The two-channel stereo, 5V power supply can output 5W + 5W power
Unique non-LC filter Class-D digital power board
Dual-panel wiring
Ultra-miniature design
Solder by machine
The rated working voltage 2.5-5V, limit operating voltage 5.5V
Operating Voltage: 5VDC
USB to Serial Converter: CH340C
Compatible With:ESP8266 ESP-01/01S
Comes With Onboard Reset Switch
Has Female Headers for Connecting the Wifi Module.
Operating Voltage: 12V DC
Two separate LEDs for On/Off indication of the Relay
Triggering input voltage 3.3V – 5V 4)
Back EMF protection
Equipped with high-current relay 10A@250VAC / 10A@30VDC
It can control both AC and DC appliances such as Solenoids, Motors, lights, fans, etc
High-quality screw terminals (Terminal Block) provided (C, NC, NO) for quick and easy connection
Freewheeling diode to protect your microcontroller
Input Signal Pin connected to Burg stick for easy accessibility
Mounting holes provided
Channel: 1 channel
Comes with GUIDE RAIL
Relay Voltage: 12V
High impedance controller pin
Pull-down circuit for the avoidance of malfunction
One normally closed contact and one normally open contact
Triode drive, increasing relay coil
Onboard Module: ESP8266 wifi module; in AP mode it can connect with 5 Clients at the same time
Operating Way: cellphone carried on wifi module; cellphone and wifi module carried on the same router, and use the APP to control relay
Transmission Distance : 400m (max)
Relay : 5V,10A/250V AC 10A/30V DC
Baud Rate: 9600.
Diode effusion protection;
Short response time
Operating Voltage: 24V DC
Two separate LEDs for On/Off indication of the Relay
Triggering input voltage 3.3V – 5V 4)
Back EMF protection
Equipped with high-current relay 10A@250VAC / 10A@30VDC
It can control both AC and DC appliances such as Solenoids, Motors, lights, fans, etc
High-quality screw terminals (Terminal Block) provided (C, NC, NO) for quick and easy connection
Freewheeling diode to protect your microcontroller
Input Signal Pin connected to Burg stick for easy accessibility
Mounting holes provided
Channel: 8 channel
Relay Operating Voltage: 5V
Power supply and relay instructions, lit, disconnect is off;
Input signal, signal, common Terminal and start conducting;
Input signal, signal, common Terminal and start conducting;
Useful for appliance control;
DC or AC signal, control, you can control the 220V AC load;
There is a normally open and one normally close contact;
The module is compliant with international safety standards, control and load areas isolation trenches.
Product: DC Conversion Power Module
Input Voltage Range:2.8V-5.5V
Output Voltage:+/-12V (V +:+12V;V-:-12V)
Output Current:+12V stable output current capability of 50mA,-12V stable output current capability 30mA,almost meet all ADC, DAC and amplifier applications
Size:2.4×1.2cm
IC Chip: MAX3232
Operating Voltage: 3.3-5.5V
It can be used to program STC MCU, NXP MCU, Renesas MCU, STM32 MCU, N+-2EC MCU
Pre-assembled compact size board
Suitable for use with most microcontrollers
Operates up to 250 kbit/s
USBÂ Connector type: USB-Mini
Chip Used:Â FT232RL
Output Voltage 5v and 3.3v Indicator LEDs USB Connector
Automatic detection of data transfer speeds up to 1Mbps
Data exchange capability with an external interface with UART protocol
Supports Windows 8, Windows 7,  Windows Vista, Windows XP, Linux, Mac OS X, Windows CE 4.2-5.2, Windows CE 6.0
Resettable fuse with 500mA
3.3V / 5V real switchable
3.3V comes with the transformer
Green Data reception mentioning an indicator
Multifunction CTS access products
Dual protection circuit
Full-function pins 5P
Blue power indicator
Input Voltage: DC3.6V-6V
Input Current: 2A-5A
Output Voltage: DC 400KV (Please pay attention to safety when used)
Input Line Length: about 100mm (red is positive)
Output Line Length: about 160mm
Operating Voltage: 12V DC
Equipped with high-current relay 10A@250VAC / 10A@30VDC
It can control both AC and DC appliances such as Solenoids, Motors, lights, fans, etc.
High-quality screw terminals (Terminal Block) provided (C, NC, NO) for quick and easy connection
Freewheeling diode to protect your microcontroller
Input Signal Pin connected to Burg stick for easy accessibility
LED Status indicators to indicate the relay ON/OFF status
Mounting holes provided
Single wire communication, to maximize the reduction of I/O port pressure, and the use of the RGB WS2812B driver chip, so that the peripheral circuit requires only a single capacitor can meet the needs of the circuit, give people the enjoyment of beauty, in addition, this RGB ring, but also through a simple Dout input port, and the other using the same chip RGB lamp cascade, without need considering the shape of the limit.
Provide all the active functions for a step-down (buck) switching regulatorCapable of driving a load up to 5A with excellent line and load regulationSimple High-Efficiency Step-Down (Buck) RegulatorMostly used for On-Card Switching Regulators