Building an Autonomous Lawn Mover with cmprecision without GPS RTK.
What do you do, if you have a garden to mow, some spare Arduino devices and enthusiasm forembedded and control systems :) You build an Autonomous Lawn mower.
The DroneBot Workshop is the place to be if you are interested in working with Arduino, Raspberry Pi, Electronics, Robotics, Internet of Things, Quadcopters and other high tech fun things. You'll learn how components work and how you can use them in your experiments, as well as fascinating projects you can build yourself.
The HiFive1 is an Arduino-compatible development kit featuring the Freedom E310, the industry’s first commercially available RISC-V SoC.
Freedom Everywhere
The Freedom E310 (FE310) is the first member of the Freedom Everywhere family of customizable SoCs. Designed for microcontroller, embedded, IoT, and wearable applications, the FE310 features SiFive’s E31 CPU Coreplex, a high-performance, 32-bit RV32IMAC core. Running at 320+ MHz, the FE310 is among the fastest microcontrollers in the market.
Additional features include a 16KB L1 Instruction Cache, a 16KB Data SRAM scratchpad, hardware multiply/divide, a debug module, flexible clock generation with on-chip oscillators and PLLs, and a wide variety of peripherals including UARTs, QSPI, PWMs, and timers. Multiple power domains and a low-power standby mode ensure a wide variety of applications can benefit from the FE310.
HiFive1
A RISC-V-based, Open-Source, Arduino-Compatible Development Kit
The HiFive1 is an Arduino-Compatible development kit featuring the Freedom E310, the industry’s first commercially available RISC-V SoC.
[Eric T] wrote up his insanely-comprehensive home automation setup. What started out as a method to notify him when his dog barked grew into a whole-house, Arduino-powered sensor extravaganza. We’ve previously looked at two different steps from this mammoth article. One automated his dog, the other focused on the Wink hub to bridge with commercial hardware like smart lightbulbs. Now let’s look at the project as a whole.
Mit den Arduinos kann man zwar schnell Prototypen zusammenstecken und rasch erste Ergebnisse erhalten, auch ohne größeren Lernaufwand. Doch lassen sich die Atmel-Prozessoren auch ganz schnell an ihre Grenzen bringen - dem eher gemütlichen Takt von maximal 16 MHz bei den Standardmodellen sowie dem 8-Bit-Rechenkern geschuldet. Hier versprechen die ARM-Cortex-Mikroprozessoren Abhilfe, fangen diese doch durchweg bei höherem Takt an, liefern mehr Timer, DMA-Controller und bieten zudem eine 32-Bit-Architektur, mit der sich zudem schneller Rechnen lässt. Der hier vorgestellte Einstieg gelingt sehr billig und man kann sein System noch kleiner aufbauen als ein Arduino-Nano oder -Pro-Mini-Board. Damit erhält man 15 IO-Pins, 48 MHz Takt, 32 Bit-Architektur, 16 kByte Flash und 4 kByte SRAM.
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