1×4 Key Matrix Switch Keypad
- Key Type: 4×1;
- Voltage: DC 12 Volt
- Mount Style: Self-Adherence
- Circuit Rating: 35 VDC, 100 mA.
- Contact Bounce : <=5ms
- Life Expectancy: 1 million closures
- Operation Temperature : -20 to +40 °C
- 5 pins 2.54mm pitch connector, 4×1 type 4 keys.
- Force: 250-350g
- Contact Bounce: Greater than 1s
- Cable Length: 52mm
- Ultra-thin design & adhesive backing provides easy integration to any project
- Excellent price-performance ratio
- Easy communication with any microcontroller
- Used widely in industrial and home electronic equipment's, instruments, etc.
1 x 5 Keypad Switch
Voltage Divider Module for boards compatible with Arduino
- Working Voltage: 5.0 V DC
- Measurement Accuracy: <=1%
- Input Range: 25V max
- Resistor Tolerance: 0.5%
- Temperature Coefficient: 50PPM/°C
- Ratio: 0.18 ( ADC reference voltage / 0.18)
- External voltage and grove interface
- Eliminates the need to connect resistance to the input interface
- Adjustable gain
- Easy to use
Adapter Breakout PCB for ESP 32F ESP32 ESP-WROOM-32 Wireless Bluetooth Module
IR-08H Infrared Obstacle Avoidance Sensor Module
- Infra-Red IR Emission Receiver IR-08H for Arduino
- Onboard with HS0038B HS38B IR receiver
- Operating Voltage: 3V – 5.5V
- Detection range : 2cm – 40cm
- Output level: Low logic level when an obstacle is detected
- Working current: 20mAh
- Working temperature: -10’C~+50’C
- IO interface: 4 line (-/+/S/EN)
- Output signal: TTL Level
- Adjusting mode: Multi resistance regulation
- Effective angle: 35°
- Size: 4.5 * 1.1cm(approx)
- Easy to assemble and use
- On-board detection indication
- Pin Connection to the board: 4 pins
- A pre-set knob to fine-tune distance range
Double speed measuring module encoder photoelectric pulse output module
- Color: Green + black
- Material: FR4
- Working Voltage: 4.5~5.5V
- Launch Tube Pressure drop: V f=1.6V
- Launch Tube Current: I f<20mA
- Signal Output: A, B two lines
- TT Power Level
- Resolution: 0.01mm
- Measurement Frequency: 100 kHz
- D Type Holes Encoder Diameter: 24mm
- Encoder Resolution: 20 lines
- Speed measuring Sensor configuration: measure line 1 motor speed
ESP8266 Serial Wifi module Adapter Plate
433MH RF Module Green
- Wide input supply (2.5 V to 12V)
- Easy to integrate (V+, GND, and Data)
- The device is in deep sleep mode when the Data pin is grounded
- Very small dimension
Receiver Module specification
- Operation voltage: DC5V
- Static Current: 4MA
- Receiver frequency: 433.92MHZ; 315 Mhz
- Sensitivity：－105DB
- Dimension：30*14*9mm
- External Antenna：32CM signal wire, spiral
Transmitter Module Specification
- Operating voltage: 3-12V
- Operating frequency: 433.92MHz; 315Mhz
- Standby current: 0mA
- Operating current :20-28mA
- Transmission distance:> 500m (open to receiving plate sensitivity at-103dBm distance of more than)
- Output Power: 16dBm (40mW)
- Transfer rate: <10Kbps
- Modulation mode: OOK (Amplitude Modulation)
- Operating Temperature: -10 ℃ ~ +70 ℃
- Size: 19 × 19 × 8mm
HC-SR505 Mini Infrared PIR Motion Sensor Infrared Detector Module
- Model: HC-SR505
- Operating Voltage Range: DC4.5-20V
- Average Current Consumption (mA): 0.06
- Distance Measuring Range: 3 meters
- Delay time: Default 8S + -30% (can be customized)
- Working Temperature Range: -20°C ~ 80°C
- Sensor Lens Diameter: 10mm
- Induction angle: <100-degree cone angle
- Low-power consumption
- Output level: High 3.3V / Low 0V
- Trigger: repeatable trigger (default)
- Automatic induction: to enter the sensing range of the output is high, people leave the sensor range automatically delay off high, output low
- Dimensions: 10 x 23 x 5mm
- Weight: 10gm
IRF520 MOSFET DRIVER MODULE SENSOR
- Operating Voltage: 3.3v & 5v
- Digital level port
- Output load voltage: 0-24v
- Output load current: <5A
- The heat sink is added for currently more than 1A
- Compatible with Arduino, MCU, ARM, Raspberry pi
- PWM dimming LED used to step-less dimming, variable-speed motor
- Output PWM can be adjusted by the original IFR520 MOS
- Arduino can drive up to 24V, such as led lights, dc motors, miniature pumps, solenoid valves etc.
- Dimension:34*30*18mm
- Size: 10gm
DS1307 RTC MODULE
- DS1307 I2C real-time clock chip (RTC)
- Available in 8-pin DIP or SOIC
- Accessed via I2C protocol
- AT24C32 32K I2C EEPROM memory
- Bidirectional I2C interface.
- Hour:Minutes: Seconds AM/PM.
- Day Month, Date - Year.
- DS1307 based RTC with LIR2032 battery.
- 1Hz output pin.
- 56-byte non-volatile RAM for data storage
- 56 Bytes of Non-volatile memory for user
- The DS1307 is accessed via the I2C protocol.
- Consumes less than 500nA in battery backup mode with oscillator running
- Dimension: 27mm * 28mm * 8.4mm