Relay module kit + WIFI ESP-01 smart home IoT
Remote control + receiver 2 channels automation type 1
Remote control + receiver 2 channels mini
Model: DC12V 2CH RF Remote Control Switch System
Remote control + receiver 4 channels automation type 1
completely remote control+module. Action mode: Each channel has a common terminal plus 2 outputs, one closed contact, the other open contact. Upon pressing the canal button both outputs is
Remote control 4-channel automation module
Remote control+receiver 4-channel automation type2
Remote control+receiver 8-channel automation type1
Replacement remote control with rolling or fixed Superior code
RFID module RC522 + 2 tags (keychain and card)
RFID tag 13.56MHz keychain type
size: 3.5 x 2.8 x 0.4cm span>
Serial WiFi module ESP8266 ESP-01S
Smart switch WiFi 2 circuits
Soil moisture sensor with alarm for plants
sensor is inserted into the soil and the level at which the plants need to be watered are set by pressing the button.
When reaching this level the sensor emits a sound alarm reminding you that plate
Step down DC-DC 12-28V to 5V with MC34063
Operating Voltage: DC 12-28V (Limit Voltage: DC 9-30V, 9V AGING LOW, ABOUT 67%)
Output Voltage: DC 5V
Load Current: Less Than 350ma
Dimensions: 30 * 20mm
Step down module DC-DC 14-26V to 12V 3A
input Voltage: 14V-26v
Output Voltage: 12v
output court: 3a (max)
conversion efficiency: <30mv
operating temperature: -40 ~ 85 Celsius
size: 22.3*17*4.2mm
Step up DC-DC module DC-DC 8-32V to 45-390V 780V
Input Voltage: 10-32V input (Suitable for width voltage input rande)
> > > > > > > > > > > > > p.
Step up DC-DC module with display LTC1871
digital display with 3 digits
LED Food Indication
food voltage: 3V-35V
output voltage: 3V-35V
maximum power: 100W
maximum efficiency: 92%
<Step up mode DC-DC 2.8-5.5V to +/- 12V
Input voltage range: 2.8V~5.5V
Step up module DC-DC 2-24V to 5-28V, 2A
Features:
Step up module DC-DC 3-5V to 5V/9V/12V/24V 2A
Step up module DC-DC 5A XL6019
xl6009 4a dc-dc adjustable step up boost power modules 3-32v to 5-35v 4a
Step up module DC-DC 600W 10A 12-60V to 12-80V
6
Step up/down DC-DC 60W YH11072A
Step-down module DC-DC from 4-38V to 1.25-36V 8A 200W XH-M401
DC-DC step-down module from 4-38V to 1.25-36V, 8A, 200W
This product uses XL4016 switch-type voltage regulator chip with MBR10200 double rectifier.
Adjustment mode of
Step-up PFC LCD 26-55 inch step-up power supply module
Description of each cable connection:
red line: connect the C pole of the original machine power switch (Pol D of the field effect).
Stepper motor 220V 4W 3rpm
works continuously at a very slow speed, being connected to a normal network without controller.
The motor is made of metal and a plastic protective housing, it is supplied
Stereo amplifier kit 2x15W TDA7297
• Amplifier TDA7297: 2 x 15w
• Exit signal potentiometer
• Operation voltage: 12-18v
• Dimensions: 55 x 49 mm
Stereo amplifier kit 2x7W TDA7266
• Amplifier TDA7266: 2 x 7w
• Exit signal potentiometer
• Operation voltage: 3-18v
• Dimensions: 45 x 33 mm
TDA8954TH 2x420W 2x420W Class D Stereo Amplifier Kit TDA8954TH
Temperature/humidity/pressure sensor
bme280 atmospheric pressure sensor temperature humidity sensor breakout for arduino bmp280 sensor replace BMP180
description:
bme280, the precise
Thermoelectric Peltier Cooling Module 12v 9A 100W TEC1-12709
Thermostat module W1209 12V with sensor
With this module you can control most types of electrical devices depending on the temperature detected by the NTC temperature sensor, which has a high accuracy. 3 tact switch
Thermostat module W1401 12V with sensor
features:
measurement domain: from - 9 ℃ to + 99 ℃;
accuracy: 1 ℃;
refresh rate: 0.5 s;
power supply voltage: 12 V dc
TPA3110D2 2x15W 2x15W Class D stereo amplifier kit
TPA3116D2 2x120W Class D Stereo Amplifier Kit TPA3116D2
TPA31116d2 class D AMP Board 2*120W High Power Amplifier Board Dual-Channel XH-M543
Description:
this power Power Power Board Features Onboard IC, Improoving Its Input S
TPA3116D2 2x50W 2x50W Class D Stereo Amplifier Kit TPA3116D2
Type C DIP2.54mm adapter module
Ultrasonic atomizer with LEDs
high quality fog generator that emits both fog and colorful light due to the 12 multicolored LEDs.
features:
does not use heat or chemicals.
Ultrasonic sensor HC-SR04
power voltage: 5V
current consumed: 15ma
operating distance: 2cm - 4m
measurement nail: 15grade
error of only 3mm
Input signal duration: 10us
USB 5V amplifier kit 2x3W PAM8403
• Amplifier type: class D
• Power: 2 x 3w
• power: USB 5V DC
• Dimension: 29.5x20.2mm
USB EEPROM/Flash BIOS programmer EZP2010 SPI 24/25/03 25T80
USB memory programmer 24XX 25XX 25XX 93CXX
USB memory programmer CH341A
USB to RS232 MAX3232 TTL converter module
USB to TTL converter module CP2102
Voltage regulator module DC 4-40V 8A
Features
Adjustment method: first correct the input power (between 4-40V), then the multimeter to monitor the output voltage and adjust the potentiometers
Voltage source module AC-DC 220V-12V 450mA
It has protection against temperature, overcurrent and short circuit, high and low voltage insulation, stable performance.
When overvoltage and short circuit situations occur, this m