When it comes to viewing nebulae, galaxies, and other deep-sky objects, amateur astronomers on a budget have had two options.

Recently, [Edward Schmitz] wrote in to let us know about his Hackaday.io project: SigCore UC: An Open-Source Universal I/O Controller With Relays, Analog I/O, and Modbus for the Raspberry Pi. In the ...

EDATEC ED-PLC2010 is an industrial controller powered by a Raspberry Pi CM4, supporting EtherCAT and Modbus interfaces, up to 32 I/O modules, and preloaded with CODESYS runtime for real-time core and ...

How to evaluate a DAC’s analog output. How to avoid effects such as standing waves from disturbing measurements. How to adapt the fundamental frequency-response measurement method for use when digital ...

In the broad-brush view of the analog-to-digital converter (ADC) versus its complement, the digital-to-analog converter (DAC), there’s no doubt that the DAC has an easier functional challenge. What’s ...

Acromag expands their line of BusWorksXT Ethernet I/O modules that are ideal for remote monitoring, distributed control, or SCADA applications. Models are offered in Ethernet communication protocols ...

Here’s a description of an electronic toll-collection roadside-unit (RSU) module that’s easily integrated within a camera used for parking charges and collection of vehicle information. How to ...

In previous issues, we have discussed troubleshooting input modules. In the examples, the output modules checked out OK. But what if they don't? As with input modules, output modules can be digital or ...