Catkin comes from the developers who also developed ROS. It provides tools to compile and install ROS workspaces. Installation Ubuntu 18.04 Resolve dependencies Install Catkin Commands Building Beforehand, please ensure that we are in the source directory of the workspace. Installing Compiled sources can be installed via the following command Sources https://linuxhint.com/catkin-ros-beginner-tutorial/
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Das vorliegende Board mit dem Atmel Tiny kommt in der Größe eines USB Sticks. Es hat nur eingschränkt viele IOs aber findet sicherlich seine Anwendungzwecke. Was ist ein Preview: Da ich immer mehr den Überblick über die bestellte Hardware verliere, werde ich nach der Bestellung eine kleine Vorschau schreiben. Wenn ich dann zu der Hardware …
Continue reading "Preview – Atmel Tiny 85"Keinen GPIO für einen Sensor mehr frei, wie wäre es dann mit dem AHT15. Er misst Temperatur und Feuchte und übermittlet diese per I2C Bus. Was ist ein Preview: Da ich immer mehr den Überblick über die bestellte Hardware verliere, werde ich nach der Bestellung eine kleine Vorschau schreiben. Wenn ich dann zu der Hardware …
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I was particularly looking forward to this delivery. It's now a replacement for the standard yellow craft gear motors. These come in two variants, one with plastic and one with metal gears. I ordered them as a set with a bracket, cable, and connectors from AliExpress. The price is around €10 each and it is...
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Found another motor shield on AliExpress, this one has an L298 motor driver. What's interesting is that the braking function and current measurement are brought out. What is a preview: As I'm losing track of the ordered hardware more and more, I'll write a small preview after ordering. Then, when I get to the hardware...
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This is a circuit board with a slot for the ESP01 and a relay for switching external voltages of up to 250V AC and 30V DC. On AliExpress, these boards start at around €2 without the ESP01, and are available in sets for around €3-4. As home automation and voice assistants are in...
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A new small board operable with MicroPython and with an ARM Cortex processor. Facts Views Other MicroPython The board appears to be MicroPython capable. See https://github.com/robert-hh/Shared-Stuff/tree/master/w600_firmware. Thanks to MK. Related Posts Sources https://www.seeedstudio.com/blog/2019/09/02/w600-vs-esp8266-small-and-low-power-iot-development-boards-comparison/ http://makerfab.blogspot.com/2018/11/w600-wifi-module-new-esp8266-competitor.html https://www.wemos.cc/en/latest/w600/index.html
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When I saw this add-on board, I wondered what the point was when there's already an add-on board with 8 RGB LEDs, which is much more versatile. Is it the lower price or simple purism? Facts An RGB LED Description Name D1 ESP32 C3 S2 RGB Pin D2 4 21 8 33 D1 Mini Shield – …
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Heltec offers a low-power board with LoRa in a miniature format here. The price is around €13 on the usual platforms. What is a preview: As I am increasingly losing track of ordered hardware, I will write a small preview after ordering. When I get to the hardware, I will then...
Continue reading "Preview – Heltec Cube Cell Board mit LoRa Wan"
There is no need to worry about swallowing this pill because it is too large. Nevertheless, it is very small for a microcontroller. With the right casing and a dedicated selection of sensors, it offers everything your heart desires. LoRa and a low-power chip complete the overall picture. It is available from...
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