The RP2040 processor of the Raspberry Pi Pico has dual ARM Cortex-M0+ cores that can be used in an Arduino-style sketch as follows: /* * Test Rspberry Pi Pico dualcore mode * * Classical ‘blink’ example but split into two tasks, running on the two RP2040 cores: * – Core 0 sets the state of …
Measuring bouncing of China wind and rain sensors A cheap China wind and a rain sensor were tested whether they experience contact bouncing, which would disturb the measurements. The Wind Sensor The wind sensor has a contact inside, which will be closed for 1/2 of the revolution of the wind wheel. The signal wire will …
Gawk provides built-in networking support. The gawk manual has some examples, for basic UDP-communication at [1]. The classical sender/receiver code snippets are as follows: # Server BEGIN { print strftime() |& “/inet/udp/8888/0/0” close(“/inet/udp/8888/0/0”) } # Client BEGIN { “/inet/udp/0/localhost/8888” |& getline print $0 close(“/inet/udp/0/localhost/8888”) } Unfortunately these examples did not work on my test system …
From the official documentation it is not very clear, how to install the guest additions necessary to use shared folders. Here’s how it works: VirtualBox Guest Additions is a .iso file, that can be downloaded from here (for version 4.6.3): http://download.virtualbox.org/virtualbox/4.3.6/ The file in question is “VBoxGuestAdditions_4.6.3.iso”. Download it and burn it onto a CD. …
The PDF-file for the “CC2530ZNP Mini Kit quick start guide rev. A” is located at http://www.ti.com/litv/pdf/swru268a It mentions some software examples and drivers, which are not easily to find … The CC2530ZNP start page is at http://www.ti.com/tool/cc2530zdk-znp-mini which points to the CC2530ZDK-ZNP-MINI at http://processors.wiki.ti.com/index.php/CC2530ZDK-ZNP-MINI which in turn (link just above “More Informations”) points to the …