D1 Mini V2 NodeMcu 4M Bytes Lua WIFI Internet Of Things Development Board Based ESP8266

Specifications:

1. Lowest cost WI-FI
2. Flash size: 4MByte
3. Power input: 4.5V ~ 9V (10VMAX), USB-powered
4. Transfer rate: 110-460800bps
5. Support UART / GPIO data communication interface
6. Support Smart Link Smart Networking
7. Working temperature: -40°C ~ + 125°C
8. Drive Type: Dual high-power H-bridge
9. Don’t need to download resetting
10. A great set of tools to develop ESP8266

Features:

1. The smallest 802.11b/g/n Wi-Fi SoC module
2. Uses low power 32bit CPU and compatible with an application processor
3. Main frequency up to 160MHz
4. Built-in 10Bit high precision ADC
5. Support UART/GPIO/PWM/ADC interface
6. Integrate Wi-Fi MAC/BB/RF/PA/LNA
7. Support multiple sleep modes
8. Standby power consumption as low as 1.0mW
9. Embedded Lwip protocol stack
10. Support STA/AP/STA+AP work model
11. Support Smart Config/AirKiss
12. Series Rate up to 4Mbps
13. Universal AT instruction
14. Support serial local upgrade and remote firmware upgrade
15. Small size 18*18*2.8mm

Specifications:

1. Operating Voltage: 3.0-3.6V
2. 3DBi PCB-on-board antenna
3. Operating Current: 80mA
4. Low power 32-bit CPU, can also serve as the application processor
5. Up to 160MHz clock speed

Features:

1. Wi-Fi 2.4 GHz, support WPA/WPA2
2. 802.11 b/g/n
3. Integrated low power 32-bit MCU
4. Operating temperature range -40C ~ 85C
5. Support Smart Link Function for both Android and iOS devices
6. Integrated 10-bit ADC
7. Operating Current 80 mA
8. Operating Voltage 3.0-3.6 V

Features:

1. Derived from ESP8266, ESP8285 has a flash memory of 1MB
2. Operating Voltage: 3.3V
3. Totally compatible with ESP8266
4. WiFi support 802.11 b/g/n/e/i
5. High temperature resistant, working temperature: -40℃-125℃

Features :

1. LDR Light Sensor on board
2. WS2812 Led on board
3. 3x tactile buttons (1x in the Witty board and 2x in theCH340 board)
4. Micro USB connection for power and/or programming
5. Uses latest ESP-12F module with 4M flash and integrated antenna
6. Includes CH340G USB-to-UART programmer
7. Includes LDR (light dependent resistor a.k.a photoresistor) connected to ESP’s ADC pin
8. RGB LED connected to GPIO 12,13 and 15
9.  It supports 3 modes AP, STA, AP+STA