ReviewsRelay Control Board

Taidda USB Relay Module, Sturdy Durable Lightweight Lcus1 USB Relay Module Intelligent USB Switch Control Module Onboard Ch340 Control Chip

Onboard high performance microcontroller chip.
Module with overcurrent protection and relay diode freewheel protection.
On-board 5V, 10A/250VAC, 10A/30VDC relay, long life of relay can be continuously sucked 100,000 times.

[High quality chip]:This product adopts imported high-performance USB control chip..
[Stable connection]:This board is designed with square type-b USB interface which assures the stable connection..
[Stable performance]:The high quality relay and dedicated relay driven ULN2803 chip ensure relay to work more stably..
[Flexible and convenient]:There are two flexible and convenient power input methods, power socket and terminal..
[Practical setting state]:The relay can maintain the setting state even if the computer is power off or USB is disconnected from computer after....

Supports Raspberry Pi 3A+/B+/2B/3B/3B+/4B/Pi Zero/Pi Zero W, Arduino UNO R3 / MEGA 2560 / STM32/ESP32/ESP8266.
The Relay Board gives your Raspberry Pi board the ability to control high voltage/high current devices, and easily makes normal home appliances become intelligent. Can be accessed programmatically or directly by shell.
Up to 4 layers can be stacked.The 4 Channel Relay uses high-quality relay modules combined with the most popular microcontroller technology to communicate with the Raspberry Pi..
You can use mulitiple relay modules stacked together to add many channels.
The 4 Channel module is very fast, easy to install, and supports multi-language development, making it ideal for smart home projects..

ON-BOARD ESP-01 WIFI MODULE: The relay board is equipped with on-board ESP-01 WiFi module and high performance microprocessor STM8S103..
UART DEBUG INTERFACE: The relay has reserved UART debug interface and STM8 SWIM program download interface..
SMART CONFIG TECHNOLOGY: The module uses smart config technology to complete the account and password configuration on the APP ESP-01 WiFi module on the mobile phone, and configure the username and password memory functions..
ON-BOARD 5V RELAY: This relay module adopts On-board 5V,10A250V AC 10A30V DC relay, which can continuously pull 100,000 times with diode discharge protection and short response time..
WORKING STATUS INDICATOR: The module has board mode selection and real-time working status indicator..

Raspberry Pi Expansion Board, Power Relay.
The RPi Relay Board gives your Pi the ability to control high voltage/high current devices, easily makes normal home appliances become intelligent..
Standard Raspberry Pi 40PIN GPIO extension header, Supports Raspberry Pi A+/B+/2B/3B/3B+/4B and later versions.
High quality relays, loads up to 5A 250V AC or 5A 30V DC.
Photo coupling isolation, prevent interference from high voltage circuit.

30A High Current 12V Contactor relay Switch DC power Switching Control Board.
Using high-quality ultra-small optocoupler, anti-interference ability, stable performance..
Using 9.5mm black fence terminal, standard 30A terminal, stable and solid, reliable quality..

Onboard square USB interface, stable connection..
Use imported high performance USB control chip..
Use the special relay drive chip ULN2803, the relay works more stable..
Board power socket and terminal, two ways to access the power supply are convenient and flexible..

INPUT CONTROL SIGNAL: Voltage AC or DC 24V, Current 17mA..
OUTPUT CURRENT: Output switch DPST 1NO 1NC(Double Pole Single Throw, 1 Normally Open and 1 Normally Close ), rated current 8A/250VAC or 8A/30VDC (one switch)..
SIMPLE & PRACTICAL: This passive power relay module is simple and practical, which is very convenient to use. It can support both Normally Open and Normally Close..
EASY MOUNT: The power relay is of compact plastic case and wires connects for easy mount. Two screw mounting holes are convenient for you to fix it on the wall or wooden board. Of course, you can also choose not to lock the screw..
LED INDICATION: This power relay has a led indicator for relay action indication. It is obvious to know the status of the switch at a glance..

【30VDC 250VAC Load】 Equiped with high-current relay, AC250V 10A.
DC30V 10A, each relay has normally open and normally closed contact. Can be selected by jumper relay and TTL or ground..
【High Level Trigger】The relay module is triggered by high level signal, which can be input from microcontroller IO..
【 3V/3.3V power relay module】- This Relay Board provides a single relay that can be controlled by any 3V/3.3V digital input from your microcontroller IO..
【Wide Application】- These 3v relay board works well with ARM /PIC /AVR /MCU/Raspberry/CNC machine/ PS4/3.3V /NodeMCU/ ESP8266 module etc..
【Long Life】 - Fast response time less than 20ms and long lifetime up to 100,000 times snap action with diode freewheel protection..

The ESP8266 Wifi module is designed with a 4-layer board. It is safer to use the relay PCB pin anti-climbing design. The access control server passes the TCP CLIENT mode. Controlled by the HTTP protocol..
Input overvoltage protection, TVS input, automatic protection will run when the voltage exceeds 33V. Single optocoupler isolated input, TVS input protection..
Wide voltage input, input voltage: DC 7V - DC 30V, input overcurrent protection..
220V 10A relay, one normally open, one normally closed. An output status indicator, an input status indicator..
Board dimensions: 65 × 40 × 20mm (1mm = 0.0393inch).

【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..