Opto-isolated relay add-on for Raspberry Pi has non-compulsory 4.3-inch touchscreen

Jul 1, 2021 — by Eric Brown 604 views

[Updated: July 2] — SB Elements’ $28-and-up “PiRelay 8” add-on for the Raspberry Pi provides 8x relays with photo-coupling isolation for controlling units on a load of 250V AC/7A or 30V DC/10A. There's additionally an non-compulsory 4.3-inch HDMI touchscreen.

SB Elements has launched a PiRelay 8 add-on board for the Raspberry Pi with 8x relays. The board can optionally be topped by a 4.3-inch IPS touchscreen and affords photo-coupling isolation between the relays and a 5V/2A micro-USB port for powering the add-on and the Raspberry Pi.

PiRelay 8, back and front (left) and with non-compulsory RPi 4 and HDMI touchscreen
(click on photos to enlarge)

The open-spec PiRelay 8 has already received funding on Kickstarter and there are nonetheless two days left to get in on the 20-Pound ($28) package deal earlier than it will increase to $35. There's additionally a 75-Pound ($104) package deal that provides the touchscreen and a $153 package deal that additionally provides a Raspberry Pi 4 Mannequin B with 2GB RAM. Shipments are due in September.

The PiRelay 8 affords 8x relays that help the identical variety of units with a load of 250V AC/7A or 30V DC/10A. There's additionally a set off voltage of three.3V with photo-coupling isolation, “permitting customers to securely management excessive voltages or present units” through the touchscreen, says SB Elements.

The isolation is enabled with an Everlight EL357NC optocoupler. The PiRelay 8 is additional outfitted with a 40-pin GPIO header, relay management pins, and LEDs.

PiRelay 8 in motion (left) and pattern display screen shot
(click on photos to enlarge)

The non-compulsory 4.3-inch, IPS touchscreen makes use of an HDMI connection and affords 800 x 480 decision. The touchscreen, which can be used independently with many different platforms, comes with a 3.5mm audio jack, an HDMI audio output, a speaker connector, and mounting holes. If you don't purchase the touchscreen, you may add your personal show through the Pi.

Additional info

The PiRelay 8 is obtainable on Kickstarter by July 31, beginning at 20 UK Kilos ($28), with shipments due in September. Quantity reductions can be found. Extra info could also be discovered on the SB Elements’ PiRelay 8 product page.

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