NodeMcu ESP8266 CH340 V3 Lua Wifi Board

Specifications:

1. Manufacturer: Ai-Thinker
2. Low power 32-bit CPU, can also serve the application processor
3. Support UART/SPI/I2C/I2S/PWM/ADC/DAC interfaces.
4. Built-in 520 KB SRAM, external 4MPSRAM
5. Supports audio input methods such as MIC and Line-in.
6. Support for firmware upgrade (FOTA)

Specifications:

1. Transmission Distance (m) : 400
2. Trigger Voltage (VDC) : 5
3. Switching Voltage (VAC) : 250@10A
4. Switching Voltage (VDC) : 30@10A
5. Relay : 5V (10A/250V AC, 10A/30V DC)
6. Baud Rate : 9600
7. Length (mm) : 36
8. Width (mm) : 29
9. Height (mm) : 17
10. Weight (gm) : 17

Features:

1. The smallest 802.11b/g/n Wi-Fi SOC module
2. UART baud rate up to 4Mbps
3. General AT commands can be used quickly
4. Low power 32-bit CPU, can also serve as the application processor
5. Up to 160MHz clock speed
6. Built-in 10 bit high precision ADC
7. Supports UART/GPIO/IIC/PWM/ADC
8. SMD-16 package for easy welding

Specifications:

• 32-bit LX6 microprocessor
• Operating at 160 or 240 MHz
• Performing at up to 600 DMIPS
• Ultra low power (ULP) co-processor

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

Specifications:

1. NodeMCU based on ESP-WROOM-32 module
2. Based on ESP32 DEVKIT DOIT
3. 30 GPIO Version
4. ESP32 is a dual core 32-bit processor with built-in 2.4 GHz Wi-Fi and Bluetooth
5. 4MByte flash memory
6. 520KByte RAM
7. 2.2 tp 3.6V Operating voltage range
8. In breadboard-friendly breakout
9. USB micro B for power and Serial communication, use to load program and serial debugging

Specifications:

1. Onboard Module: ESP8266 wifi module; in AP mode it can connect with 5 Clients at the same time
2. Operating Way: cellphone carried on wifi module; cellphone and wifi module carried on the same router, and use the APP to control relay
3. Transmission Distance : 400m (max)
4. Relay : 5V,10A/250V AC 10A/30V DC
5. Baud Rate: 9600.
6. Diode effusion protection;
7. Short response time