Top Digital Relay Output Card Reviews

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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CGELE PID Temperature Controller Kit Voltage AC 100V to 240V Comes with SSR 40DA Solid State Relay, K Type Thermocouple Sensor, and Black Heat Sink

♥【What You Get】In this PID temperature controller kit,it include 1 x PID temperature controller,1 x solid state relay 40DA，1 x K type thermocouple，1 x heat sink..
♥【Product parameters】Power supply voltage:110-240VAC 50/60Hz.
working environment:ambient temperature: 0℃~50℃,relative humidity: 35%~85% (no condensation) ；storage temperature：-25℃~65℃（avoid ice or dew）；resolution：1℃，0.1℃（adjustable）；wiring method：terminals；accuracy：+0.5%FS.
installation environment:installation type ll, pollution grade 2 (IEC61010-1).
max current: 30mA, load resistance:≥1K..
♥【Feature】 Support 2 wire thermocouple input,1 way solid state relay output,1 way relay alarm output.
digital display of real-time and set temperatures,adjustable degrees ℉ and ℃..
♥【Size】The panel size of PID temperature controller is 48(W)mmx48mm(L),install hole size is 46(W)mmx46mm(L).Total size:48mm(W)x48mm(L)x76mm(H).
♥【Widely application】Widely used in chemical industry, medical industry, product industry, machinery industry, greenhouse farming, agricultural planting, etc..

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RFID 125KHz Standalone Access Control with Blue Backlit Keypad Support 1000 Users (Silver)

100% Brand new with high quality and high security with blue backlight. Support entry modes : Password Only / ID Card Only / Password + ID Card..
With lock relay output, secure / normal Mode, NO / NC output. Built-in proximity card reader (125KHZ ASK modulation). Metallic case for better protection, sturdy and durable. Alarm function with internal buzze..
8 Auxiliary Modes including : door ajar, forced door, shunt, door monitor, normal / secure. 2 modes of operation : normal mode, secure mode. 3 user leers : normal user, secure user, master user..
Support 1000 standard users, and auxiliary input & auxiliary output. Can add card number and delete card number depending on your requirement, sensitiely and response quickly..
We solemnly promise you that if you find problems with the product itself, you can contact us in time. we will definitely gie you a reply in the first place and return it for you. please feel free to use it..

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UHPPOTE Waterproof IP68 Metal Case Stand-Alone Access Control Keypad with Wiegand 26 bit Interface for 125khz RFID Card

✅With lock relay output, secure / normal Mode, NO / NC output.
✅Suitable for mounting either indoor or outdoor in harsh environments.
✅Full programming from the keypad, can be used as a stand alone keypad.
✅The unit support up to 2000 users in either a Card, 4 digit PIN, or a Card + PIN option.
✅This keypad can't be compatible with UHF card and encrypted card, for example, the card of following brands: HID,Indala,Cobra,APCiK,Paradox,Radio,Honeywell, etc..

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UHPPOTE Full Complete Stand-Alone Door Access Control System Kit with Electric Strike Lock Power Supply Remote Control

With lock relay output, secure / normal Mode, NO / NC output.

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Waterproof Metal RFID Keypad Door Entry Systems & 600lbs Electric Magnetic Lock+110V Power Supply+Push to Exit Button+RFID Keychains/Cards

Metal Control device has Waterproof Structure strong adaptability, conforms to IP68 degree..
Support 2000 users by Card, PIN Code, Card + PIN Code. Compatible Cards: EM standard card (Can't support some encrypted cards,such as HID, Cobra, APCiK etc)..
With lock relay output, secure / normal Mode, NO / NC output, Wiegand 26 input/output.
Stand alone device, with keypad, easy programming, Video guide, detail wire diagram for you.
Small and exquisite, Fashionable and Beautiful, Backlit keypad.Full Kits with weather proof Electric Magnetic Lock(600lbs/280kg holding force) ..

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