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Shopify Shortcomings

Posted by Mihai Beffa on

Shopify Shortcomings: ignore dimensions at checkout, ignore partial payments on partially fulfilled orders.

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ROCK 4 SE, another Raspberry Pi Replacement

Posted by Mihai Beffa on

ROCK 4 looks very much like a Raspberry Pi. It has the same form factor, the same USB and ETH connectors and a pin compatible GPIO expansion port. It lists $75 quantity one, with possible quantity discounts. Yet at this time there is a major difference between ROCK 4 and Raspberry Pi. It is in stock.

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Revolutionary LoRa Building Automation System from Aero Designs Labs

Posted by Mihai Beffa on

Aero Design Labs LLC. built their LoRa Building Automation System using Sequent Microsystems cards.

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Raspberry Pi PID Loop: Float a Ball at Constant Height in a Tube

Posted by Mihai Beffa on

PID Loop implemented on Codesys running on Raspberry Pi controlling the Sequent Microsystems Industrial Card. Fun application to control a ping-pong ball floating in a tube.

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Free 3D Printing Stackable Enclosure for Sequent Microsystems cards for Raspberry Pi

Posted by Mihai Beffa on

The 3D print, stackable enclosure can accommodate up to eight of the following cards, in any combination: 8-MOSFETS, 8-RELAYS, 8-INPUTS, 4-RELAYS/4-INPUTS, 8-CHANNEL RTD.

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