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A 3-channel fully automated Dew Controller (DIY project) based on Arduino Nano for telescopes. For $48 or less. (c) Copyright Robert Brown 2014-2025. All Rights Reserved. Permission is granted for personal and Academic use only. Code or portions of code may not be copied or used without appropriate credit given to author. A very popular project with over 48,000 downloads. There is a new ESP32 WiFi version at https://sourceforge.net/projects/esp32-dew-controller/ The older...

IpWay/HOST is a real time tcp/ip stack library designed for embedded applications on 32bit microcontrollers ARM and PPC based (STM32Fx, SPC56x, SPC57x, SPC58x), where execution efficiency and compact code are important requirements. IpWay/HOST is characterized by high portability, compact size, copyless feature (also for TCP applications) and Checksum offload. Moreover, IpWay offers a 100% compatibility with AUTOSAR MCAL versions 4.13 and 4.2.x. IpWayStudio is a free ARM development environment based on Open Source tools and components. It has been created in order to support the development of IpWay itself and is now available as a free download. Everything is required to start working with IpWay is encapsulated in a single download. ...

Pharos is a free open-source RTOS for secure, safe and real-time systems with the following characteristics: - Memory and enhanced time partitioning (TSP) - Native support for sporadic, periodic and aperiodic threads - Fixed-priority preemptive scheduler - Execution time protection (threads are prevented from executing for more time than they are configured to) - Small size (full image has ~100 to 300KiB text, ~30KiB data) - Hard real-time determinism - Fast critical sections - Prioritized nested interrupts - inter-partition communication with filters to protect unwanted access - Multicore support (RMP) - Supports ARM9, Cortex-A/R/M and Aarch64, RISC-V64 (64 bits) - The complete TestSuite (see below information) is run successfully for each platform in each release - Tested: more than 170 KLOC of requirement-based tests, executed for each board at each release - Up-to-date User Manual also available See our wiki page for more information.

...It allows the driver successfully run on ARM making it send the correctly aligned requests for DMA. Tested on Android 4.2.2 (Linux 3.0.36) with DesignWare USB 2.0 OTG Controller (DWC_OTG). Supported USB to Ethernet adapters: 3Com, AboCom (10/100 and HPNA), Accton/SMC (some models), ADMtek, AEI, Allied Telesyn, ATEN, Belkin (some models), Billionton, Corega FEther, D-Link (some models), EasiDock, ELECOM, Elsa Micolink, Gigabyte GN-BR402W Wireless Router, GOLDPFEIL, Hawking, Hewlett-Packard HN210C, IO DATA, Compaq iPAQ Networking, Kingston KNU101TX Ethernet, LANEED, Linksys, MELCO/BUFFALO, Microsoft MN-110, NETGEAR FA101, OCT, Philips USB 10/100 Ethernet, smartNIC 2 PnP Adapter, SOHOware NUB100/NUB110 Ethernet, SpeedStream USB 10/100 Ethernet

OpenSOC86 is an open implementation of the x86 architecture in Verilog. The current version only implements the 16-bit part (real mode). The processor is a pipelined architecture clocked at 100 MHz in a Cyclone II speed grade -6. Therefore it can be seen as similar to a 486 in real mode. Several peripherals are also implemented in a somewhat minimalistic way, but enough to be able to boot an IBM PCXT compatible bios and MSDOS 6.22. The current implementation is only proven to boot the bios and DOS in simulation. The system is targeted to run on the DE2-70 board. ...