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Mini Liquid Level Sensor is designed to be inserted vertically into wet environments to detect liquid level from 0 to 1.88” (48mm) or as an alarm. The 28090 sensor has a single analog output which may be directly connected to the Propeller Activity Board 4-channel A/D converter or easily interfaced with the MCP3002 A/D with a FLiP Multicore Microcontroller. The 28090 mini liquid level sensor is ideal for water level alarms for moisture-sensitive environments, water level indicator for fluid reservoirs, and stream-level indicator when used in a controlled reservoir (stream well).
The sensor is used for determining the liquid’s level in the vessel. It is powered with the voltage from 2.0 V to 5.0 V. The output is an analogue voltage that increases its value along with the depth of immersion of the probe which makes it compatible with most of the development kits, for example, Arduino. The device works in the range of up to 48 mm.Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
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| General Specification | |
| Detection depth | 48mm |
| Input Voltage (V) | 2.0V ~ 5.0V |
| Mounting Holes Diameter (mm) | 2.0mm |
| Output Analog | Waveshare Liquid Level Sensor |
| Fixing hole size | 2.0mm |
| Dimensional Accuracy (mm) | 19.0mm * 63.0mm |
| Shipment Weight | 0.005 kg |
| Shipment Dimensions | 8 × 7 × 1 cm |
Please allow 5% measuring deviation due to manual measurement.
1 x Waveshare Liquid Level Sensor
The latest price of Liquid Level Sensor for Arduino (WaveShare) in Bangladesh is BDT 499 You can buy the Liquid Level Sensor for Arduino (WaveShare) at best price from our RoboticsBD or visit RoboticsBD Office.
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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. |
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Product Images are shown for illustrative purposes only and may differ from the actual product. |
Reference: RBD-0094
Arduino UNO in Bangladesh Micro-controller : ATmega328. Operating Voltage : 5V. Input Voltage (recommended) : 7-12V. Digital I/O Pins : 14 (of which 6 provide PWM output). Analog Input Pins : 6.
Reference: RBD-0340
Brand: Waveshare
Size: 5″ Resolution: 800×480 Display Port: HDMI Resistive touch control. Support backlight control, more power saving. RoboticsBD
Reference: RBD-0408
Low Level Trigger Relay Module. RoboticsBD Two separate LEDs for On/Off indication of the Relay. Triggering input voltage 3.3V – 5V Two separate LEDs for On/Off indication of the Relay Triggering input voltage 3.3V – 5V 4) Back EMF protection Back EMF protection 2 LEDs to indicate when relays are ON. Works with logic level signals from 3.3V or 5V devices...
Reference: RBD-0409
No. of Channel: 4 Trigger Voltage: 5VDC Triode drive, increasing relay coil High impedance controller pin Pull-down circuit for the avoidance of malfunction Power supply indicator and Control indicator lamp Power supply and relay instructions, lit, the disconnect is off; The input signal, signal, common Terminal and start conducting; RoboticsBD Note:...
Reference: RBD-0494
Input Voltage (V): 100 ~ 280 VAC @50 ~ 60Hz. Input current (mA): 100. Output Power: 12V 2A. Input Plug: 2-Pin USA type. Output Plug: 5.5mm DC plug. RoboticsBD Model: STD-120200
Reference: RBD-702
It has a relay status indicator led Power LED(Green), 8 relay status indicator LED(Red) Relay control interface by single-chip IO. Low-level suction close, high-level release. Easy to use, simple 3 line structure. Note: Relay might be different from the picture as per stock
Reference: RBD-0913
High-Quality Pump Operating Voltage 12VDC Air pump rate: 4 LPM Current Consumption: 300mA Low Noise Operation Durable and Longer Lasting
Reference: RBD-0949
Operating Voltage : 2.5 ~ 6V Operating Current : 130 ~ 220mA Flow Rate : 80 ~ 120 L/H Maximum Lift : 40 ~ 110 mm Outlet Outside Diameter: 7.5 mm Outlet Inside Diameter: 5 mm
Reference: RBD-1257
Simple Plug and Play operation. USB input Plug It Can operate on any 5V DC power supply like Power bank 1 Meter cable with DC jack provides the convenience to connect and disconnect project easily
Reference: RBD-0163
Product Type: Humidity Module Sensor Working voltage range DC 5.0±0.2V Output voltage range (corresponding to 0-100%RH) DC 1-3.19V Test accuracy 5% RH
Reference: RBD-2248
Model: LDT0-028K Solder tab connection Withstands high impact
Reference: RBD-1066
Operating voltage: 5V DC. Detector distance: 1CM. Adjust the potentiometer, let the modules work normally. Small and easy to use module. It comes with a Buzzer for metal detection indication.
Reference: RBD-0569
Acceleration, Gyroscope, and Magnetometer Power Supply: DC3.3V-5V Chip: MPU9250 Size: 22 mm x 17 mm. Gyro range : ± 250 500 1000 2000 ° / s Acceleration range: ± 2 ± 4 ± 8 ± 16g Magnetic field range: ± 4800uT 9 DOF modules
Reference: RBD-0813
Operating Voltage: 5VDC. Current: 30mA (MAX). Operating temperature: -30 ° C to 80 ° C. Compatible with Arduino, Raspberry Pi, AVR, PIC, etc. Measuring Range: 0 ~ 1000 NTU.
Reference: RBD-2094
The module can detect the surrounding environment of the humidity and temperature High reliability and excellent long-term stability The output from the digital output Humidity measuring range: 20%~90%RH(0~50 degree (temperature compensation). Temperature measuring range: 0~+50degree. Humidity measurement accuracy: ±5.0%RH. Temperature measurement...
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-0222
Sound pressure level: 85DB 10cmThe input voltage: 30vp-p maxUltra-thin and lightweightLow power consumption for voltage typeOperating Temperature: -20~70Storage Temperature: -30-80Clear sound
Reference: RBD-2229
Piezoelectric Sensor, Two Optional Output: ADO-Analog Signal/DO-TTL Level Ceramic Vibration Sensor Module, DC 5V Sensitivity Adjustable Vibration Induction Switch Module for Arduino DIY
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-0700
Operating Voltage: 3.3V-5.5V Low Power Consumption High Accuracy Small Size
Reference: RBD-1913
Onboard LDO Voltage regulator Can be interfaced with 3V3 or 5V Microcontroller. Tap/Double Tap Detection Free-Fall Detection Analog output Build in ultra low noise linear LDO voltage regulator Built-in onboard filters, which reduce noise from the motor and other high current electronics Power LED
Reference: RBD-0023
Wide Working Voltage Range: DC 4.5V- 20V Current Drain: <60uA Detection Angle: <140° Detection Distance: 3 to 7m (can be adjusted) Blockade time: 2.5s (Default) Work temperature: -20-+80°C
Reference: RBD-0559
Power supply: DC 7-30 V Input Voltage: 0-10V Output current: 4-20mA 0-5V to 4-20mA Linear Conversion
Reference: RBD-0493
Temperature Range : 0C-400C Shield Material : Metal Total Length(Approx.) : 2M / 6.6 Ft; Weight : 46g;
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-2149
Capacity (Kg): 50. Output Sensitivity (mv/v): 1.0±0.1. Nonlinearity (%FS): 0.03. Repeatability (%FS): 0.03. Input Resistance (Ω): 1000. Insulation Resistance (MΩ): ≥5000.
Reference: RBD-0368
Thickness: 0.4mm Trigger Force: 20g, triggered (default resistance<200kΩ) Pressure Measuring Range: 20g~6kg Static Pressure & Dynamic Pressure Measurement (within the frequency of 10Hz) Initial Resistance: >10MΩ Activation Time: <0.01S Operating Temperature: -40°C~+85°C Lifespan: >1million times Hysteresis: +10%，(RF+ -RF-)/FR+，1000g...
Reference: RBD-1847
Compact Design Country Specific pressure Multiple Displayable Unit Multi-colored, two-part display Alphanumeric display Discontinued by Manufactured 2017
Reference: RBD-0685
Detection distance: 2 ~ 30cm Detection angle: 35 ° Comparator chip: LM393 3mm screw holes for easy mounting
Reference: RBD-2146
Operating voltage:3.3V/5V Sensitivity: Adjustable via a potentiometer Input Signal: Resistance, NOT Conductivity Output Signal: Voltage, analog reading Finger contact material: Nickel
Reference: RBD-0686
Supply voltage 5-30VDC Detection distance 10mm (effective detection distance 0-10mm) Load current 150MA (no more than) Output form NPN three lines
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-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-2170
Visualize magnetic fields with this large, micro-encapsulated film known as field paper. This material allows the user to see the magnetic field produced by any magnet.
Reference: RBD-1914
Working voltage 3.3V-5 Output format: digital switching output (0 and 1)A fixed bolt holes for easy installation
Reference: RBD-0674
Model: MQ-5 Operating Voltage: 5V DC Operating Temparature:-20~40 degree celcius
Reference: RBD-1111
Technical parameters diameter:Φ10±0.5mm Total length: 90±2mm Starting voltage: < 350V Recommended operating voltage: 380V Minimum plateau length: 80V Maximum plateau slope: 10%/80V Extreme operating voltage: 550V The maximum count rate: 25 times / min Life: > 1 x 10^9 pulse Medium temperature: -40 ~ 55 ℃ Size:108x63x20mm
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-0315
Working voltage: DC 5 V Static current: 3 mA Working temperature: 0 ~ + 70° Output way: GPIO Induction Angle: Less than 15° Detection range:2 cm to 400 cm Detecting precision: 0.3 cm + 1% Sensor size: Approx. 45 x 20 x 1.6mm Hole diameter: Approx. 1mm. RoboticsBD
Reference: RBD-0314
Colour: Red, Green, Yellow, White, and Black, etc. Cable length: 40 cm. RoboticsBD Net weight: 50 gm. They are very useful for connecting components to wires. It is insulation covered clips connected to the wire from both ends. RoboticsBD *You will receive 1 pcs cable of random color.
Reference: RBD-0145
Dual output mode, analog output more accurate A fixed bolt hole for easy installation With power indicator (red) and digital switching output indicator (green) Having LM393 comparator chip, stable. Operating Voltage: 3.3V~5V
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-0217
Model: MG90S Weight: 13 gm Operating voltage: 4.8V~ 6.6V Servo Plug: JR Stall torque @4.8V : 1.8kg-cm Stall torque @6.6V : 2.2kg-cm Note: The component, colour & shape of the motor may vary depending on our stock rotation.
Reference: RBD-0663
Power supply voltage(VCC): 2.0, 3, 5.5 V. Output high VOH: 0.8VCC V Output low VOL: 0.3VCC V Response time (touch mode) : 60 mS Response time (low power mode) : 220 mS Can replace the traditional touch of a button Four M2 screws positioning holes for easy installation RoboticsBD
Reference: RBD-0671
Operating Voltage:+5V Preheat Duration:20 s Analog Output Voltage:0 to 5 V Dimension:36x20x21 mm. RoboticsBD
Reference: RBD-0693
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-0034
Weight: 55g Dimension: 40.7×19.7×42.9mm Stall torque: 9.4kg/cm (4.8v); 11kg/cm (6.0v) Operating speed: 0.19sec/60degree (4.8v); 0.15sec/60degree (6.0v) Operating voltage: 4.8 ~ 6.6V Gear Type: Metal gear Dead band width: 1us Wire length: 32cm
Reference: 0031
3 Types Available (Please select from option) 1. Male to Male 2. Male to Female 3. Female-Female
Reference: RBD-0145
Dual output mode, analog output more accurate A fixed bolt hole for easy installation With power indicator (red) and digital switching output indicator (green) Having LM393 comparator chip, stable. Operating Voltage: 3.3V~5V
Reference: RBD-0023
Wide Working Voltage Range: DC 4.5V- 20V Current Drain: <60uA Detection Angle: <140° Detection Distance: 3 to 7m (can be adjusted) Blockade time: 2.5s (Default) Work temperature: -20-+80°C
Reference: RBD-0671
Operating Voltage:+5V Preheat Duration:20 s Analog Output Voltage:0 to 5 V Dimension:36x20x21 mm. RoboticsBD
Reference: 0245
Choose your desire Resistor value from below:
Reference: RBD-0132
The TCRT5000 and TCRT5000L are reflective sensors which include an infrared emitter and phototransistor in a leaded package which blocks visible light. The package includes two mounting clips. TCRT5000L is the long lead version. Model TCRT5000 Color Black + blue Detecting range: 0.591″ (15mm); Detecting method: Reflective; Collector-Emitter: Voltage:...
Reference: RBD-0133
830 Solder-less Points Ideal for Experimenting With Circuit Design In Labs Compatible with resistance, diodes, transistors, LED’s, Capacitors and other types of electronic components Colored coordinates for easy components placement. Accept a variety of wire sizes 20-29 AWG
Reference: RBD-0022
Affordable Price Operating Voltage: 5 V Sonar Sensing Range: 2-400 cm Max. Sensing Range: 450 cm Frequency: 40 kHz RoboticsBD
Reference: RBD-0023
Wide Working Voltage Range: DC 4.5V- 20V Current Drain: <60uA Detection Angle: <140° Detection Distance: 3 to 7m (can be adjusted) Blockade time: 2.5s (Default) Work temperature: -20-+80°C
Reference: RBD-0041
Bases at CSR BC04 Bluetooth technology. with build-in 2.4GHz PCB antenna It’s at the Bluetooth class 2 power level. Range test: 10 meters Operating voltage: 3.3V to 6V DC Operating current in pairing is in the range of 30~40mA.
Reference: RBD-0104
Chip built-in 16bit AD converter, 16-bit data output Driver Chip: MPU6050 Operating Voltage: 3-5V DC Communication: I2C/IIC Protocol Gyro Range: ± 250, 500, 1000, 2000 °/s Accelerometer Range: ± 2 ± 4 ± 8 ± 16 g
Reference: RBD-0132
The TCRT5000 and TCRT5000L are reflective sensors which include an infrared emitter and phototransistor in a leaded package which blocks visible light. The package includes two mounting clips. TCRT5000L is the long lead version. Model TCRT5000 Color Black + blue Detecting range: 0.591″ (15mm); Detecting method: Reflective; Collector-Emitter: Voltage:...
Reference: RBD-0145
Dual output mode, analog output more accurate A fixed bolt hole for easy installation With power indicator (red) and digital switching output indicator (green) Having LM393 comparator chip, stable. Operating Voltage: 3.3V~5V
Reference: RBD-0147
Adjustable Sensitivity, External GND. Detect Ambient Humidity. Provided with Fixed Bolt Hole, Convenient to Install. Power Indicator Light & Digital Output Indication Lamp. Using LM393 Chip for Stable Work. DO Small Digital Outputs Interface (0 & 1).
Reference: RBD-0149
Output Channel: 1 Power Supply: 3.3/5V Built in a potentiometer for sensitivity control. Onboard signal output indication, output effective signal is high, at the same time the indicator light up, the output signal can directly connect to microcontroller IO. Detection angle about 60 degrees, the flame spectrum especially sensitive. The flame of the most...
