4×4 Keypad Board Matrix Keyboard 16 Key Buttons For Arduino
- 4×4 Matrix Keyboard Module with 16 buttons
- Small in size and hence Save space
- More convenient to use
- Expanded development application modules for single chip
- With 16 keys and an 8 pin
- The maximum voltage across each button: 24v
- The maximum current across each button: 3mA
- Easy communication with any microcontroller
- Ultra-thin design
- Adhesive backing provides easy integration
- High price-performance ratio
- Allows microcontroller to scan 8 output pins to check which 16 button
- Long life
- Maximum operating temperature: 0 degrees to 50 degrees Celsius
- Dimension: 70*77*1mm
- Weight: 7.5gm
Arduino Uno/Mega Usb Cable (USB A To B)
- USB Type: Type-A to Type-B
- Length: 1 meter
- Gold Plated Connector
- Fully compatible with the PC.
- Molded strain relief and PVC over-molding to ensure a lifetime of error-free data transmissions
- Fully compatible with the PC.
- Moulded strain relief and PVC over molding to ensure a lifetime of error-free data transmissions.
- Aluminium under mould shield helps meet FCC requirements on KMI/RFI interference.
- Foil and braid shield complies with fully rated cable specifications reducing EMI/FRI interference
- Weight: 80 gm.
TTP223 1way
- Power supply for 2 ~ 5.5V DC
- Output high VOH: 0.8VCC V
- Output low VOL: 0.3VCC V
- Response time (touch mode) : 60 mS
- Output Pin Sink Current (@ VCC = 3V, VOL = 0.6V) : 8 mA
- Output pin pull-up current (@ VCC = 3V, VOH = 2.4V) : 4 mA
- Response time (low power mode) : 220 mS
- Low power consumption
- Can replace the traditional touch of a button
- Four M2 screws positioning holes for easy installation
- Size : 24 x 24 x 7.2 mm
Red TTP223 Touch button Module
- Input Voltage: 2 Volt - 5.5 Volts DC.
- Current Consumption: < 7 µA
- Low Power Mode and Fast Mode
- Start-up Calibration Delay: 0.5 Sec
- Simple, easy to use, with Auto Calibration
- Output mode is set by Jumper
- The response time max is ~ 60mS in fast mode, ~220mS at low power mode @VDD=3V.
- Sensitivity can adjust by the capacitance (0~50pF).
- Supports momentary or latching/toggle modes.
- Have two kinds of sampling length by pad option (SLRFTB pin)
- Provides Fast mode and Low Power mode selection by pad option (LPMB pin).
- Provides direct mode toggle mode by pad option (TOG pin).
- All output modes can be selected as active high or active low by pad option (AHLB pin).
- Have the maximum on-time 100sec by pad option (MOTB pin).
- Have external power-on reset pin (RST pin).
- Auto-calibration &Re-calibration period is about 4.0 sec when the key has not to be touched.
- Dimensions: 15mm x 11mm.
ACTIVE BUZZER ALARM
- Operating voltage: 3.3V to 5V
- The Transistor driver module uses S8550/9012
- Wire length: 20.5cm
- Easy installation by the fixed bolt hole
- 3 pin TTL cable
- An active buzzer with a concussion internal source is called to be energized
- The program easy to control-SCM high low sound
- When input I/O input is low level, the buzzer sounds
- 28*13.29*11.5mm
Heatsink for Raspberry pi 4
- Reduces the risk of hardware failure due to overheating
- Low profile, will fit into most cases.
- Simple, Passive cooling. No need for noisy fans.
- Perfectly sized for the RPi’s CPU
- Self-adhesive thermal layer for easy application
- The thermal resistance of 27°C/W
- Dimensions(LxWxH) mm:
- Material: Aluminium
- Colour: Silver
- Weight: 3g for a set of 3 Heat Sink
PIR Sensor
- 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
- Colour: White + Green OR White + Blue
- Infrared Sensor with Control Circuit Board
- The Sensitivity and Holding Time Can be Adjusted
- Voltage Output: High/Low level Signal: 3.3V TTL output
- Delay Time: 5 to 200s (Can be Adjusted, Default 5s +/- 3%)
- Blockade time: 2.5s (Default)
- Sensitive Setting: Turn to Right, Distance Increases (About 7M); Turn to Left, Distance Reduce (About 3M)
- Time Setting: Turn to Right, Time Increases (About 200S); Turn to Left, Time Reduce (About 5S).
- Dimension: 3.2cm x 2.4cm x 1.8cm
Ultrasonic Module HC-SR-04
- Sensor Type: Ultrasonic
- Output: Digital Sensor
- Voltage: 5VDC
- Operating Current: 15mA
- Measure Angle: 15°
- Ranging Distance: 2cm - 4m
- Static current: < 2mA
- Level output: high-5V
- Output Signal:5V
- High Precision: Up to 2 mm
- Input Trigger Signal: 10µs TTL impulse
- Echo Signal: Output TTL PWL Signal
- High sensitivity ultrasonic range sensor
- Works with Arduino board
1 CHANNEL 5V RELAY
- 1 channel relay board
- Operating voltage: 5V
- Maximum current: 2 A
- Relay contact current capacity of 10A @250 V AC/10A@ 30V AC
- configured as SINGLE POLE DOUBLE THROW( SPDT)
- LED status indicates relay ON/OFF state.
- Standard TTL level logic controlled
- One normally closed and one normally opened contact
- Compatible with any 5V microcontroller
- Dimension: 43*17*17mm
- Weight: 150gm
1 CHANNEL 12V RELAY
- 1-Channel relay interface board
- Operating voltage: 12V DC
- Provide high current relay of 15A
- For quick and easy connection high-quality screw terminals provided
- Can control both AC & DC appliances
- LED status indicates relay ON/OFF state.
- High current relay of 10A @250 V AC/10A@ 30V DC
- Standard interface that can be controlled by a microcontroller (Arduino, 8051, PIC, AVR, DSP, ARM)
- For easy accessibility input signal pin connected to burg sticks
- Dimension: 43*17*17mm
- Weight: 150gm
AMS1117 3.3V POWER SUPPLY MODULE
• Input: DC 4.5V – 12V (input voltage must be more than the output voltage (more than 1V))
• Output: 3.3V, 800mA (load current cannot exceed 800mA)
• Onboard AMS1117 chip.
• Onboard power indicator to indicate power is turned on: Red LED.
• Output voltage interface, connection to facilitate the experimental.
• Specially designed two pin mounting holes, can be directly fixed on the whole expansion board for experiments.
• Small Compact Size, 4Pin Type, Breadboard Friendly.
• 2P single row pin input and output for easy connection
• Dual-panel design, the layout is nice
