Best Digital Relay Controller

Aube by Honeywell TH140-28-01-B/U Hydronic Heating 7-Day Programmable Thermostat

  • Compatible with hydronic floor heating and central heating.
  • also compatible with electric heat applications using a relay (see accessories).
  • 5-Ampere (resistive) 24-Volt, 120-Volt, 240-Volt R, W.
  • Millivolt compatible, SPDT dry contact relay output.
  • Remote input enables change of temperature modes by phone (Telephone controller required – Aube by Honeywell CT240).
  • Low battery indicator gives 60-day warning to replace battery (2 ‘AA’ batteries required).
  • Dimensions (height by width by depth): 4.9-Inch by 3.8-Inch by 1-Inch.
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KETOTEK Digital Temperature Controller AC110V 10A Fahrenheit Thermostat STC1000 with 2m Waterproof Sensor 2 Relays Heating Cooling

  • 【2m Waterproof probe】Digital temperature controller 110V can be used in moisture and water environment, you can use it in home brewing, fridge, pet breeding, reptile, tank, incubation, fermentation, seedling heat mat, accelerating germination..
  • 【Keep temperaure in desired range and guaranteed accuracy】It's on/off control mode. Turn on your device at a degree and turn it off at another degree. Fully utilize the stc microcontroller and NTC probe to have this temperature regulator has great accuracy: ±1°F, Temperature control range: -58~212°F, Power consumption: ≤3W, Power Supply: 110VAC 50Hz/60Hz. Output: 2 Relays, Cooling (10A/110-220VAC) / Heating (10A/110-220VAC)..
  • 【Wirring heater and cooler at the same time】No more frequently change wirring between heater and cooler. This temperature regulator has 2 relays. Compared with other 1 relay temperature controllers, you can wire 2 appliances (heater and cooler) at the same time. (Please kindly note no outlets, wirring needed)..
  • 【ABS plastic shell & compressor delay protection function】This incubator thermostat ac110V is made of ABS heavy-duty and anti-flamming plastic shell, designed with compressor delay protection, alarm when temperature exceeds temperature limit. All these promise the....
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ANMBEST 2PCS 4 Channel 5V Relay Module with Optocoupler High or Low Level Trigger Expansion Board for Raspberry Pi Arduino

  • It is 4 Channel Isolated 5V 10A Relay Module, each relay can individually switch on/off by an opto-isolated digital input, Standard interface can be directly connected with microcontrollers and be controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM, DSP, etc., very convenient..
  • Equipped with high-current relay, maximum load: AC250V 10A, 15A 125VAC, DC30V 10A.
  • RELIABLE: Fault-tolerant design, even if the control line breaks, the relay will not move.
  • With optical coupling isolation, triggering more reliable, more stable..
  • EASY to INSTALL: Equipped with screwed terminal plate and fixed bolt holes(diameter: 3.1 mm) on both sides for easy installation..
  • High/Low level trigger can be selected by jumper. Very versatile, you can reverse the input logic with the jumper..
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Inkbird ITC-608T Temperature Controller with Dual Temperature Sensor AC Dual Stage Outlet Thermostat with 12 Period Time Stage 1800W ETL Listed

  • ❤❤【US ETL Certificate Listed 】ITC-608T thermostat temperature controller is ETL listed, and rigorously tested for quality control and safety. More power up to 1800W..
  • ❤❤【Main Functions]】Supporting calibration, compressor delay and saving reset setting values. Centigrade or Fahrenheit degree display, easy to set, PV and SV dual display windows. And with compressor delay for protecting cooling device. ITC-608T can save the original setting values in case accidentally power-off..
  • ❤❤【Dual Temperature Sensor]】Temperature sensors are waterproof and the temperature control range is -40~212°F (-40~100°C)..
  • ❤❤【Multiple Functions Temperature and Humidity Control Mode with Dual Relay Output】ITC-608T can work as a temperature controller, a humidity controller, a temperature humidity controller and dual temperature controller..
  • ❤❤【Multipurpose Usage】 Temperature and humidity controller ITC-608T can be used in home brewing (refrigerator), fermenting, Greenhouse, terrarium, reptile, planting (mushroom), meat storage and cooking. Max Loading: 120V 15A 1800W..
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KETOTEK KT8230 Digital Temperature Controller Thermostat Regulator 120VAC 30A Fahrenheit -22~572℉ Heating Cooling for Incubator Brooder Refrigerator Fermenter Greenhouse Reptile

  • 【Wide temperature range.】The range for KT8230 is -22~572℉, This is a relay temperature controller, There is no voltage output directly, you need to connect additional power supply for the load, then it can be set by differential (1~80℉) to turn on/off the load, it is like a switch..
  • 【Output is 30A relay, more accurate.】The temperature controller 120V can be used for big power equipment, like incubator, brooder, refrigerator,Fermenter,Greenhouse,etc. 1°F accuracy to keep the temperature in desired range..
  • 【Support delay start function and temperature correction.】The cooler and heater will delay to work if you set the delay time(PL: 0~7min) not 0, You can set depend on what you need. -30.0°F~30.0°F calibrate the temperature when there is error..
  • 【Safe protection.】Temperature Regulator will alarm when it exceed temperature limit or sensor error, alert you when something wrong happened. You can also set the low(LS) and high temperature limit(HS) to change the temperature range, LS < Setting Temperature < HS..
  • 【Simple operation.】 All parameters setting can be saved after restart, you don’t need to set the thermostat regulator when power off, or restart it from vacation. 2m NTC sensor allows more possibility for home.
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Vikye Driver Module, 4 in 1 MAX7219 LED Dot Matrix Display Driver Module, Professional MCU Controller DIY Kit

  • EASY OPERATION: The industrial remote control is 12 button design, which is easy to operate, has complete functions, which is simple and practical..
  • RELAY LOAD: The maximum load capacity of the relay is 1-110V 5A DC, 85-265V 6A AC, suitable for more industrial control applications..
  • 8 WORKING MODES: The controller has modes including instantaneous, self locking, interlocking, self locking and instantaneous coexistence..
  • HIGH SENSITIVITY: Remote control distance in open space reaches 300‑500 meter, +20dBm wireless transmission power, high receiving sensitivity..
  • GOOD ADAPTABILITY: The rolling code coding and decoding type (similar to HCS301) can adapt to up to 32 remote controllers, stable and reliable..
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eMylo Smart RF Motor Controller Switch Relay Wireless Remote Control Switch 12V Motor Switch 433Mhz for Rolling Door, Electric Curtains/Locks, Water Pump, DC 5V-24V with 2 Transmitters (1 Pack)

  • ★ Motor wireless remote control switch: It is specially designed for motor. Two-channel design capable can control the forward, reverse and stop of the motor, and with long control distance..
  • ★ Technology Upgrade: the transmitters and receivers adopt non-directional wireless encoding technology, allowing independent control, without mutual interference, High-performance "TUYA "chip module, which stable performance, sensitivity..
  • ★ Easy Installation: Using the Special jointing clamp to connect the motor and wireless relay in one minute. No need any tools. Avoid opening the box during installation and ensure firm connection and safe operation..
  • ★ Stability & Safty: The relay module is with signal sensitivity and resist interference. RF motor controller can pass through walls, floors and doors to control receiver within the valid range. Made of the ABS material and flame retardant material, overvoltage protection and fire protection, safer..
  • ★ Widely Application: Structural upgrading eMylo motor driver reversing controller switch allowing independent control without mutual interference. Commonly used in rolling doors, electric curtains, electric door locks ,water pump and other motor machines. Start your smart life now..
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RIOGOO 10

  • Super Cost-Effective: Package includes 1-pack 10"*20.75" seedling heat mat and 1-pack digital thermostat controller Combo Set, very cost-effective and useful.You do not need to waste time to choose sepate seedling heat mat and Digital Thermostat Controller..
  • Control the Temperature: Our digital thermostat controller is compatible with almost all seedling heat mats. The thermostat sensor probe delivers accurate readings in both cold and warm environments. Keeps a stable temperature between 68F /20C - 108F/ 42C for the professional needs..
  • Keep Your Seed Root Warm: Our newly seedling heat mat will automatically warms rooting area 10-20F over unique temperature. For example, it can be used indoor or in a greenhouse, providing enough heat to keep your plant energetic and healthy..
  • Super Easy to Use: Please put the heat mat on a flat and dry surface under a seedling tray and plug the cord into a standard 120V outlet to begin heating your roots. The digital controller has 3-button interface for simple operation and easy calibration..
  • 1 Year Warrantee: We provide 1 Year Warrantee for our products.If any problem, we can resend a new one for you.
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Timer Relay, Icstation Time Delay Switch AC 110V 120V Timer Switch Module Digital Time Cycle AC 85V-265V LED Display 0ms-999h

  • ⏳Wide timing range: ICStation time relay delay is able to tolerate the widest timing adjusting range: 0-999S/ 0-999M/ 0-999H,it is available for various application.(Please Note: If the T1 time is second,the T2 time must be second. They can not achive T1 time is second and T2 time is minute/hour.).
  • ⏳ Wide supply voltage range: Icstation timer relay supports AC85-265V. This device can support different work mode, If you are not clear the operation, please download the PDF user manual or Email us..
  • ⏳Cycle Timer relay supports sleep working mode, which will turn off automatically after 10s(need to set ). It is also very easy to set parameter via 4 momentary keys..
  • ⏳Parameter:Cycle Timer relay Support Voltage Input: AC85-265V, Maximum Power: .
  • ⏳Application:The Digital timer delay can be used for timing, delay, cycle timing, intermittent timing occasions and so on, such as the descending machine DIY, timing switch, timing alarm control board. Kindly Tips: We have uploaded the user manual on the Amazon page at technical specification or under the IMAGE, please download it and read it before you use it..
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[2 Pack] DC 6-30V Timer Relay Programmable Delay Relay Module Cycle Timer with LCD Display / 5V Micro USB, Smart Home Controller

  • 【Multifunction Timer Relay】Programmable delay modes to control the relay timings, widely used at smart home, industrial control, automatic irrigation, indoor ventilation, protection equipment etc..
  • 【Load Range】Operating voltage: DC 6V - 30V, support micro USB 5V power supply. High level trigger: 3V - 24V. NO(Normally open) maximum load < AC 250V/10A, < DC 30V/10A. Timing range: 0.1s ~ 999mins (continuously adjustable)..
  • 【Reverse Protection】Built-in a diode to provide protection against accidental reverse polarity for the circuits..
  • 【Sleep Mode】If no operation within 5 minutes, the digital tube of the relay board will turn off automatically. Pressing any button can wake it up..
  • 【Parameter Setting】OP(conduction time) / CL(off time) / LOP(circuit times) can be set individually, and the parameters are mutually independent. All parameters are permanently saved once set. The functions and parameters can be reviewed or changed at a later time..
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