DC-DC Booster Module 3v-20000v
- Input voltage: DC 3V Input Current: 1.5A
- Output voltage: DC20KV
- Output current: 0.05AÂ
- Input Line Length: approx. 110 mm (red is positive)Â
- Output cable length: approx. 110mm
- High voltage bipolar discharge distance: 5mmÂ
- type: pulse currentÂ
- Structure: and low voltage integrated
- Material: metalÂ
- Color: black and black
- High-Quality Silicone Wires at Input and Output
- Small in Size
- Easy to Use
- Size: 19 x 20 x 18 mmÂ
GPS Ublox Neo 6M TTL
- Supply voltage: 3.3 V
- 5Hz position update rate
- Operating temperature range: -40 TO 85°C
- UART TTL socket
- EEPROM to save configuration settings
- Rechargeable battery for Backup
- The cold start time of 38 s and Hot start time of 1 s
- Configurable from 4800 Baud to 115200 Baud rates. (default 9600)
- -162 dBm tracking sensitivity
- Support SBAS (WAAS, EGNOS, MSAS, GAGAN)
- Separated 18X18mm GPS antenna
RFID EM18 125KHz RS232 Output
- Operating Voltage: 5V DC Supply
- Reading Distance: 6-10 cm.
- Read frequency: 125 kHz.
- EM4001 64 – bit RFID tag compatible.
- 9600bps ASCII output.
- Current : <50 mA
- Operating Frequency: 125 Khz
- This RFID Reader Module 125Khz is easy to use
- It is Low Cost
- It gives RS-232 and TTL Output
- Need a very less external component to drive
- TTL Level Compatible (Directly connected to the microcontroller)
- Small Buzzer & LED available to know about the card presence
- High-Quality PCB material & Original component only
- Dimension:32* 32* 8mm
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
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
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.
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.
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.