GT521F32 Optical Fingerprint Scanner Module with Connector uses ARM Cortex M3 Core (Holtek HT32F22366) to support UART transmission interface. It has simple, fast and high resolution (450DPI) fingerprint registration, 1:1 fingerprint authentication, 1:N fingerprint.
The HC-06 is slave module, interface VCC,GND,TXD,RXD,STATE,EN. State interface can tell the status of LED, EN is enable pin, the current consumption<20uA when it is closed.
This is the first motor shield for ESP8266 based on ESP-12E. It is very convenientand cheap to diy a WiFi RC smart car. In our shop, we also develop a WiFi smart car, which can be controlled by mobile, PC.
ESP32 V1.0 Rev1 Lite WiFi Bluetooth Module MicroPython 4MB FLASH Wireless/IOT Applications is latest product of ESP32 with 4MB flash and MicroPython firmware. Maximum Serial Baud rate of this module is 256000bps.
This NodeMCU ESP8266 Expansion Base Board is an expansion board designed to work with the NodeMCU V3 ESP8266 ESP-12E. Powered by 6V to 24V DC input, it provides the support power to operate the NodeMCU V3, and provide easy connection to all of its input and output pins to help you connect your NodeMCU board to other devices.
When working with Wifi, an OLED screen is a very useful component to have. You can do all kind of thinks like displaying signal strength and other useful information easily.
