ReviewsDigital Timer Relay

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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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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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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Digital Kitchen Timer,Alarm Clock,Stopwatch,Large Digits,Loud Alarm, Mute Blinking Light and Magnetic Stand .Meeting Time Management, Classroom Timer... (Green)

❓【HOW IS THIS DIGITAL TIMER】This digital timer is the latest version generation, is easy to operate and be used by the old and children too. The timer can count up and down, alarm clock and stopwatch.Digital timer is small and can be operated by one hand and can be carried with you. You can use it as cooking timer, travel timer,study timer,bodybuilding timer, work timer.
【PROFESSIONAL】Digital timer have high-quality environmental protection ABS plastic silica gel shell and anti-collision,comfortable to touch .Both visual and tactile have a sense of advanced.When digital timer is silent and noiseless, you can fall asleep or study quietly,12/24 hours can be set as a timer and digital clock, accurate to seconds.This digital timer is a good helper for baking,kitchen cooking,study,traveling,bodybuilding..
✅【FRIENDLY DESIGN】Digital timer have large LCD and louver alarm, add indicator reminder and modern simple design, thickened and widened folding bracket 45 degrees more stable. the digital timer is more beautiful and fashionable with stronger adsorption of metal.For example, you can easily use this digital timer to attach to the refrigerator door or other....

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MakerHawk Time Delay Relay, 12V 5V USB Relay Module 6-30V Delay Controller Board Delay-Off Cycle Timer Control Switch with LCD Display Support Micro USB 5V Power Supply

Timer delay relay module operating voltage range is DC 6-30V, support micro USB 5.0 V power supply.
support high level trigger 3.0V-34V and low level trigger 0V-0.2V.
timing range is 0.01s9999mins, can be continuously adjustable. Powerful and easy to use. Indication link: please get it from the product description..
LCD Display: The relay board is desiged with LCD display, can clearly and directly show the current mode and parameters..
Sleep Mode: Without any operation within 5 minutes, the LCD backlight of the 12v timer relay will close automatically. Any button can wake up..
Independent Parameters: OP/CL/LOP parameters can be modified and saved, and they are individual. Auto Save: All setting parameters are automatically saved by power-fail..
Automatically hibernation function/ Low power function: In the running interface, long press STOP to open or close automatically sleep function. (L-P selects ON to start the hibernation function, and OFF turns off the hibernation function).

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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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3v Relay Board Raspberry Pi Arduino Relay Module 1 Channel Opto-Isolate High Level Trigger for IOT ESP8266 Microcontrollers Development Board

【1 Channel Relay Module】- This Relay Board provides a single relay that can be controlled by any 3V/3.3V digital input from your microcontroller IO..
【Main Specification】- The 3v Relay 1 Channel power switch module compatible with 10A 250VAC and 10A 30VDC load.4pcs * 2.5 mm Fixed Bolt Hole..
【Adopted Optocoupler Isolation】- 3V/3.3V power relay module supports photocoupler isolation control and dual power supply input ensure high anti-interference ability. Fast response time less than 20ms and long life time up to 100,000 times snap action with diode freewheel protection..
【Jumper Caps】You can select whether the relay and the signal use the same power supply or not by removing the jumper caps on the pins. And It is better to share the same power supply, because that is more convenient for using..
【Wide Application】- These 3v relay board works well with Arduino/ ARM /PIC /AVR /MCU/Raspberry/CNC machine/ PS4/3.3V /NodeMCU/IOT/ ESP8266 module etc..

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Woods 50015WD Outdoor 7-Day Heavy Duty Digital Plug-in Timer, 2 Grounded Outlets, Weatherproof, Perfect for Automating Holiday/Christmas Lights, 3/4 Horse Power, Energy Saving Precision Programming, Black & Green

USER-FRIENDLY DIGITAL OUTLET TIMER: with 3 timing features (digital timer, random setting and countdown timer) on this 7-day programmable plug-in digital timer switch with 3-prong outlets, you can personalize your settings the way you like it for outdoor appliances.
each day can also be programmed differently than the next, or weekends differently than weekdays, giving you more flexibility.
ENERGY-SAVING PRECISION PROGRAMMING: the 7-day digital outlet timer lets you do up-to-the-minute programming, which means you can be enjoying more energy savings.
HEAVY-DUTY DIGITAL TIMER: this digital countdown timer outlet is specially designed to complement heavy-duty appliances such as outdoor fountains, heaters or pool pumps.
SMART SELF-CHARGING BACKUP: the self-charging backup of the timer digital outlet can retain your settings should a power outrage happens, so you don’t have to worry about resetting.
WEATHERPROOF DIGITAL TIMER OUTLET SWITCH: this electrical outlet with digital timer has a hardy body and heavy-duty timer cover to protect it from the weather, dust and dirt.
Hit the 'R' Reset button to turn the screen on after recharging the backup battery.

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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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Inkbird PID Temperature Controller Kit High Voltage 100ACV to 240ACV Comes with SSR 40DA Solid State Relay K Type Thermocouple and White Heat Sink

【Alarm Output】With one alarm relay output: AC250V 3A (Resistive load) ON/NC, you may connect it with a buzzer..
【Supports 3 Wires Sensors】3 wires sensor or 2 wires sensor, like K type thermocouple and Cu500, are supported by this PID temperature controller.
【SSR Output】With one relay output for external SSR, SSR or relay is a must for this temperature controller. A 40DA SSR is included.
【Digital Display ℃/℉】It’s a digital PID controller but also supports Centigrade and Fahrenheit reading.
【2 Temp Displaying Windows】The real-time temperature and the setpoint are shown at the same time.

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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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