Reviews Digital Relay Output Card

Edwards Signaling 7005-G5 Door Annunciator

  • ...equipment, optional relay working mode. Has 6 alarm inputs. When the input is shorted to GND, an alarm will be triggered and an alarm message will be sent..
  • ☆☆One relay output with call mode and the other relay output with SMS control can be easily programmed with mobile phone or PC software. SMS can be used for digital programming quickly and conveniently through SMS or on‑board quick teach button..
  • ☆☆Support free control mode or security authorization number control mode, support custom commands, easy to understand. Optional password to keep the system in safe operation mode, support remote password operation and password change..
  • ☆☆Applications include remote control of heating of holiday houses, lighting, engine preheaters, aircraft engine heaters, irrigation systems, well pumps, pumping stations, cabin heaters, resetting of remote servers, arming and disarming security systems, and door Access control and garage door..
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Macurco TX-6-AM Ammonia NH3 Low Voltage Fixed Gas Detector Controller Transducer

  • Fan relay actuation: Selectable from 15 to 75 ppm Nh3.
  • Output: fan relay, alarm relay and 4-20ma current loop.
  • Controls: Digital display (0-100 ppm), buzzer, fan Delay, fan minimum runtime.
  • Mounts on a standard 4” x 4” electrical box.
  • 5 a spdt fan relay controls starters of exhaust fans.
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5v Relay Board Relay Module 1 Channel Opto-Isolated High or Low Level Trigger

  • 【1 Channel Relay Module】- This Relay Board provides a single relay that can be controlled by any 5V digital output from your microcontroller..
  • 【Main Specification】- Peak Load of NO Connector: AC125~250V/10A, DC28~30V/10A.
  • 【Adopted SMD Optocoupler Isolation】- The isolation circuit prevent damages to I / O port by relay switch current..
  • 【Wide Application】- These 5v relay board works well with ARM /PIC /AVR /MCU/Raspberry/CNC machine/ PS4 etc..
  • 【Humanization Design On Interfaces】- All interfaces can be directly wired out through the terminals..
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Youngneer 5v Relay Board Raspberry Arduino Relay Module 1 Channel Opto-Isolated High or Low Level Trigger

  • 【1 Channel Relay Module】- This Relay Board provides a single relay that can be controlled by any 5V digital output from your microcontroller..
  • 【Main Specification】- Peak Load of NO Connector: AC125~250V/10A, DC28~30V/10A.
  • 【Adopted SMD Optocoupler Isolation】- The isolation circuit prevent damages to I / O port by relay switch current..
  • 【Wide Application】- These 5v relay board works well with Arduino/ ARM /PIC /AVR /MCU/Raspberry/CNC machine/ PS4 etc..
  • 【Humanization Design On Interfaces】- All interfaces can be directly wired out through the terminals..
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12 Volt Timer Relay, DROK 0.1s to 999min 50mA 4-Mode On-Off Automotive Digital Delay Relay, Electric Delay Timer Switch, Cycle Time Delay Module with LED Display

  • 4 MODE TIME DELAY RELAY: DROK 12V relay is provided with 4 different settings and supports various triggering signal source, like positive side of power supply triggering, Button, PNP sensor, PLC signal, which is available for most of applications..
  • WIDE ADJUSTABLE TIMING RANGE: This off delay relay supports widest timing range, 0.1 seconds to 999 minutes adjustable, which can fulfilled your various need..
  • STRONG ANTI-INTERFERENCE ABILITY: The output of digital timer relay adopts optocoupler isolation, which enhances the capacity of resisting disturbance power consumption..
  • SUPER SIMPLE OPERATION: Our relay board is operated by buttons and the delay module is equipped with LED digital display which is convenient for you to check the set value..
  • AUTOMATIC SAVING FUNCTION: After you finish the setting, you can cut off the power and then the parameters will be saved automatically, handy and convenient..
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2pcs STC-1000 Digital Temperature Controller DC 12V 10A Digital LED Temperature Controller Thermostat Control Switch 2 Relay Output Cooling Heating and NTC Sensor Probe

  • 【STC-1000 Digital Temperature Controller】Temperature Control Range: -50℃~99℃. Control Accuracy: ±1℃. Control temperature by setting the temperature setting value and the difference value.
  • Temperature calibration. Easy operation, to set start temperature, stop temperature, corrected temperature correction, delay start..
  • 【STC 1000 Digital Thermostat】This STC-1000 digital dual relay thermostat is made of ABS flame retardant shell, a variety of fields perfect use, convenient operation and practical settings..
  • 【Heating and Cooling Function】Two work mode: Heating ( start temperature is less than stop temperature).
  • Cooling ( start temperature is above than stop temperature). Refrigerating contro, output delay protection..
  • 【NTC Waterproof Sensor Probe】Digital temperature controller 12V is equipped with 1M waterproof probe, can be used in moisture and water environment, you can use it in home brewing, fridge, incubation, fermentation, seedling heat mat, accelerating germination..
  • 【Package Contains】2 Pack STC-1000 temperature controller thermostat control switch 2 relay output cooling heating and ntc 10k thermistor sensors temperature probe. (Please kindly note no outlets, wirring needed.
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Seco-Larm Enforcer Access Control Keypad with Proximity Reader, Backlit (SK-1131-SPQ)

  • Available programmable access modes for all 3 outputs: card only, code only, card and common user code, card and unique user code. 1,200 Users over 3 Outputs. Codes may be 4~8 digits: - Output #1 Form C relay, 1A@30VDC, 1,000 users - Output #2 F.
  • Durable and attractive stainless steel faceplate.
  • Programmable lock out or duress output after 5~10 unsuccessful attempts to key in a code.
  • Illuminated keypad with programmable status LEDs..
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KNACRO -20~60℃ 10A XY-TR01 Digital Temperature Humidity Control Module Controller High Precision

  • Temperature and humidity control module high precision digital display word double output automatic constant temperature and humidity control panel.
  • Product adopts industrial-grade chip, high-precision SHT20 temperature and humidity sensor..
  • Parameter remote read/set: Through the UART, set the starting temperature/humidity, stop temperature/humidity, temperature/humidity correction parameters.
  • temperature/Humidity Real-time reporting: If the temperature/humidity reporting function is turned on, the product will detect the temperature/humidity and relay status by the 1s interval, and pass the UART to the terminal to facilitate data collection.
  • Relay enabling (by default): If the relay is disable, the relay remains disconnected.
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Weewooday 15 Pieces 5V Relay Module 1- Channel Relay Control Boards with Optocoupler Isolation High and Low Level Trigger Expansion Board

  • Relay module: this relay board supports high and low level trigger and can be controlled by any 5V digital output of the microcontroller.
  • Parameter details: maximum load of normally open interface: AC 250v/ 10A, DC 30v/ 10A, trigger current is 5mA.
  • The 5v relay control board adopts SMD optocoupler isolation, which has strong driving ability and stable performance.
  • Practical design: with fault-tolerant design, the relay module will not operate even if the control line is disconnected.
  • All interfaces can be provided through directly connected terminal s since the humanized interface design, it is very convenient to use.
  • High compatibility: the relay module can be directly controlled by the 5V logic signal provided by the microcontroller, suitable for 8051, Raspberry Pi, PIC, DSP, ARM, AVR, MSP430, TTL logic, etc..
  • Wide application: this 5V relay board can be applied with Raspberry/ CNC machine/ ARM/ PIC/ AVR/ MCU/ PS4 and more.
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CNAODUN PID Temperature Controller Kit 100-240 VAC Voltage with 40DA Solid State Relay，K Type Thermocouple Probe and Heat Sink

  • ♥【One Way SSR output】3,4 port output to SSR,a 40da solid state relay is included in the package.The power supply voltage for this Pid temperature controller is 100-240VAC..
  • ♥【One Alarm Output】6,7 ports are alarm outputs, AC220V/DC30V 3A (Resistive load) ON/NC, also can be used to connect relay..
  • ♥【Supports 2 Wire Sensor Input】Support two-wire thermocouple input, K, E, J, N, W3-25, W5-26 type thermocouple input are available, the default setting is K type thermocouple input.
  • ♥【℉ and ℃ Adjustable】Fahrenheit and Celsius adjustable, default is Fahrenheit, with PID function.
  • ♥【Temperature Digital Display】PV is the current measured temperature, SV is the set temperature, both are displayed simultaneously..
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