smtp relay open source

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OpenELAB Inc.

LILYGO T-Relay 5V 8 Channel Relay

$28.19

Netgate

pfSense+ Software Subscription With TAC Lite Support

(71)

$129.00

25% off

SainSmart.com

4-channel 5V USB Relay Module

$14.99$19.99

RobotShop USA

Seeedstudio Grove Relay Module

$3.09

Flipper

Flipper Zero

(1.2K)

$169.00

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OpenELAB Inc.

Seeed Studio TRMNL 7.5" (OG) DIY Kit

$45.99$68.99

Isometric view of the Arduino Opta WiFi, showing the DIN-rail controller with input and output screw terminals and Finder branding.

15% off

Arduino Online Shop

Arduino Opta WiFi

(22)

$169.15$199.00

16% off

SONOFF

SONOFF ZBMINI Extreme Zigbee Smart Switch ZBMINIR2

(42)

$10.90$12.90

Smart Relays circuit board with green screw terminals, blue relays, red DIP switches, and labeled input connectors

Sequent Microsystems

Smart Relays with Universal Inputs 8-Layer Stackable HAT for Raspberry Pi

(4)

$100.00

FlightAware

Pro Stick® Plus

(91)

$45.99

Apollo Automation

R PRO-1 PoE dual mmWave Multisensor (LD2450 | additional LD2412 optional)

(30)

$69.99

Zenith Prime 09

Shelly Pro 2 | Wi-Fi & LAN, 2-Channel Smart Relay | Home & Facility Automation | Compatible with Alexa & Google Home | iOS Android App | Lights Automation | Controller for Motorized Valve

$107.23

SONOFF

SONOFF MINI Dry Zigbee Dry Contact Smart Switch | MINI-ZBD

(10)

$14.90

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EarthBloom Garden

Shelly Pro 4PM | Wi-Fi & LAN, 4-Channel Smart Relay with Power Metering | Home Automation | Compatible with Alexa & Google Home | iOS Android App| Remote Appliances Control and Monitoring

$285.98

[Open Box] iMaticBox Relay Module Switch for CNC Router Machines.

11% off

SainSmart.com

iMaticBox Relay Module Switch for CNC Router Machines

(11)

$49.99$55.99

SainSmart.com

4 Channel DC 12V USB Relay Module Automation for Arduino Raspberry Pi DSP AVR PIC ARM

$22.99

13% off

OpenEV Store

Replacement Electronics for Juicebox v2 (Plastic - Purple/Grey and White)

(9)

$129.00$149.00

5Dimensions

AxxSolder 3

(9)

$161.00

Tecnologia Shop

EasyIO-FW Controllers - FW Series

(1)

$301.00

Performance Audio

RDL ST-ACR1 Line-Level Audio Controlled Relay 0.5 to 5 s

$146.19

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Shelly USA

Ogemray Smart relay 25A

(15)

$42.99

Isometric view of the Arduino Opta RS485, showing the DIN-rail controller with input and output screw terminals and Finder branding.

15% off

Arduino Online Shop

Arduino Opta RS485

(4)

$141.10$166.00

Solid State Relays HAT with a green circuit board, red DIP switch, and rows of pluggable terminal connectors

Sequent Microsystems

Sixteen Solid State Relays 2A/24V 8-Layer Stackable HAT for Raspberry Pi

(3)

$90.00

DDPARTS SOLUTION

Mitsubishi FX3G-40MR/DS

$510.00

6% off

ProAVSupplies

Dataprobe iPIO-8 8 Port Network I/O Controller

$439.00$465.00

OpenScan

Raspberry Pi Shield V1 solder-yourself

(1)

$38.00

4 Way ESP8266-12F Secondary Development Relay Module WiFi 220V/12V Powered Remote Control Relay Support TCPServer/TCPClient Mode Vue 12V

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Vue

4-Channel ESP8266 WiFi Relay Module – DIY Smart Switch

$53.99$65.99

ameriDroid

Shelly 1PM - WiFi AC/DC Relay Switch 16A

(1)

$18.95

15% off

Arduino Online Shop

Arduino Pro Opta Ext D1608E

(1)

$119.85$141.00

Main Image for CyberPower RMCARD205 Remote Management Card

Island Electrical Supply

CyberPower RMCARD205 Remote Management Card - RMCARD205

$358.99