5 Channel Tracking Sensor Module Board Trace Module Infrared Detection
- 5 channel high sensitivity sensor
- Operating Voltage: 0V - 5.5V
- Detection distance: 0 - 4cm (black and white line sensors), 0 - 5cm (adjustable distance detection)
- High accuracy for tracking black lines.
- Special touch sensor design, making the robot design simple
- Integrated infrared sensor barrier unblinded and distance can be adjusted by sliding rheostat
- Digital output signal
- Indicator LEDs
MAX30102 Heart Rate Oxygen Pulse Breakout Sensor Module For Arduino
- Integrated LEDs, Photo Sensor, and High-Performance Analog Front -End
- Optical Heart-Rate Monitor and Pulse Oximetry Solution
- Measures absorbance of pulsing blood
- I2C interface plus INT pin
- Tiny 12.7mm x 12.7mm (0.5in x 0.5in) Board Size
- Highly integrated, small-size sensor
- Non-chest based heart-rate/SpO2 detection
- Ultra-Low-Power Operation Increases Battery Life for Wearable Devices
- Programmable Sample Rate and LED Current for Power Savings
- Ultra-Low Shutdown Current (0.7µA, typ)
- Advanced Functionality Improves Measurement Performance
- High SNR Provides Robust Motion Artifact Resilience
- Integrated Ambient Light Cancellation
- High Sample Rate Capability
- Fast Data Output Capability
4 Series 30A 18650 Lithium Battery Protection Board 14.8V 16V with Cable
- For the successful start of the drill, it requires three 15C-20C power battery, or six 10C-15C power batteries (ordinary 18650 cannot start the drill!!)
- Strictly according to map wiring 0V, 4.2V, 8.4V, 12.6V, 16.8V, do not deliberately short circuit.
- Overcharge protection,
- Over-discharge protection function, short circuit protection function,
- Overcurrent protection function, band balance.
ADS1115
FT232 to TTL
- Material: PCB + Electronic Component
- Support 3.3V, 5V
- Main Color: Red
- Chipset: FT232RL
- USB power has over current protection, using 500MA self-restore fuse
- RXD/TXD transceiver communication indicator
- Pin definition: DTR,RXD,TX,VCC,CTS,GND
- Pitch:2.54mm
- Module Size: About 36mm(length)*17.5mm(width)
- Interface : Mini USB
- Single-chip USB to asynchronous serial data transfer interface.
- Entire USB protocol handled on the chip. No USB specific firmware programming is required.
- Fully integrated 1024 bit EEPROM storing device descriptors and CBUS I/O configuration.
- Fully integrated USB termination resistors.
- Fully integrated clock generation with no external crystal required plus optional clock output selection enabling a glue-less interface to external MCU or FPGA.
- Data transfer rates from 300 baud to 3 M baud (RS422, RS485, and RS232) at TTL levels.
- 128 byte receive buffer and 256 bytes transmit buffer utilising buffer smoothing technology to allow for high data throughput.
MAX7219 led module 8 digit 7 segment display
- Power: 5V
- Colour: Red/Blue (This colour means the colour of the board, not the LED)
- Material: PCB + Electronic Components
- MAX7219 digital display control module
- This module is compatible with 5V and 3.3V microcontrollers.
- You can use it for Arduino
- Only three IO ports are used to drive the eight-digit display. MAX7219 supports flicker-free displays as well as cascading displays.
WeMos D1 Lithium Battery Charger Board with Mini USB
- Charging Voltage: max: 10V, recommend: 5V
- Charging Current: max: 1A
- Lithium Battery voltage: 3.3-4.2V
- Boost Power Supply: 5V(max: 1A)
- Can use  D1 mini without a USB cable, it's really wireless
- Can use D1 mini anywhere, using this battery shield and a lithium Battery.
- High reliability
- Charging, when the battery run out, you do not need to unplug the battery, just use the USB port to charge.
ISD1760 MODULE (75 sec)
- On-board ISD1760 chip
- Operating voltage: 5v
- 75 sec of audio playback
- Onboard microphone for direct recording
- Frequency: 6KHz or 8KHz
- Recording time: 6K/75 sec, 8K/60 sec
- Output all pin for chip control
- Easy interface with microcontrollers using 2.54mm spaced male pin headers
- High-quality natural voice reduction
- LED status indication
- Long recording time and multiple messages
- Simple operation and better voice quality
- Control not only by buttons but also by SPI from a microcontroller
- Recording, erase, play, FT, fast forward, reset volume buttons
- Dimension: 49*41.5mm
- Weight: 22gm
SI4432 WIRELESS MODULE
- Power supply: 1.8-3.6 V
- Maximum output power: 20dBm
- Data transfer rate:0.123-256kbps
- Frequency range: 433.92MHz
- Sensitivity up to 20dBm
- FSK, GFSK, and OOK modulation
- Ultra-low-consumption shutdown mode
- Digital received signal strength indication (RSSI)
- Waketime
- Automatic matching and two-way antenna switch control
- Configurable packet structure
- Preamble detection
- 64-byte send and receive data register (FIFO)
- Low power detection
- 8-bit ADC and temperature sensor
- Integrated voltage regulator
- Frequency hopping
- Operating Temperature:-20 degree +60 degrees Celsius
- Transmission Distance (Maximum):1000 meters
- Power-on reset function
- Built-in lens adjustment
- Dimension :19*19*1 mm
- Weight :0.9 g