

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-1202
3-axis magnetic electronic compass. Precise heading information. Operating Voltage: 3 -5 V DC. Driver Chip: HMC5883L / QMC5883L Communication: I2C protocol. Measuring range: ± 1.3-8 Gauss.Library: https://github.com/keepworking/Mecha_QMC5883Lhttps://www.arduino.cc/reference/en/libraries/qmc5883lcompass/
Reference: RBD-1848
Compact Design Country Specific pressure Multiple Displayable Unit Multi-colored, two-part display Alphanumeric display
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-2100
Comparator chip LM393 makes module readings stable. Operating voltage 3.3V-5V. Fast Response Time Sensitivity adjustable Detects a flame or a light source of a wavelength in the range of 760nm-1100 nm. Detection range: up to 100 cm. Adjustable detection range. Detection angle about 60 degrees, it is sensitive to the flame spectrum.
Reference: RBD-1847
Compact Design Country Specific pressure Multiple Displayable Unit Multi-colored, two-part display Alphanumeric display Discontinued by Manufactured 2017
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-2148
Non-contact detection Suitable for liquids of various densities and forms Easy installation for all kinds of detection occasions Compatible with containers of various materials and thicknesses Reliable performance with anti-interference ability
Reference: RBD-1935
Water-level sensor indicates the level of water in an overhead tank Gold coated Long life time Simple working procedure
Reference: RBD-0554
VL53L0X 3-in-1 ranging and gesture detection sensor Regulator: 5 to 2.8V range input voltage (output voltage: 2.8V) VL53L0X signal interface level shifter Serial Port PWM Output True distance measurement independent of target size and reflectance Breakout board, easy to integrate into the customer device Allows basic gesture recognition use case. RoboticsBD
Reference: RBD-0424
SI7021 SHT21 HTV21 Wide operating voltage (1.9 to 3.6 V) – 3.3 V Recommended Precision Relative Humidity Sensor ± 3% RH (max), 0–80% RH High Accuracy Temperature Sensor ±0.4 °C (max), –10 to 85 °C Interchangeable - No recalibration required. RoboticsBD I2C Interface
Reference: RBD-1856
Dual channel stereo, high output power (3 w + 3 w power @ 5V and 4 ohms load).. Double panel wiring solves crosstalk. Super mini design allows it to be easily placed in a variety of digital products. 3W Output at 10% THD with a 4ΩLoad and 5V Power Supply. Filterless, Low Quiescent Current and Low EMI and Low Noise. Short Circuit Protection and Thermal...
Reference: RBD-2152
Human Presence Radar LD2410 Respiration and Heartbeat Monitoring Non-contact Induction Sensor High-sensitivity 24GHz sensing module
Reference: RBD-0672
Power requirements: 5 VDC @ ~165 mA (heater on) / ~60 mA (heater off). Current Consumption: 150mA. RoboticsBD DO output: 0.1 and 5V. AO output: 0.1- 0.3 V (relative to pollution), the maximum concentration of a voltage of about 4V Detecting Concentration: 0.05-10mg/L Alcohol.
Reference: RBD-0393
Dimensions: 40 x 27 x 15 (LxWxH) mm. RoboticsBD Weight: 10gm (without Hat). 2.54mm pin interface leads. Operating Voltage: 5V. Long service life and stable performance. Standard interface and electronic building blocks. Widely use in Arduino DIY projects. RoboticsBD
Reference: RBD-1728
IR Digital 38khz Infrared Receiver Sensor Module
Reference: RBD-0622
Transmission signal processing control chip RCWL-9196 Wide operating voltage range 4.0V to 28.0V Penetrating detection capability, compared with the traditional infrared feeling PIR Adjustable Block time and distance Operating Current: 2.8mA (typical); 3mA (max) Detection Distance: 5-9m Transmitting Power: 20mW (typical); 30mW (max) RoboticsBD
Reference: RBD-1974
Brand: DFRobot
One-click learn Machine Learning Enabled Onboard Screen Extreme Performance
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-1206
Scanning Range: 18M Radius Detection Range: 12M Radius 4cm Ultra-thin Ideal for all kinds of service robot. 8000 times sample rate, the highest in the current economical LIDAR industry 360-degree laser range scanning Low Noise, Brushless Motor New Non-contact Drive OPTMAG Original Design, prolong the life-span Class 1 Laser Safety Standard High-speed...
Reference: RBD-2078
No direction, any angle can trigger the work. Sensitivity switches can be selected for the trigger sensitivity according to circuit requirements. This switch is suitable for the trigger of the small current circuit. Component Type: SW-18015P Maximum voltage: 12V Rated Heating Current: 20mA
Reference: RBD-0411
Low current consumption (typical 30 mA) CW or pulse operation Flat profile Long detection range (20 m) Supply voltage: 4.75V to 5.25V X-Band Frequency: 10.525 GHz Minimum Power Output: 13 dBm EIRP. RoboticsBD
Reference: RBD-2144
Automatic induction: to enter the sensing range Ultra-small size. Repeatable trigger Wide operating voltage range Micropower: quiescent current <50 Output high signal: easy docking and all kinds of circuits.
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-0354
Approximates Human eye Response Extremely wide dynamic range 1 to 600,000,000 Counts Lux Range: 188u Lux sensitivity, up to 88,000 Lux input measurements Voltage range: 3.3-5V into the onboard regulator This board/chip uses I2C 7-bit addresses 0x29 and 0x28. RoboticsBD
Reference: RBD-0389
Adopt imported controller PL2303HX, which can stabilize the flash with high speed 500mA self-recovery fuse for protection Two data transmission indicator can monitor data transfer status in real time Reserve 3.3V and 5V pin interface, easy for the DDWRT of different voltage system that needs power The entire board is coated by the high quality transparent...
Reference: RBD-2085
Operating Voltage : 1.5 ~ 15V DC Working Current: Less than 25mA Tone Generation Range : 1.5 ~ 2.5kHz Dimensions (LxWxH): 26 x 15 x 11 mm
Reference: RBD-2096
Operating Voltage: 3-5.5V Supply Current: ≥ 20mA Optimal Sensing Distance: 3mm Working voltage of 5V, the output of the black line low, white line of high output Uses Infrared Light to Detect Anti-Interference Ability Sensors to adopt TCRT5000 High Sensitivity, Stable Performance Exquisite workmanship, with the indicator Has a fixed bolt hole for easy...
Reference: RBD-2099
Main chip: LM393 Working voltage: for DC 5V Single-channel signal output Low-level output signal used for human body touch sensor alarm Adjustable sensitivity Pin Connector to board: 4 Pins
Reference: RBD-1175
Low-noise analog signal path Device bandwidth is set via the new FILTER pin 5 µs output rise time in response to step input current Small footprint, low-profile SOIC8 package 2.1 kVRMS minimum isolation voltage from pins 1-4 to pins 5-8 Supply Voltage: 4.5V~5.5V DC Measure Current Range: 20A Sensitivity: 100mV/A
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