Finger Print Sensor Module – R307
This is the R307 Optical Fingerprint Reader Sensor Module. R307 fingerprint module is a fingerprint sensor with a TTL UART interface for direct connections to microcontroller UART or to PC through MAX232 / USB-Serial adapter. The user can store the fingerprint data in the module and can configure it in 1:1 or 1: N mode for identifying the person. Perfect for use in various electronics projects in India, Finger Print Sensor Module - R307 ensures reliability and performance. Ideal for various electronics projects, Finger Print Sensor Module - R307 offers quality and performance.
Power Bank Module – Dual USB 5V 1A 2.1A 18650 Battery Charger Module with LCD Display
Specification:
- Micro USB input: 5 V 1A
- USB output: 5V 2.1A / 5V 1A (Dual USB interface)
- Charging screen: intelligent digital screen
- Type of batteries: liquid lithium ion batteries (18650)
- Product size: 57mm x 28mm
- Screen size: 27mm x 17mm
- Input Voltage: 3.7V
Installation instructions:
- The circuit board is connected to the negative battery B-, B is positive
- Check polarity, wrong wiring will burn the board.
- the battery is connected in parallel welding.
- There is insulation between the battery and the circuit board
- The battery can not touch the circuit board, may cause short circuit if it does.
5V 2 Channel Relay Module
Features
- The module using Songle relay control.
- AC voltage 250V, AC current 10A, maximum DC voltage 30V DC current maximum 10A.
- Power indicator (green), Two ways of relay status indicator light (red) Using 8550 transistor-driven, strong driving ability.
- Has the fixed bolt hole and easy installation.
USB to TTL Serial Converter Adapter
- Single chip USB to asynchronous serial data transfer interface.
- Entire USB protocol handled on the chip. No USB specific firmware programming 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 Mbaud (RS422, RS485, RS232) at TTL levels.
- 128 byte receive buffer and 256 byte transmit buffer utilising buffer smoothing technology to allow for high data throughput.
Ardu Nano Board ATmega328P (without solder)
INA219 I2C Zero Drift Bi-directional Power Monitoring Module
nan Perfect for use in various electronics projects in India, CJMCU-219 INA219 I2C Zero Drift Bi-directional Power Monitoring Module ensures reliability and performance. Ideal for various electronics projects, CJMCU-219 INA219 I2C Zero Drift Bi-directional Power Monitoring Module offers quality and performance.
Ne555 12V Digital Timer Relay Module Switch | Adjustable 0 To 10 Seconds
Specifications
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- Module Properties : NE555 chip
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- Input voltage : DC 12 Volts
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- Adjustable time : Within 10 seconds
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- Dimension : 77 (L) * 23 (W) * 18 (H) mm (with potentiometer)
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- Control voltage : AC 0~250V / max. 10A, DC 0~30V / max. 10A
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- Max. loading : 2200W
Micro SD Card Module
Specification
- Support Micro SD Card, Micro SDHC card (high-speed card)
- The level conversion circuit board that can interface level is 5V or 3.3V
- Power supply is 4.5V ~ 5.5V, 3.3V voltage regulator circuit boar
- Communication interface is a standard SPI interface.
- 4 M2 screw positioning holes for easy installation.
MG995 Based Door Lock Mechanism (Without Servo Motor)-(033)
✔️ MG995 Servo Motor Powered – Provides strong and reliable locking with precise movement.
✔️ Easy Integration – Compatible with Arduino, Raspberry Pi, and other microcontrollers.
✔️ Low Power Consumption – Operates efficiently with a 5V-7.2V power supply.
✔️ Multiple Control Options – Can be triggered via keypad, RFID, Bluetooth, or WiFi.
✔️ Durable & Lightweight – 3D-printed housing for sturdy and compact design.
✔️ Easy Installation – Pre-drilled mounting holes for quick and secure setup.
✔️ Easy Integration – Compatible with Arduino, Raspberry Pi, and other microcontrollers.
✔️ Low Power Consumption – Operates efficiently with a 5V-7.2V power supply.
✔️ Multiple Control Options – Can be triggered via keypad, RFID, Bluetooth, or WiFi.
✔️ Durable & Lightweight – 3D-printed housing for sturdy and compact design.
✔️ Easy Installation – Pre-drilled mounting holes for quick and secure setup.
DRV8833 2 Channel DC Motor Driver
Features:
- Dual-H-bridge motor driver: can drive two DC motors or one bipolar stepper motor
- Operating voltage: 2.7V to 10.8V
- Output current: 1.2A continuous (2A peak) per motor
- Motor outputs can be paralleled to deliver 2.4A continuous (4A peak) to a single motor
- Inputs are 3V- and 5V-compatible
- Under-voltage lockout and protection against over-current and over-temperature
- Reverse-voltage protection circuit
- Current limiting can be enabled by adding sense resistors (not included)
MAX6675 Module with K Type Thermocouple Sensor
MAX7219 8×8 LED Dot Matrix Display Module
he individual module features 88 LEDs, each controlled very precisely bythe MAX7219 driver to generate the color pattern you wish. The great advantage of using this is users will have control over all of the 64 LED by just connecting 3 output communication wires to microcontrollers like Arduino etc. Perfect for use in various electronics projects in India, MAX7219 8x8 LED Dot Matrix Display Module ensures reliability and performance. Ideal for various electronics projects, MAX7219 8x8 LED Dot Matrix Display Module offers quality and performance.