ESP8266 Serial Wifi module Adapter Plate
ESP8266 Serial WIFI Witty Cloud Development Board ESP-12F Module MINI Nodemcu
- LDR Light Sensor on board
- WS2812 Led on board
- 3x tactile buttons (1x in the Witty board and 2x in theCH340 board)
- Micro USB connection for power and/or programming
- Uses latest ESP-12F module with 4M flash and integrated antenna
- Includes CH340G USB-to-UART programmer
- Includes LDR (light dependent resistor a.k.a photoresistor) connected to ESP’s ADC pin
- RGB LED connected to GPIO 12,13 and 15
- It supports 3 modes AP, STA, AP+STA
ESP8266 WIFI Shield
- Operating voltage 5V (supplied from the Arduino Board)
- Connection via: 802.11b/g networks
- Encryption types: WEP and WPA2 Personal
- Connection with Arduino on SPI port
- on-board micro SD slot
- ICSP headers
- FTDI connection for serial debugging of WiFi shield
- Mini-USB for updating WiFi shield firmware
- 32-bit RISC architecture
- The processor can operate at 80MHz / 160MHz
- 32MB flash memory
- 64kB for instructions
- 96kB for data
- Operates in AP, Station or AP + Station mode
- It has 11 digital pins
- It has 1 analogue pin with 10-bit resolution
- Digital pins except the D0 have interrupts, PWM, I2C and one wire
- Programmable through USB or WiFi (OTA)
- Compatible with Arduino IDE
- Compatible with modules and sensors used in Arduino
Ethernet Shield
- Based on the W5100Based on the Wiznet W5100 allows an Arduino board to connect to the internet.
- Stackable Design, can directly be supported by Arduino official Ethernet Library.
- Supports up to four simultaneous socket connections
- Can be used to store files for serving over the network.
- Compatible with the Arduino Duemilanove (168 or 328), Uno as well as Mega (1280/2560).
- Can be accessed using the Mini SD TF library.
- The current shield has a Power over Ethernet (PoE) module designed to extract power from a conventional twisted-pair Category 5 Ethernet cable.
- IEEE802.3af compliant
- Low output ripple and noise (100mVpp)
- Overload and short-circuit protection
- 1500V isolation (input to output)
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.