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Node MCU ESP8266 Serial Port Baseboard Expansion
In Stock
SKU:48169- The perfect solution for breaking out the pins from Lua V3 Nodemcu.
- Lead-out all the IO ports of the ESP-12E development board
- Lead out the pins of 5V and 3.3V power supply
- Convenient to connect with peripheral modules
- Onboard 5V / 1A DC-DC step-down converter circuit
- Onboard power indicator
- With DC power jack 6-24V.
LED Traffic Lights Signal Module Digital Signal Output Traffic Light Module for Project
In Stock
SKU:36481- Number of lights: 3
- Light color: red, yellow and green
- Active level: high level
- Operating voltage: 5V / 3.3V
- Operating current: When you use 5V high level output, the red light 13mA, yellow light 13mA, green light 25mA.
Water Level Depth Detection Sensor Module
In Stock
SKU:14682- Operating voltage: DC3-5V
- Operating current: less than 20mA
- Sensor Type: Analog
- Detection Area: 40mmx16mm
- Operating temperature: 10℃-30℃
- Humidity: 10% -90% non-condensing
Vibration Sensor Module SW 420
In Stock
SKU:82716- Using SW 420 normally closed type vibration sensor
- Comparator output, clean signal, good waveform, strong driving ability, >15mA
- Operating voltage 3.3V ~ 5V
- Output format: digital switching output (0 and 1)
- Using a wide voltage LM393 comparator
- With bolt holes for easy installation
Normally open vibration sensor module
Out of stock
SKU:63489- he working voltage of 3.3V-5V.
- Using the company’s high-sensitivity vibration switch, the default with SW-18015P vibration sensor.
- The comparator output, the signal clean, good waveform, driving ability, more than 15mA
- With a fixed bolt hole, easy to install.
- The use of wide voltage LM393 comparator.
LM35D Analog Temperature Sensor Module
In Stock
SKU:92765- Based on the semiconductor LM35 temperature sensor
- Can be used to detect ambient air temperature
- Calibrated directly in °Celsius (Centigrade)
- Linear + 10 mV/°C Scale Factor
- 0.5°C Ensure accuracy (at +25°C)
- Low power consumption, less than 60uA
- Low output impedance, 1mA current through only 0.1Ω
- With screw holes for easy installation and fixed. Aperture 2.6mm
IR Flame Sensor Infrared Receiver
In Stock
SKU:49836- 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 sensitive sensors flame, the regular light is also a response, generally used for fire alarm purposes.
DHT22 Temperature and Humidity Sensor Module AM2302
In Stock
SKU:61275- 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 accuracy: ±2.0degree.
DHT11 Temprature and Humidity Sensor Module
In Stock
SKU:75184- 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 accuracy: ±2.0degree.
PCB Mounted Passive Buzzer Module
In Stock
SKU:94027- Operating Voltage : 1.5 ~ 15V DC
- Working Current: Less than 25mA
- Material: Plastic
- Tone Generation Range : 1.5 ~ 2.5kHz
- Dimensions (LxWxH): 26 x 15 x 11 mm
- Colour: Black
- Weight: 3g
Soil Moisture Sensor Module
In Stock
SKU:70482- 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
Capacitive Soil Moisture Sensor
In Stock
SKU:41529- Operating Voltage: 3.3 ~ 5.5 VDC.
- Operating Current: 5mA.
- Interface: PH2.54-3P.
- Dimensions mm(LxWxH): 98 x 23 x 4.
- Supports 3-Pin Gravity Sensor interface
- Analog output.
- Weight (gm): 15.
Reed Switch Module Compatible with Arduino
In Stock
SKU:87403- Working voltage 3.3V-5
- Output format: digital switching output (0 and 1)A
- fixed bolt holes for easy installation
Photosensitive Light Dependent LDR Module LM393
In Stock
SKU:59614- LDR module 4 PIN
- Operating voltage 3.3V-5V
- Signal output indicator light.
- LDR module 4 PIN
- Able to detect ambient brightness and light intensity Adjustable sensitivity (via blue digital potentiometer adjustment)
TCRT 5000 Dual Channel Line Tracking Sensor Module
In Stock
SKU:32857- Operating Voltage: 3.5V-5V
- Supply Current: 15mA
- Optimal Sensing Distance: 3mm
- Designed with the reflected infrared sensor, indicator light.
- Built in a potentiometer for sensitivity control.
- On-board LM393 voltage comparator chip and infrared sensing probe TCRT5000L
- Signal detection sensitivity can adjust
- Reserve all the way more circuits (P3 voltage drawn)
PIR Motion Detector Sensor Module HC SR501
In Stock
SKU:54638- 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
- Jumper for trigger.
Recently Viewed Products
8 Channel 5V Relay Module with Optocoupler
In Stock
SKU:10594- Channel: 8 channel
- Relay Operating Voltage: 5V
- One normally closed contact and one normally open contact
- 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;
16 Channel 5V Relay Module with Optocoupler
In Stock
SKU:48316- 5V relay with AC contact capacity of 10A 250V and optocoupler protection.
- Onboard power supply module does not need an external power supply. I / O port driver is active low.
- The module can be used as a microcontroller development board module and also as appliance control, PLC extended output.
- It is using the industry’s top -quality isolation optocouplers, strong anti-jamming ability, stable performance.
- The 1-16 road can be any full on/off or any road.
- All interfaces can be directly connected through the terminal leads, very convenient.
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At TechnoSam, we specialize in providing high-quality electronics modules, development boards, and IoT components for makers, developers, educators, and enterprises. Whether you’re building a prototype or scaling to production, our curated inventory and expert support help you bring your ideas to life — reliably and affordably.
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