CJMCU Guva S12SD Sunlight Ultraviolet UV Ray Intensity
- Power supply voltage of 2.5 V ~ 5 V
- Low power consumption
- Wide detection range: 240 nm to 370 nm
- Wide Angle: 130 degrees
- Schottky type photosensitive diode
- Good linear response
- High sensitivity
- Low power consumption
- Power supply voltage of 2.5 V ~ 5 V
- Working current is microamps.
- High sensitivity
- High stability
- Wide detection range: 240 nm to 370 nm
- Wide Angle: 130 degrees
- Schottky type photosensitive diode
- Dimension: 11 mm x 27 mm
Voice Module Sound Module Audio Player WT588D
- Input Supply voltage (V) :2.8 ~ 5.5
- Current consumption (sleep mode: 10 µA
- Sampling frequency (kHz): 6 ~
- Built 13Bit/DA converter, and 12Bit/PWM output.
- Support for loading WAV audio formats
- Module package (with FLASH memory and peripheral circuits) have DIP16, DIP28, chip packaging has DIP18, SSOP20, and LQFP32 form
- Built 13Bit/DA converter, and 12Bit/PWM output
- PWM output can directly drive 0.5W/8Ω speakers, push-pull current abundant support DAC / PWM output of two ways;
- Support for loading WAV audio formats;
- USB download mode, support for online download / offline download; WT588D voice chip, even in the case of electricity, will also be able to download the data to the normal SPI-Flash;
- Supports MP3 control mode, control mode button, 3 × 8 key combination control mode, parallel control mode, front-line serial control mode, three-wire serial control mode, and three-wire serial control I / O port expansion output mode;
- Support load 6K ~ 22KHz audio sampling rate
- Up to 500 segments can be loaded for editing audio
PH Tester Soil Water Moisture Light Test Meter Sensor
- Three different soil test meters in one device; Measures moisture, pH/Acidity, and light.
- Detector shape: Needle ( 1pc Copper needle, 1pc Silver needle)
- Needle length: approx. 210mm/8.26'
- Moist value (1-10RH): 1-3(Red): need water, 4-7(Green): favorable moisture, 8-10(Blue): too wet
- pH value (8-3.5): Neutral solution : =7, Acid reaction : <7, Alkaline reaction : >7
- Light value (0-2000 Lux)
- Higher values mean the greater the intensity of the light
- Help you to determine if the plant getting adequate light
- Total Length:250 mm
- Probe Length:170 mm
- Probe Diameter:5 mm
- Material: Body: Plastic
- Probe: Stainless Steel & Aluminium
- 100% Accuracy; Easy to read moisture, pH, and light levels;
- No battery is required, simple and convenient to use.
- Working temperature: 5 degrees -50 degrees C
- Dimension: 285*50*30mm
- Weight: approx. 57g
HC-12 433 SI4463 Wireless Serial Module
- IEEE 802.15.4g compliant
- Supply voltage: 3.2V~5.5V
- Operating frequency range: 433.4-473.0MHz,
- Up to 100 channels of communication
- Receive sensitivity = –126 dBm
- Serial TTL (RX, TX, GND) interface
- Modulation (G)FSK, 4(G)FSK, (G)MSK, OOK
- Maximum transmit power: 100mW (settable)
- Max output power: +20 dBm
- Low active power consumption: 10/13 mA RX, 18 mA TX at +10 dBm
- Ultra-low current power-down modes: 30 nA shutdown, 50 nA standby
- Data rate: 100 kbps to 1 Mbps
- Fast wake and hop times
- The highly configurable packet handler
- TX and RX 64 byte FIFOs
- Auto frequency control (AFC)
- Automatic gain control (AGC)
- Low BOM and battery detector
- Default factory settings: Mode FU3, the baud rate is 9600bps, communication channels CH001 (433.4M)
Nano V3 Ethernet Shield
16-Channel 12-bit PWM/Servo Driver I2C interface PCA9685 for Arduino Raspberry Pi
- Adjustable frequency PWM up to about 1.6 kHz
- 12-bit resolution for each output – for servos, that means about 4us resolution at a 60Hz update rate
- Configurable push-pull or an open-drain output
- The output enable pin to quickly disable all the outputs
- Terminal block for power input
- Reverse polarity protection on the terminal block input
- Green power-good LED
- 3 pin connectors in groups of 4 so you can plug in 16 servos at once
- Chainable design
- A spot to place a big capacitor on the V+ line
- 220-ohm series resistors on all the output lines to protect them, and to make driving LEDs trivial.
- This board/chip uses an I2C 7-bit address between 0x60-0x80, selectable with jumpers.
1/4 CMOS 640*480 USB Camera with Collapsible cable for Raspberry Pi
• Interface: USB 2.0
• Sensor: 1/4 Cmos
• Operating Current: <120 mA
• Picture Format: VGA
• Resolution: 640X480
• Supports 300k pixels, a maximum resolution of 640×480, and VGA/ YUY2 packed formats
• Dimension: 40mm × 15mm × 30mm; designed for Raspberry Pi and PC
• With a retractable USB cable, convenient to store
• Applies USB 2.0 High-speed Sensor, plug-and-play, no driver installation
• High definition and true colour images.
• max pixels: 12m pixels
RIKO SN04-N NPN Inductive Proximity Sensor
• Operating Voltage(V): 10 ~30
• Current Consumption Max: 5 mA
• Detection distance(mm): 5 mm.
• Type of detection: Inductive.
• Cable Length: 145 cm.
• Response Frequency: 500Hz Max.
• Protection class: IP 67
• Red LED checks the state of the proximity sensor
• High repeated positioning accuracy
• High switching frequency
• Wide voltage range
• Antivibration, dust, water and oil prevention
• Reverse power protection, short circuit protection, directly connecting with PLC
• It can replace small switches and limit switches
MP3 FN-M22P Audio Player Sound Module
- Supports MP3 and WAV decoding.
- Sampling rates supported: 8/11.025/12/16/22.05/24/32/44.1/48(kHz).
- 24-bit DAC output
- Supports dynamic range 90dB and SNR 85dB.
- Supports multiple key control mode, parallel control mode, and UART serial port control modes.
- Possible to update audio files in the SD card via USB connecting with a PC.
- Supports playback of 63 audio files through binary encoding in parallel mode.
- Supports inter-cut advertisements.
- 30 levels adjustable volume.
- Built-in 3W amplifier that can directly drive a 3W/8Ohm speaker.
- Support maximum 3000 audio files under the root directory of the storage device
- Support maximum of 99 folders, each folder can store 255 audio files
- Supports multiple playback files without any pause
- Supports advertisement inter-cut function during playing a sound in serial mode.
- Power input range: DC 3.3-5V (5V is typical)
- Dimension: 40x40mm
USB Control Module 1 Channel 5V Relay Module (No Need Driver)
- Contact type: NC / COM / NO
- Input current: ≥300mA
- Input voltage: DC 5V
- Support Win7, XP 32-bit systems
- Onboard square USB interface, stable connection.
- Use an imported high-performance USB control chip.
- Application code: Green indicates that the relay is closed, the red disconnect
- Military-grade PCB board production
- Using genuine Single relay, the module uses HID technology, without any driver on the windows system plug and play, easy to use and simple
- Military-grade PCB board production
- Board power outlets and terminals, two kinds of access to power is flexible. After connecting the power, even if the computer is off or unplug the USB from the computer, the relay can also remain set.
ESP32MOD ESP-WROOM-32 Universal Wi-Fi-BT-BLE MCU Module
- Wi-Fi Protocols: 802.11 b/g/n
- Wi-Fi+BT+BLE MCU Module
- Bluetooth v4.2 BR/EDR and BLE specification
- Wi-Fi mode Station/softAP/SoftAP+station/P2P
- Security WPA/WPA2/WPA2-Enterprise/WPS
- Encryption AES/RSA/ECC/SHA
- Operating voltage: 2.2-3.6V
- Consumption: 80 mA Typ
- On-Chip Hall Sensor
- Integrated Crystal of 40 MHz
- Integrated SPI Flash of 4 MB
- Recommended Voltage: 3.3V
- Operating Current: Average 80 mA
- ESP32-WROOM-32 contains two low-power Xtensa 32-bit LX6 microprocessors
- 448 KBytes ROM for booting and core functions
- 520 KBytes on-chip SRAM
- 8 KBytes SRAM in RTC SLOW
- 8 KBytes SRAM in RTC FAST
- Dimensions: 18 mm* 25.5 * 2.8 mm
ENC28J60 ETHERNET MODULE
- ENC28J6 Ethernet chips, SOP28 package
- Operating voltage: 3.1V to 3.6V (3.3 V typical)
- Operating temperature: -40 degree to +85 degree Celsius
- IEEE 802.3 compatible Ethernet controller
- Buffer size: 8Kb
- Supports full and half-duplex mode
- SPI interface with a clock speeds up to 20MHz
- Programmable automatic rejection of erroneous packets
- Programmable automatic retransmit on a collision
- Programmable padding and CRC generation
- 25 MHz crystal oscillator
- Clock out the pin with a programmable presale
- Ethernet LAN module for Arduino/AVR/LPC/STM3
- 5V tolerant inputs
- SPI interface
- Led power indicator
- Dimension: 58*34*17mm