

This capacitive soil moisture sensor differs from most of the resistive sensors on the market, using capacitive sensing principle to detect soil moisture. It avoids the problem that the resistance sensor is easy to corrode and greatly prolongs its working life. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
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General Specification | |
Chipset | ESP WROOM 32 |
Input Voltage(V) | 3.7-4.2V |
Charging current(mA) | 500mA |
Sleep current(uA) | 220 uA |
Battery Required | 3.7V lithium battery |
Flash Memory | 4MB |
SRAM Memory | 520 KB |
Frequency range | 2.4~2.5GHz |
Transmit Power | 22dBm |
Communication distance(m) | 300 m |
On-board clock Frequency(MHz) | 40 MHz |
Temperature and humidity sensor | DHT11 |
Working Temperature Range | -40~85℃ |
Length (mm) | 195 |
Width (mm) | 30 |
Height (mm) | 25 |
Shipment Weight | 0.0365 kg |
Shipment Dimensions | 20 × 9 × 3 cm |
Please allow 5% measuring deviation due to manual measurement.
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1 x ESP32 DHT11 WIFI Bluetooth Temperature Humidity Soil Moisture Sensor Module for Arduino.
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The latest price of ESP32 DHT11 WIFI Bluetooth Temperature Humidity Soil Moisture Sensor Module for Arduino in Bangladesh is BDT 2,499 You can buy the ESP32 DHT11 WIFI Bluetooth Temperature Humidity Soil Moisture Sensor Module for Arduino at best price from our RoboticsBD or visit RoboticsBD Office.
Please note that the product information provided on our website may not be entirely accurate as it is collected from various sources on the web. While we strive to provide the most up-to-date information possible, we cannot guarantee its accuracy. We recommend that you always read the product labels, warnings, and directions before using any product. |
Product Images are shown for illustrative purposes only and may differ from the actual product. |
Reference: RBD-0948
Built-in Flash: 32Mbit Power supply: 5V WiFi protocol: IEEE 802.11 b/g/n Peripheral interface: UART/GPIO/ADC/DAC/SDIO/PWM/I2C/I2S Logic level: 3.3V A high-quality USB cable is essential for this board to ensure sufficient current supply; otherwise, your board may not be recognized by the Windows Device Manager. Please avoid using mobile phone cables and...
Reference: RBD-1407
Flash LED off: 180mA @ 5V. Flash LED on to maximum brightness: 310mA @ 5V. Deep-sleep: 6mA @ 5V min. Modem-sleep: 20mA @ 5V min. Light-sleep: 6.7mA @ 5V min. Programmer: ESP32-CAM-MB MICRO USB Download Module The ESP32 CAM does not come pre-assembled with the camera. You'll need to connect the camera ribbon cable to the board, a task which can be...
Reference: RBD-1412
Chipset :ESPRESSIF-ESP32 240MHz Xtensa® single-/dual-core 32-bit LX6 microprocessor FLASH: QSPI flash 4MB / PSRAM 8MB SRAM:520 kB SRAM Button: Reset USB to TTL: CP2104 Modular interface: UART,SPI,SDIO,I2C,PWM,TV PWM,I2S,IRGPIO On-board clock:40MHz crystal oscillator Working voltage:2.7V-3.6V Working current: About 70mA
Reference: RBD-1558
TTGO Meshtastic T-Beam V1.1 ESP32 915Mhz or 433Mhz (Ships Random) WiFi Bluetooth ESP32 GPS NEO-6M SMA 18650 Battery Holder OLED (915Mhz OLED)
Reference: RBD-1671
ESP32 Bluetooth Wi-Fi development board, support NodeMCU / Arduino DHT11 temperature and humidity sensor CP2104 communication chip USB TO TTL Micro USB port Soil probe (long) soil temperature and humidity detection module 18650 Lithium Battery Holder Powered (Battery is not included)
Reference: RBD-1765
LILYGO TTGO Model: 915MHZ CH9102F T3_V1.6.1 LoRa32 V2.1_1.6 Version 915Mhz ESP32 LoRa OLED 0.96 Inch SD Card Bluetooth WIFI Wireless Module ESP-32 SMA
Reference: RBD-1806
Based on ESP32 240MHz Xtensa dual-core 32-bit microprocessor Operating Voltage: 2.7V – 4.2V Working Current: 60mA Battery Charging Current: 500mA
Reference: RBD-1852
IPEX To SMA Female External Antenna Adapter SMA Male Antenna for 2.4G WIFI Module Only Antenna and Adapter RF Cable ESP32 Cam is not included
Reference: RBD-0523
Module Power: 5.00V Module Size : 43 x 32mm(1.69×1.26″) Measuring Range :0 – 14PH Measuring Temperature: 0 – 60 ℃ Accuracy : ± 0.1pH (25 ℃)
Reference: RBD-0667
Input Supply Voltage (VDC): 3.3 ~ 5. Supply Current (mA): measurement 0.3mA standby 60μA. Temperature measurement range: 0~50 degrees. Temperature measurement error: ±2 degrees. Humidity measurement range: 20%~95%RH. Humidity measurement error: ±5%RH. RoboticsBD
Reference: RBD-2102
RGB trichromatic limiting resistor to prevent burnout PWM adjusted color mixing
Reference: RBD-1198
Industrial Systems Consumer Products Thermometers Thermally Sensitive Systems
Reference: RBD-0958
Five Operating Modes Integrated MCU Onboard Processing Standard I2C Digital Interface Optimized Low-Power Modes Optional NTC Thermistor Pins
Reference: RBD-0288
Three selectable full scales (250/500/2000dps) Factor in all g-ranges, up to 13-bit resolution at ±16 g 12-Bit ADC Coupled with Low Noise ARM Sensors Achieves 5 milli-gauss Resolution in ±8 Gauss Fields Pressure range:300 to1100hPa (+9000m to -500m above sea level) I2C interfaces Power supply: 3-5v
Reference: RBD-0666
Crystal: the oscillation frequency of 455. Button: free height is less than 3mm, the force 200-350g, the life of more than 200 000. Photo-detector and preamplifier in one package. Internal filter for PCM frequency. RoboticsBD Improved shielding against EMI. Don’t forget to add CR2025 Battery to your Cart as this remote does not come with a battery
Reference: RBD-0396
Integrated with wire enclosed waterproof probe, suitable for wet, harsh measurement occasions Small size, easy to use Operating Voltage: 5 V Sonar Sensing Range: 25-450 cm Max. Sensing Range: 450 cm Frequency: 40 KHz. RoboticsBD
Reference: RBD-1934
Dual signal output (analog output and TTL level output) The TTL output effective signal is low. Analog output 0 ~ 5V voltage, the higher the concentration the higher the voltage. Good sensitivity to hydrogen sulfide, liquefied gas, natural gas, city gas, and smoke. with long service life and reliable stability fast response recovery characteristics
Reference: RBD-2224
Voltage – 250V Easy PCB mounting Good consistency Widely acclaimed
Reference: RBD-1677
Contact Rating: 10 W. Switching Voltage: 220 V. Switching Current: 0.5 A. Breakdown Voltage: 220 VDC. Carry Current: 1 A. Contact Resistance: 100 mΩ.
Reference: RBD-1645
Voltage operation: 2.7V-5V Measuring distance: 4 to 50 cm Output: Digital (I/C) / Analog Output Sensor: Infrared LED and CMOS image sensor
Reference: RBD-2092
Product Type: LED Shape: Round LED 5mm DIP type Color: pink yellow-green (high brightness) Lens type: white mist Standard Forward Voltage:3.0-4 .5 V
Reference: RBD-1836
Input Current : 0-30A Output Mode: 0-1V @ 30mA Frequency: 50HZ-150KHZ Opening Size: 13 x 13mm/ 0.5″ x 0.5″(L*W) Output Plug 3.5mm Dielectric Strength 6000V AC/1min Suitable for lighting equipment, AC motors, air compressors, monitoring, current measurement, and protection Meet UL94-V0 flame retardant properties
Reference: RBD-0151
Operating voltage 3.3V-12V A fixed bolt hole for easy installation Wide voltage LM393 comparator Maximum output current: 15mA Can work on low voltages
Reference: RBD-0675
Model: MQ-6 Operating Voltage: 5V DC Detecting Range:200-10000 ppm Relative Humidity:<95% RH
Reference: RBD-2098
Big Microphone Sound Sensor Module Sound Detection Sensor Module High Sensitive Voice Sensor
Reference: RBD-0291
Main chip: LM393, Electret condenser microphone Working voltage: DC 3.3-5V Induction distance is 0.5M Signal output Indication Single channel signal output The output effective signal is low level.
Reference: RBD-2141
Rating contract (Max.): 10 W Switching power supply (Max.): 110VDC Resistance contract (Max.): 100 Ω Appro. Float Ball Size (mm) : 24×17 (LxD) Body Total Length (mm) : 85 Cable Length (cm) : 37 Total Float opening: 70° Switch ON/OFF angle Approx. betn 15° to 20°
Reference: RBD-1672
Model Number: P06 Product Name: PIR Sensor Indoor Communication: greater than 20 Meters Detect Angle Side View: 128 degrees Detect Angle Down View: 128 degrees Detect distance: 10 Meters<
Reference: RBD-0688
Wide input supply (2.5 V to 12V) Easy to integrate (V+, GND, and Data) The device in deep sleep mode when Data pin is grounded Very small dimension.
Reference: RBD-0995
Diameter: 5mm No. of Pins: 2 Type of Mounting: PCB Through Hole Maximum Operating Temperature: +800°C (Approx.) Dark resistance:1-20 Mohm
Reference: RBD-1352
GRID-EYE® INFRARED ARRAY SENSOR Number of pixel 64 (Vertical 8 × Horizontal 8 Matrix) External interface I2C Frame Rate Typical 1fps or 10 fps Operating Mode Normal and Sleep mode
Reference: RBD-0419
Features: Built-in Red, IR, and Green LEDs 5V operation (3.3V is allowed, but green LED is not guaranteed to operate) Applications include presence detection, distance sensing (18" max), pulse oximetry, blood oxygen saturation level (SpO2), smoke and particle detection Documents: Schematic Eagle Files Hookup Guide Datasheet (MAX30105) MAX3010x Sensor...
Reference: RBD-0427
Working voltage: 3.3V-5V Output form: digital output (0 and 1)
Reference: RBD-1200
Very low supply current Photo-detector and preamplifier in one package Internal filter for PCM frequency Improved shielding against EMI Supply voltage: 2.5 V to 5.5 V Improved immunity against ambient light
Reference: RBD-2237
Sound pressure level: 85DB 10cm The input voltage: 30vp-p max Clear sound Ultra-thin and lightweight No contacts: therefore, no noise and highly reliable Operating Temperature: -20~70 Storage Temperature: -30-80
Reference: RBD-1854
This module is compatible with various microcontroller control boards, such as arduino series microcontrollers. The module contains 2 kinds of interfaces. The module comes with a 20cm wire, which is long enough for your use. It has a short response time and quick response.
Reference: RBD-1751
Detection Gas: H2, Alcohol, CO, VOC Detection Range: 10~500ppmH2 5~500ppm Alcohol 10~500ppm CO Air Quality Sensor Module
Reference: RBD-1578
Support serial AT command Support re-programmable, OTA firmware update Seamless transparent transmission between serial and WiFi Built-in HTTP Web Server, support configure parameters by web page