parallax Forums
Less than 1% error.
to approximation cute-code embedded geometry maths optimisation ... on 13 July
The source code for the (original 1998) Furby. Apparently nobody's written a MAME implementation yet!
to amusements electronics embedded furby retrocomputing ... on 29 June 2020
Cheap RF - a low cost open source 802.15.4 platform
"The CC2533 sends and receives 802.15.4 packets at 2.4GHz, there's hardware support for AES-128 encryption, an 8051 CPU and the usual collection of SoC devices uarts/spi/i2c/gpios/timers etc." With SDCC-based toolchain and libraries.
to electronics embedded low-power microcontroller radio ... on 22 January 2015
Ringing in 2015 with 40 Linux-friendly hacker SBCs · LinuxGizmos.com
The pcDuino v3 nano is looking especially interesting -- Allwinner A20 CPU with gigabit Ethernet, so ideal for a router.
to arm embedded linux microcontroller sbc ... on 18 January 2015
Home · esp8266/esp8266-wiki Wiki
The ESP8266 is a very cheap microcontroller-onna-board with proper wireless networking and a TCP/IP stack. Most people seem to hook it up to another microcontroller, but you can run code on the ESP8266 itself; this site has cross-development tools and documentation. (Although it's only IPv4 at the moment, so it wouldn't be very useful for sensor apps on my home network as-is.)
to cross embedded esp8266 microcontroller networking programming wireless ... on 18 January 2015
Revisiting FullHD X11 desktop performance of the Allwinner A10
Looking, in detail, into how the CPU and GPU contend for memory on the A10 -- and why some A10 machines (particularly with 16-bit memory) struggle with high resolutions. This is lovely stuff -- it's like talking about the Spectrum all over again!
to allwinner arm contention dram embedded memory performance video ... on 14 November 2014
benc technical blog: radio clock NTP server
Using a (very) cheap MSF receiver module with NTP.
to embedded msf ntp radio raspberry-pi ... on 28 April 2014
Reading MFM hard disks with a BeagleBone Black. This suggests that a similar strategy would work for floppies.
to archiving beaglebone disk electronics embedded hard-disk imaging mfm retrocomputing ... on 05 February 2014
Sprites mods - Hard disk hacking - Intro
Reverse-engineering a SATA hard disk's firmware. Spoiler: he ends up porting uClinux to it...
to arm embedded hard-disk jtag reverse-engineering sata ... on 23 December 2013
[rom] Unofficial CyanogenMod 10 for many AllWinner A10 tablets - xda-developers
A bit out of date but useful as a reference.
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| 1 | car |
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| 4 | concurrency |
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| 2 | cpu |
| 1 | cross |
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| 1 | debian |
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| 49 | embedded |
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| 1 | geometry |
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| 1 | gpu |
| 2 | graphics |
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| 5 | linux |
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| 9 | microcontroller |
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| 3 | radio |
| 5 | raspberry-pi |
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| 1 | ts7800 |
| 2 | usb |
| 3 | video |
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| 3 | wireless |
| 1 | x86 |
| 1 | xmos |
tasty by Adam Sampson.