Finger Print Module Scanner – TTL (GT-521F52)
- Simple UART & USB communication protocol.
- Complies with USB 2.0 full-speed specification.
- Ultra-thin optical sensor.
- Resolution 450 dpi.
- Capable of 360° recognition.
- Storage for 3,000 unique fingerprints.
- Wake up on Finger Function.
- Works well with dry, moist or rough fingerprints.
- Anti-scratch with surface high hardness ≧
- 1:1 verification, 1:N identification.
- High accuracy and high-speed fingerprint identification technology.
ESP32 LoRa SX1278 0.96 Inch Blue OLED Display BT WiFi Module for Arduino
- Operating voltage: 3.3V to 7V
- Operating temperature range: -40 ° C to + 90 ° C
- Frequency:433MHz
- Supports Sniffer, Station, softAP and Wi-Fi Direct modes
- Data rate: 150 Mbps @ 11n HT40,72 Mbps @ 11n HT20,54 Mbps @ 11g, 11 Mbps @ 11b
- Transmit power: 19.5 dBm @ 11b, 16.5 dBm @ 11g, 15.5 dBm @ 11n
- Receiver sensitivity up to – 98 dBm
- UDP continues to throughput by 135 Mbps
- Application:Camera
Wireless Charging Module – 5V
- Input Voltage: 5Vdc
- Input Voltage(limits): 5Vdc
- Output Voltage: 5Vdc
- Output Current(maximum): 1.2A
- Output Current(no-load): 30~50mA
- Transmitter Coil Inductance: 3.7uH
- Receiver Coil Inductance: 14uH
- Transmit-receive distance: 2-10mm
- Transmitter :22.1*13.1*3.2mm
- Receiver: 24.2*9.8*5.36mm
- Coil Diameter: 43mm
- Coil Height: 2.3mm
- Magnetic coupling resonance technique
- Insulation Coil
- Compact Design
- Stable power supply
- Insulation Coil
- Space-saving design
GY-906-BCC MLX90614ESF-BCC IR TEMPERATURE MODULE
- Input supply: 3V-5V
- Input current: 2mA
- Small size, low cost.
- Mounted on a breakout board with two types of pins.
- 10k pull up resistors for the I2C interface with optional solder jumpers.
- Easy to integrate
- Factory calibrated in a wide temperature range
- Mounted on a breakout board with two types of pins
- -40 degrees to 125 degrees C for sensor temperature
- -70 degrees to 380 degrees C for object temperature.
- High accuracy of 0.5C over a wide temperature range
- The measurement resolution of 0.02C
- Single and dual-zone versions
- SMBus compatible digital interface
- Customizable PWM output for continuous reading
- Simple adaptation for 8v to 16V applications
- Sleep mode for reduced power consumption
- Different package options for applications and measurements versatility
12V Wireless Charging Module
3.5″ inch ILI9486 TFT Touch Arduino Shield LCD Module
- 5″ diagonal LCD TFT display, with bright 4 white-LED backlights, default state: on
- It can control the backlight to connect the transistor to a digital pin
- 480×320 Pixels, with colourful and 18-bit, 262,000 different kinds of shade
- 4-wire resistive touchscreen
- 8-bit digital interface, plus 4 control lines
“PWM Generator Module for Stepper Motor Driver with Forward and Reverse Function “
- Board can be used to generate PWM signals for the stepper motor driver
- Operating Voltage: 12VDC
- Three Frequency Range
- Forward and Reverse Function.
- It has three frequency ranges selectable via onboard jumpers.
- Frequency can be measured via PUL and common cathode (GND) ports.
- The board has two sets of power input
24V/12V to 5V 5A Power Module DC-DC XY-3606 Power Converter
- Working voltage: DC 9V–36V
- Output voltage: 5.2V/5A/25W
- 9~24V input: Output 5.2V/6A/30W
- 24~32V input: output 5.2V/5A/25W
- 32~36V input: output 5.2V/3.5A/18
- The synchronous rectification scheme, wide voltage, high current, high efficiency.
- With DC plug and terminals, easy to use.
- With USB port, fast-charge identification chip compatible with Android and iPhone mobile phones.
WeMos D1 ESP Wroom 02 Board ESP8266 Mini WiFi Nodemcu Module 18650 Battery
- One AD inputs.
- Micro USB inputs.
- One programmable LED (D0).
- AUTO PROGRAM circuit.
- ESP8266 (ESP-WROOM-02 With TELEC) is equivalent to the NodeMCU.
- Analog Input (AD): Built-in dividing resistor (AD = 220K ADC 100K = GND).
- There is a SOLDER terminal for SLEEP MODE.
- Compatible With Arduino andNodeMCU.
- Operation and charging are possible at the same time.
- 18650 charging circuit including the 5V boosting circuit with TP5410.
- Overcharge protection, over-discharge protection built-in.
- LED: Red = Charging, Green = Full charging.
- 3000 mA 18650 It is possible to operate for more than 17 hours on a battery.
- Integrated 18650 battery charging and discharging system.
- One switch controls whether the 18650 battery is on power or not.
- OLEDs SDA and SCL can connect to the D1 pin and the D2 pin respectively.
- The five buttons can be controlled by FLATH, RSET, D5, D6, and D7 respectively.
- The 5 Digital pins can configure the write/read/interrupt/PWM/I2C/one-wire supported separately.
- Operation and NodeMCU consistent, adding a programmable LED, you can use GPIO16 to control; display 8266 running status and other functions. Integrated OLED and five buttons, more convenient for development.
- The design concept originates from the open-source project NodeMCU; the development board integrates 18650 charging and discharging systems with charging and discharging protection. At the same time, an OLED and five directional buttons are integrated to facilitate the development.
2.8 inch SPI Screen Module TFT Interface 240 x 320 without Touch
Power Line Carrier Module KQ-430F
SIM28 GPS Module Modem with GPS antenna
- Operating voltage: 12V DC.
- Frequency l1, 1575.42mhz
- C/a code 1.023mhz chip rate
- 16-channels GPS search engine
- Ultra-low-power design (38mA, typical)
- Compact size
- Built-in low noise, high gain active antenna
- Super-cohesive magnetic for installation
- High sensitivity (up to -152dBm type)
- Super-cohesive magnetic for installation
- Apply to host devices with USB or RS232
- Compatible with TTL serial