Description
ESP8266 Serial WIFI Module Egypt
WiFi Serial Transceiver Module w/ ESP8266
Product Description
This is a wifi solution based on IC ESP8266 from Espressif, very price competitive wifi module, and also great function. Bring your project to the internet of things easily!
Features:
- Very competitive price
- AP, STA, AP+STA modes available.
- Very simple AT commands, easy to use.
- internal LWIP interface.
- Only four pins interface, VCC-3V3, GND, TXD and RXD.
- Current firmware V091 for all stock, new reserved reset and CH_PD (for updating) pins available, you can refresh the firmware now.
- All using new ESP8266ex new chip, old chip is not available anymore.
- visit this wiki for more info about specs and usages
Module Pin Description
- Normal mode: Normal boot from flash, normal working mode
- Flash mode: Firmware flash mode
Pin | Working Mode | Flash Mode | Description |
---|---|---|---|
VCC, GND* | power supply, better use a standalone, and share ground with uart port | ||
TXD, RXD** | uart interface | ||
RST | Restart on low TTL | ||
CH_PD | High TTL | High TTL | Chip select, constant High TTL for both mode |
GPIO0 | High TTL(optionally) | Low TTL | Switch Wroking/Flash Mode |
GPIO 15 | Low TTL | Low TTL | Constant Low TTL for both mode , N/A for ESP-01 |
GPIO 2 | High TTL | High TTL | Constant High TTL for both mode, maybe not necessary |
Red LEDs | constants on to show the power status | ||
Blue LEDs | blink when data come through |
YouTube Video Cick Here
Additional information
Weight | 0.025 kg |
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Pluggable Screw Terminal Block M/F 3.81mm Type
Smd Chip Capacitor size 0402 75pF
DMM VICTORY 70C
PIC16F688-I/P
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