Olympia, WA, April 29, 2013– Olympia Circuits introduces the Arno Shield to expand their line of products for new Arduino users. The Arno Shield contains all the components necessary to learn ...

Olympia Circuits Teases Arduino Programmers With $60 Arno Shield. by Ray Willington — Monday, April 29, 2013, 05:50 PM EDT. Comments. Homemade gadgets seem ...

In adding an alternative cutter drive motor (‘spindle’) to an existing cnc machine, an electrically isolated pwm to analogue converter is needed. The machine uses a ‘grbl’ controller, which has an ...

Python to MQTT for an Opto Isolator attached to a 240v PIR sensor - lwsrbrts/Py-Opto-Docker. Skip to content. ... The opto-isolator circuit used was purchased from eBay and is described as: 240V 220V ...

The opto isolator, isolates the mains/line voltage from the Raspberry Pi and is the safest way to detect AC voltage using a Raspberry Pi since the Pi is never in contact with the high AC voltage. The ...

PCB Direct Virtual Breadboard Creates Circuits For Arduino, RasPI, ARM And More. 9:54 am January 12, 2015 By Julian Horsey.