1. GNSS active ceramic positioning antenna supports BD, GPS, GLONASS and other satellite positioning systems
2. Center frequency: 1575.42 MHz, 1561 MHz, 1602.56 MHz
3. Output impedance: 50 ohm
4. Noise: less than or equal to 1.5 decibels
5. Plug: IPEX 1
6. Cable length: 35mm
7. Ceramic size: 25 x 25 mm
8. Current consumption: less than 10mA
9. Power supply: DC 3.3-5V
10. Operating temperature: -20 to 65 degrees Celsius
11. Input power: 50w
12. Axial ratio: 3dB
13. Direction of radiation: omnidirectional

1. Basic function: Realize the bidirectional transparent transmission function of serial port and Ethernet interface
2. Ethernet: Common network port
3. Insulation protection: without insulation
4. Serial port: TTL
5. Power supply: DC 3.3V/5V
6. Power supply method: pin row/pad
7. Application scenario: It can be used as serial server, Modbus gateway, MQTT gateway, suitable for data acquisition, IoT gateway, IoT security and smart meter monitoring, etc.
8. Size: about 34 x 23 x 11.5mm
Serial port parameters:
1. Transmission speed: 300-115200 bps
2. Data bits: 5-9 bits
3. Flow control: with flow control
Software:
1. Protocol: ETHERNET, IP, TCP, UDP, HTTP, ARP, ICMP, DHCP, DNS
2. Configuration mode: Host computer configuration, WEB browser, device management function library
3. Communication mode: TCP/IP direct communication, virtual serial port mode
4. Data transmission mode: TCP server, TCP client, UDP group, UDP
5. Modbus Gateway: Modbus TCP to RTU
6. Other functions: Custom heartbeat packages/logging packages, custom web pages, etc.
Characteristics:
1. Compact size, easy integration, low power consumption
2. Can be rapidly integrated into industrial, IoT and security applications and other product areas
3. Designed with stamp hole sinking process, highly integrated package, supports different ways to embed in various product applications
4. Support a variety of communication modes, support TCP server / TCP client / UDP multicast / UDP mode
5. Support Modbus gateway, suitable for Modbus network upgrade, can cooperate with 3D force control modal components
6. Customized heartbeat package and recording package, convenient for device communication and identification with cloud
7. Support NTP protocol, get network time for serial output or protocol content upload
8. Support web page and higher computer configuration
9. Pin out control pins, easy to embed or connect to user devices and various MCU master control devices
10. With a variety of indicators, it is easy to view the working status of the module

1. 1.69 inch LCD expansion board with built-in ST7789V2 driver chip
2. Resolution 240×280, 262K color, can clearly display color images
3. Use SPI control to ensure that too many interface pin resources are not occupied and can be connected to the main control boards such as Raspberry Pi / Arduino / STM32
4. Built-in level conversion chip, compatible with 3.3V/5V power input
5. Provide complete supporting information manuals (sample programs such as Raspberry Pi / Arduino / STM32)
Parameter:
1. Working voltage: 3.3V/5V
2. Resolution: 240 × 280 pixels
3. Communication interface: 4-wire SPI
4. Display size: 27.97 × 32.63 mm
5. Display Panel: IPS
6. Pixel Size: 0.11655×0.11655mm
7. Control chip: ST7789V2
8. Product size: 31.50 × 39.00 mm
Packing list:
-1.69 inch LCD module × 1
-GH1.25 8 PIN Cable 20cm × 1

1. Using semi-flexible polysilicon solar panels, lightweight and portable, easy to use outdoors
2. Integrate 5V voltage stabilization circuit and bring out 2 USB ports, which can be powered by external 5V devices via USB, with working light
3. Reserve the DC5521 power interface, which can be used to connect to a power management module or controller that supports 18V solar panels
4. Comes with a variety of accessories and adapter cables for easy use
Parameter:
1. Solar cells: polysilicon
2. Surface material: semi-flexible laminate (not excessively bent)
3. Solar panel power: 10W
4. Output interface:
DC5521 Female Port
- The solar panel is not converted, and the power interface is directly output
- Working voltage: 18V +/-5%
- Working current: 600 mA +/- 5% (maximum)
- Open circuit voltage: 21.6V +/- 5%
Dual 5V USB ports:
- After the solar panel passes through the 5V voltage regulator circuit, the output power interface
- Working voltage: 5V (Enough power and stable output at 5V only if the sun is well illuminated; if there is no sunlight or the light is weak, the output voltage and power are insufficient, so it is not suitable for use)
- Output current: 1.5A (voltage regulator circuit can support 5V/3A output, but limited to -solar panel power supply, effective use of light and loss, 2-way total output up to 1.5A)
5. Product size: 435 × 200 mm
Note: The above parameters are tested under standard conditions (radiation intensity 1000W/m2, temperature 25 degrees Celsius, air quality AM1.5)

1. Working frequency: VHF(172-240MHz)\UHF(470-860MHz)
2. VSWR: <= 1.5
3. Impedance: 75 Ohm
4. LNA gain: 25 dB
5. Receiving range: 50 miles
6. Cable: 1.5C-2V / Black L = 0.6m
7. Connectors: F male
8. Polarization: linear
9. Voltage: 5V
10. Power connector: USB
11. Current consumption: 20mA
12. Working temperature: -45 ~ 85 degrees Celsius
13. Storage temperature: -45 ~ 85 degrees Celsius
14. Compatible with 720p, 1080i, 1080p/ATSC

1. Wireless Broadcast Live / Eating Broadcast / Outdoor Lavalier Radio Microphone, Universal for Cell Phones and Tablets
2. The back clip design can be clipped on clothes at will.
3. Get music in 360 degrees
4. High-performance wireless microphone, stable signal, can penetrate walls, unobstructed distance of more than 20 meters
5. Built-in noise reduction chip, strong anti-interference ability
6. Built-in 80mAh battery, up to 10 hours battery life
7. Frequency range: 2.4GHz
8. Frequency response range: 20-20khz
9. Transmission delay: 9ms
10. Signal to noise ratio: 64 dB
11. Charging current: about 65mA
12. Working time: about 10 hours
13. Charging time: about 80 minutes
14. Input voltage: DC 4.8-5.4V

Memory card type: SD card
Screen type: LCD screen
Image stabilization: Electronic image stabilization
Set Type: Zoom Set
Model Number: Digital Camera
Image resolution (video): Full HD (1920x1080)
Recording format: Image: JPEG Video: AVI
1. CMOS sensor, up to 16 million pixels
2. Storage media: Expandable SD card / HCSD card to 32GB
3. Sensitivity: Auto, ISO100, ISO200, ISO400
4. Lens: Fixed F/3.2 lens, F=7.6mm
5. Focus range: 1.2m - Infinity
6. Image still: Jepg / VGA, 1m, 3m, 5m, 12m, 16m (interpolation), AVI movie 1080p 720p VGA
7.Fill light: <1.0m open/close range
8. White balance: Auto / Sunlight / Cloudy / Bulb / Fluorescent
9. Exposure compensation: -2.0 / + 2.0
10. Self-timer: OFF / 2 seconds / 5 seconds / 10 seconds, Auto stop: OFF / 1/3 / 5/10 minutes
11. Computer interface: USB2.0 (high speed)
12. Microphone: Built-in, Speaker: Built-in
13. LCD screen: 2.7 inch TFT-LCD (230,000 pixels, 4:3)
14. Video Output: NTSC / PAL
15. Power supply: BL-5C lithium-ion battery

1. For Raspberry Pi M12 Camera Module
2. Resolution: 5 megapixels
3. Focal length: 25mm
4. Aperture (F/N): 1.7
5. Rear focal length: 5.20mm
6. Distortion: less than 0.3%
7. Working temperature: -20-80 degrees Celsius
8. Mounting: M12 x P0.5
9. Construction: 6G + IR
10. Weight: 9 g
Note: For use with Raspberry Pi Zero or Zero 2W, you will need to purchase an additional Raspberry Pi Zero v1.3 Camera Cable

** Description:

1) The portable and standalone 3.5 inch LCD digital microscope is an ideal product for sharing high-definition microscopic observation with others.

2) It can support 32G TF card, and also supports USB connection to computer and TV. The biggest advantage of UM038 is high definition, because we adopt imported microscope lens. It can display the vivid crystal clear image.

3) Help you easily see small objects with the professional microscope lens. With 250X optical zoom and 4x digital zoom, the magnification can reach up to 1000x. The 8 bright LEDs, with adjustable brightness, are bright enough for perfect observation. The 1050mAh rechargeable lithium-ion battery offers 2.5-3 hours working time. More interestingly, the professional measurement software can help measure dimensions up to 0.001mm, which is extremely helpful for your scientific research.

4) With this microscope, you can enjoy your research or share it with your friends. It can be used for It is especially useful and convenient for young people to do some basic research.

** Characteristics:

1) 3.5 inch LCD display

2) 5M pixel image sensor

3) Professional microscopic lens

4) Magnification 250x, up to 1000x

5) 8 LEDs with adjustable brightness

6) Battery powered, portable and self-contained

7) Measurement function

8) TV output to any monitor with TV input

** Specifications:

1) Image sensor: 5 mega pixels (real resolution)

2) LCD Panel: 3.5 inch

2) Still image capture resolution: 12M, 9M, 5M, 3M, 1.3M, VGA

3) Video capture resolution: 12M, 9M, 5M, 3M, 1.3M, VGA

4) Focus range: Manual focus from 10mm to 50mm

5) Frame rate: Maximum 30 f/s at brightness below 600 lux

6) Magnification ratio: up to 1000X

7) TV Out: Available (on any monitor with TV input)

8) Card Slot: Support Micro SD card slot up to 32GB SDHC

9) Light source: 8 LEDs (adjustable via control wheel)

10) Battery: Rechargeable lithium battery (rechargeable via adapter or USB)

11) Measure:

- Via software (Portable Capture with OSD language: English, German, Spanish, French, Russian)

- OSD Language: English, German, Spanish, French, Russian

- Software bundle: Portable Capture with measurement

- Product Dimensions: 149mm x 104mm x 227mm

- Weight: 1100 g

12) Certificates: with CE, FCC approval, RoHS compliant

Instant measurement of distance, area and volume with one button: YES
Self-calibration: YES
Wide measuring range: YES
High precision: ±2mm (0.079 inch)
Automatic area and volume calculation: YES
Indirect measurement according to the Pythagorean theorem: YES
Single / continuous measurement: YES
Maximum / minimum distance monitoring (displayed value): YES
Easy addition/subtraction of measurement: YES
Set front/rear benchmark: YES
Meter (m), inch (in) and foot (ft) selectable: YES
Data storage/recall function: YES
Data Hold / Data clear function: 30 units
Spirit level: YES, included
Easy aiming with bright laser pointer: YES
Large LCD with backlight and multi-line display (4 lines): YES
Auto-correction and error reporting technology: YES
Buzzer indication: YES
Battery status indication: YES
IP54 protection (dust and splash proof): YES
Auto/Manual Power Off Function: YES
Multifunction with intelligent calculation: YES
Compact and handy design: YES
CE, ROHS, FCC certified: YES

1. Rated voltage: AC 220V single phase
2. Motor voltage: 220V
3.Adapted motor power: 1.5kw
4. The nature of DC power: voltage type
5. Control method: V/F OPEN loop
6. Rated current: 12a
7. Supply voltage: low voltage
8. Protection methods: overcurrent, overvoltage and undervoltage, module failure, overheating, short circuit, input and output phase loss, abnormal motor parameter adjustment, electronic thermal relay, etc.
9. Product size: 17.9x12.4x12.7cm

Characteristics
1. The LED ring light can be mounted on the stand and taken anywhere, it can also be removed from the stand at any time, the tripod ball head can rotate 360 ​​degrees and can be adjusted freely to any angle (stand is not included).
2. The ring light is made of 40pcs energy-saving LED beads, excellent heat dissipation, constant current drive and high color rendering, soften the light source and enhance skin tone in portrait photography.
4. 3-color lighting mode adjustable brightness for your choice, you can adjust the color and brightness very easily, you can get excellent brightness without installing extra color filters. Three colors of soft natural light illuminate your beauty in different occasions.
5. USB ports can be used with multiple devices, such as connecting computer host, laptop, mobile power and USB charger. You will be able to enjoy the LED ring light at any time for free.
6. Lightweight and portable design: Convenient to use and carry when traveling or working outdoors etc.
7. Wide Application: It is widely applied to outdoor photography light, indoor fill light, portrait photography, fashion photography, advertising photography, video shooting etc.
LED Ring Specifications
1. Number of beads: 2x20pcs
2. Lamp bead model: 2835
3. Lamp brightness: 24-26 lm
4. White light color temperature: 6500K
5. Warm white color temperature: 3200K
6. Power: 0.3-6.5W
7. Voltage: 5V
8. Indicates: Ra>90
9. Dimming range: 1%-100%
10. Shell material: ABS, acrylic light cover
11. Size: Outer diameter 120mm. Inner diameter 86mm
12. Power supply: USB port power supply
13. Cable length: 2m
List of packages
1. LED ring light x 1
2. Tripod Ball Head x 1
3. USB cable wire control x 1
4.Colorful packing box x 1

1. Gold-plated plug with good contact performance and not easy to oxidize
2. Electroplating metal shell, durable and anti-interference.
3. 24AWG all copper conductor wire with double layer shielding, which can effectively resist interference and reduce noise and provide high fidelity sound quality. The outer diameter of the wire is 5mm.
4. The 3.5mm interface adopts male thread design, which can be connected to both normal 3.5mm female interface and female thread interface. It can also connect 6.35mm thread adapter, which is widely compatible with 3.5mm + 6.35mm audio devices.
5. Product use: Can be used for microphone, mixer, wireless microphone, professional camera and other equipment. Balanced connection, supporting 48V phantom power.

1. Chips that can be copied: 2260 (all manufacturers), 2262 (all manufacturers), PT2264, 5326 (all manufacturers), SC5262, HT600, HT680, HT6207, HT6010, HT6012, HT6014, SMC918, 527 (all manufacturers), 1527 (all manufacturers), 2240 (all manufacturers), HCS101, HCS200/HCS201 (part of the code), HCS300/HCS301 (part of the code), part of the microcontroller
2. How to clear the code: Press and hold the unlock and lock buttons at the same time (some covers have up and down buttons), the LED indicator flashes three times, release any one of the pressed buttons, the other is not loose, click to release Press the button three times, the LED indicator will enter a fast flashing state, and all the data in the memory will be cleared. After the data is cleared, the remote control, no matter which button is pressed, the LED indicator will not light up.
3. Duplication method: Hold the original remote control in one hand and the duplicate remote control in the other, and place the two remote controls as close as possible. For the keys that need to be copied, the LED indicator flashes quickly three times and then flashes quickly. Copying is successful. The operation methods of other keys are the same. Some remote controls have low transmission power, so the original remote control and the duplication remote control must be operated back to back for duplication. In case of interference in some operating environments, the interference operation should be avoided.
4. Frequency: 433 MHz
5. Remote control distance: 50-100 meters
6. Material: PC
7. Dimensions: 60 x 37 x 12 mm
8. Weight: 19 g

1. 5G Standard: 3GPP R16
2. Chip: Qualcomm Snapdragon X62
3. Operating System: for Windows/Linux/Android
4. Composition: RNDIS, NDIS, PPP, MBIM
5. SIM card: 1.8V/2.95V
6. Power supply: 3.135-4.4V
7. Standard M.2 interface
8. High-throughput data communication
9. The AT command of SIM8262E-M2 is compatible with SIM7912G/SIM8200X-M2 series modules

About this product
1. 12 inch LED screen digital photo frame with 1280*800 pixel resolution
2. 16MB internal memory + 32GB external memory (support SD U-disk)
3. Support audio player, video player, clock, calendar

1. Fan as 3D hologram LED display, very creative
2. Resolution: 1152*1152DPI
3. LED lamp beads: 4*288 PCS
4. Viewing angle: 170 degrees
5. Rated power: 80W
6. Rated voltage: 12V
7. Rotation speed: 700RPM
8. Brightness: 2500lumens
9. Communication method: 2.4G WiFi 802.11b/G/N
10. Timing switch: support
11. App control switch: support
12. TF card storage space: 16GB
13. Video image format: MP4, AVI, RMVB, JPG
14. Content replacement method: TF card, computer, mobile app, cloud
15. Product size: 650*650*85mm
16. Product weight: 0.6kg
17. Package includes:
- host (including a TF card) x 1
- LED Light Bar x 4
- Power adapter and power cord x 1
- Fixed bracket x 1
- Remote control x 1
- Card reader x 1
- Screw the package x 2
- screwdriver x 1
- Manual x 1
- Certificate x 1

1. Silicone material, soft and resistant to stretching
2. It has good dust and water resistance
3. The buttons are clear and do not affect use.

1. Mounting size: 22mm
2. Color: Black + Red
3. PBT material
4. Insulation resistance: > / = 2M ohm
5. Allowable voltage: +/- 20% (AC 24V)
6. Brightness: > / = 100cd/m2
7. Electrical life: 30000 hours
8. Dielectric strength: 2.5 KV (AC RMS)
9. CTI: > / = 100
10. Degree of protection: IP65
11. Operating frequency: AC 50~60Hz
12. Dimensions: 5.0 x 3.6 x 3.6 cm
13. Weight: 18 g

RP2040-LCD-0.96 is a low-cost, high-performance MCU board with flexible digital interfaces. It incorporates the RSPBRY PI RP2040 microcontroller chip, as on the Raspberry Pi Pico. For software development, either the Raspberry PI C/C++ SDK, or micropython is available, making it easy for you to get started, and quickly integrate it into end products.
In addition, there are also 0.96-inch IPS display, lithium battery charging / discharging header, and high-efficiency DC-DC Buck-Boost chip.

Key features include:
1. RP2040 Microcontroller Chip Designed by Raspberry PI in the UK
2. Brame Cortex M0+ Dual-Core Processor, flexible clock running up to 133MHz
3. 264KB of SRAM and 2MB of flash memory on board
4. USB-C connector, keep it up to date, easier to use
5. 0.96 inch 65K 160x80 pixel LCD display
6. Lithium battery charging / discharging header, suitable for mobile devices
7. Onboard TPS63000 DC-DC chip, high efficiency DC-DC Buck-Boost Chip, switch current 1.8A
8. Cast module allows direct welding to carrier boards (should be dedicated cutting to incorporate lower components)
9. USB 1.1 with device and host support
10. Low power sleep and sleep modes
11. Drag-and-drop programming using USB mass storage
13. 26 x Multifunctional GPIO Pins
14. 2 x SPI, 2 x I2C, 2 x UART, 3 x 12-bit ADC, 16 x controllable PWM channels
15. Accurate clock and on-chip timer
16. Temperature sensor
17. On-chip accelerated floating point libraries
18. 8 x Programmable I/O (PIO) state machines for custom peripheral support

Specifications
1. Power supply voltage: DC 24V
2. Trigger terminal voltage: DC 5~30V (can also be triggered by button)
3. Relay control current: 10A
4. Module size: 63 x 42 x 20mm (length, width and height)
Specifications set
1. Press and hold S1 button and don't let go, after 0.5 seconds the display will show P-xx, press S2 and S3 to change working mode.
2. After selecting the working mode, short press S1 key to enter the A time setting, and the screen displays Axxx. At this time, press S2 and S3 keys to modify the A time parameters. Short press S2 and S3 keys to add or subtract 1, and long press to quickly add or subtract. 10. Press S4 key to set the decimal point position.
3. After setting time A, press S1 button to set time B and the screen displays bxxx. At this time, press S2 and S3 buttons to change the parameters of time B. Short press S2 and S3 buttons to add or subtract 1, and long press to quickly add or subtract. 10. Press S4 button to set the decimal point position.
4. After setting the time B, press the S1 button for the last time to exit the setting state and save all the parameters.
Product information
1. Multifunctional time relay module, a variety of working voltages are optional, DC 24V
2. The output terminal is isolated from the circuit by a relay, which can control low-voltage electrical appliances and 220V lines, with a control capacity of up to 10A.
3. There are up to 27 working modes to meet various automatic testing and control applications, and the delay time is adjustable from 0.01 seconds to 999 minutes.
4. The trigger port can be activated by a voltage signal or it can be activated by a button.
Point position
1. The decimal point Ax.xx is in hundreds, the time range is 0.01~9.99 seconds
2. The decimal point Axx.x is in ten places, the time range is 0.1~99.9 seconds
3. Axxx. The decimal point is in one place, the time range is 1~999 seconds
4. Axxx has no decimal point, the time range is 1~999 minutes
5. Display off: In the unset state, press the S4 button to turn off the display, and press it again to turn it on again.

1. Connecting the microphone wirelessly, the real-time audio reception is zero delay and a free wireless connection is realized.
2. Automatic pairing, free from shackles. Plug in the receiver and it will automatically connect without cumbersome operations.
3. High-performance wireless microphone technology, stable signal, wireless receiving distance up to 120 meters.
4. Built-in DSP noise reduction chip, anti-interference and effectively identify the original sound.
5. 2.4G transmission frequency, low delay, fully expanded audio channel and stable transmission.
6. 360 degree omnidirectional radio, high sensitivity digital silicon microphone, 99% restored high-definition radio.
7. Parameters:
Input voltage: 5V
Frequency range: 20Hz-20KHz
Signal to noise ratio: greater than 100dB

1. Mounting size: 22mm
2. Color: Black + Red
3. PBT material
4. Insulation resistance: > / = 2M ohm
5. Allowable voltage: +/- 20% (AC 12V)
6. Brightness: > / = 100cd/m2
7. Electrical life: 30000 hours
8. Dielectric strength: 2.5 KV (AC RMS)
9. CTI: > / = 100
10. Degree of protection: IP65
11. Operating frequency: AC 50~60Hz
12. Dimensions: 5.0 x 3.6 x 3.6 cm
13. Weight: 18 g

1. Silicone material, soft and resistant to stretching
2. It has good dust and water resistance
3. The buttons are clear and do not affect use.

Characteristics
1. Long life and high reliability
2. The single-phase solid state relay is designed in accordance with IEC standard
3. Ideal for controlling high power AC devices
4. A good companion for digital temperature controller
5. Control method: DC to AC.
6. Mounting method: fixed bolts
7. You need some professional knowledge to use it

1. Suitable for 8-pin interface devices
2. Shock-proof and shock-absorbing design makes recording more stable, with windproof cotton lining
3. Plug and Play, easy to use
4. Standard 3.5mm Audio Jack, support for 180 degrees, more convenient for recording
5. Flexible corner design
6. Frequency range: 75Hz-16kHz
7. Dimensions: 18x137 mm
8. Weight: 9.5 grams

Features B>
1. Measurement: With high sensitivity detector To collect temperature and humidity with fast response and high precision, can review the current limit, max, min, upper limit and low limit readings. Automatically record and store the temperature and humidity data.
2. Data transfer and programming: Directly connect the device with PC USB interface to transfer data with PC and to set sampling period, storage interval and alarming.
3. Analysis: With specialized software to analyze temperature and humidity data with easy and reliable operation.
4. Safety: The bracket allows screw fixing with dust-proof cover in transparent water to protect the device from moisture and a rising lower limit can be set on Alarm is overflow readings.
5. Convenience: It is compact and portable to place and worked as a flash disk. Also, it can be displayed with battery volume warning.

Specifications B>
1. Temperature measurement range: -30-80 degrees c
2. Humidity measurement range: 0 ~ 100% RH
3. Memory size: 32256
4. Power: 3.6V lithium battery (not included)
5. Accuracy tolerance: +/- 0.3 degrees C (typical) ??? +/- 2% RH (typical)
6. Repeatability: +/- 0.1 degrees c (typical)
7. Size: 126 x 28 x 21mm

Size:

package weight

Weight of each package 0.22kgs / 0.48lb One size fits all product 16cm * 10cm * 4cm / 6.3inch * 3.94inch * 1.57inch Quantity of a box 100 Weight of a box 21.00kgs / 46.30lb Dimensions of a box

52cm * 42cm * 32cm / 20.47inch * 16.54inch * 12.6inch

Overview
1. Sensitive to alcohol, ethanol
2. The output voltage increases together with the increase in concentration of the measured gases
3. Rapid response and recovery
4. Adjustable sensitivity
5. Signal output indicator

Specifications
1. Power: 2.5V~5.0V
2. Size: 40.0mm*21.0mm
3. Mounting hole size: 2.0mm

Applications
1. Car alcohol alarm
2. Breathalyzer

How to use
In case of working with an MCU:
1. VCC: 2.5V ~ 5.0V.
2. GND: power supply ground
3. AOUT: MCU.IO (analog output)
4. DOUT: MCU.IO (digital output)

Package Contents
1. MQ-3 gas sensor x1
2. 4 Pin Custom Connector Jumper Cable x1