A9g gsm module
D1 MINI V2 – MINI NODEMCU 4M BYTES LUA WIFI INTERNET OF THINGS DEVELOPMENT BOARD
D1 MINI V2 - MINI NODEMCU 4M BYTES LUA WIFI INTERNET OF THINGS DEVELOPMENT BOARD, ESP WiFi Module, IOT AND WIRELESS
ESP-01 ESP8266 Serial WIFI Wireless Transceiver Module
The ESP 01 ESP8266 Serial WIFI Wireless Transceiver Module is a self-contained SOC with an integrated TCP/IP protocol stack that can give any microcontroller access to your WiFi network.
- 802.11 b/g/n Standards
- Wi-Fi Direct (P2P), soft-AP
- 1MB Flash Memory
- An integrated low-power 32-bit CPU could be used as an application processor
- A-MPDU & A-MSDU aggregation & 0.4ms guard interval
- Wake up and transmit packets in < 2ms
- Standby power consumption of < 1.0mW (DTIM3)
SIM800L GPRS GSM MODULE MICRO SIM CORE BOARD QUAD-BAND PORT TTL FOR ARDUINO
This is Small SIM800L GPRS GSM Module Micro SIM Card Core Board Quad-band TTL Serial Port with the antenna, in this module two antennas have been included.
- TTL serial port for serial port, you can link directly to the micro-controller.
- Don’t need MAX232.
- Power module automatically boots, homing network.
- Onboard signal lights all the way.
- It flashes slowly when there is a signal, it flashes quickly when there is no signal.