ESP32 SIM 800 WITH WIFI MODULE
- Chipset :ESPRESSIF-ESP32 240MHz Xtensa® single-/dual-core 32-bit LX6 microprocessor
- FLASH: QSPI flash 4MB / PSRAM 8MB
- SRAM:520 kB SRAM
- Button: Reset
- USB to TTL: CP2104
- Modular interface: UART,SPI,SDIO,I2C,PWM,TV PWM,I2S,IRGPIO
- On-board clock:40MHz crystal oscillator
- Working voltage:2.7V-3.6V
- Working current: About 70mA
WeMos D1 ESP Wroom 02 Board ESP8266 Mini WiFi Nodemcu Module 18650 Battery
- One AD inputs.
- Micro USB inputs.
- One programmable LED (D0).
- AUTO PROGRAM circuit.
- ESP8266 (ESP-WROOM-02 With TELEC) is equivalent to the NodeMCU.
- Analog Input (AD): Built-in dividing resistor (AD = 220K ADC 100K = GND).
- There is a SOLDER terminal for SLEEP MODE.
- Compatible With Arduino andNodeMCU.
- Operation and charging are possible at the same time.
- 18650 charging circuit including the 5V boosting circuit with TP5410.
- Overcharge protection, over-discharge protection built-in.
- LED: Red = Charging, Green = Full charging.
- 3000 mA 18650 It is possible to operate for more than 17 hours on a battery.
- Integrated 18650 battery charging and discharging system.
- One switch controls whether the 18650 battery is on power or not.
- OLEDs SDA and SCL can connect to the D1 pin and the D2 pin respectively.
- The five buttons can be controlled by FLATH, RSET, D5, D6, and D7 respectively.
- The 5 Digital pins can configure the write/read/interrupt/PWM/I2C/one-wire supported separately.
- Operation and NodeMCU consistent, adding a programmable LED, you can use GPIO16 to control; display 8266 running status and other functions. Integrated OLED and five buttons, more convenient for development.
- The design concept originates from the open-source project NodeMCU; the development board integrates 18650 charging and discharging systems with charging and discharging protection. At the same time, an OLED and five directional buttons are integrated to facilitate the development.
ESP32 LoRa SX1278 0.96 Inch Blue OLED Display BT WiFi Module for Arduino
- Operating voltage: 3.3V to 7V
- Operating temperature range: -40 ° C to + 90 ° C
- Frequency:433MHz
- Supports Sniffer, Station, softAP and Wi-Fi Direct modes
- Data rate: 150 Mbps @ 11n HT40,72 Mbps @ 11n HT20,54 Mbps @ 11g, 11 Mbps @ 11b
- Transmit power: 19.5 dBm @ 11b, 16.5 dBm @ 11g, 15.5 dBm @ 11n
- Receiver sensitivity up to – 98 dBm
- UDP continues to throughput by 135 Mbps
- Application:Camera
ESP32 SIM800L Wireless Communication Module
- Chipset: ESPRESSIF-ESP32 240MHz Xtensa® dual-core 32-bit LX6 microprocessor
- FLASH: QSPI flash 4MB / PSRAM 8MB
- SRAM: 520 kB SRAM
- Modular interface: UART, SPI, SDIO, I2C, LED PWM, TV PWM, I2S, IRGPIO, capacitor touch sensor, ADC, DACLNA pre-amplifier
- SIM card: Only supports Nano SIM card
- Power Supply: USB 5V/1A
- WIFI Protocol : 802.11 b/g/n
- Communication distance: 300m
- Bluetooth Protocol: Bluetooth v4.2BR/EDR and BLE standard
- Dimensions: 78.83mm*28.92mm*8.06mm
- Weight: 12 grams
LOLIN32 V1.0.0 ESP32 Rev1 Wifi Bluetooth Board
ESP8266 Serial WIFI Witty Cloud Development Board ESP-12F Module MINI Nodemcu
- LDR Light Sensor on board
- WS2812 Led on board
- 3x tactile buttons (1x in the Witty board and 2x in theCH340 board)
- Micro USB connection for power and/or programming
- Uses latest ESP-12F module with 4M flash and integrated antenna
- Includes CH340G USB-to-UART programmer
- Includes LDR (light dependent resistor a.k.a photoresistor) connected to ESP’s ADC pin
- RGB LED connected to GPIO 12,13 and 15
- It supports 3 modes AP, STA, AP+STA
MINI NODEMCU ESP8266 WIFI DEVELOPMENT BOARD BASED ON ESP-12F
- Communication interface voltage: 3.3V
- Working current: 240mA(MAX)
- Serial port baud rate: 115200 (default), can be modified to other values by AT command
- Serial communication format: 8N1
- Wireless Network Mode: station / softAP / SoftAP + station
- Wireless criteria: 802.11 b / g / n
- WIFI @ 2.4 GHz, support for WPA / WPA2 security mode
- +19.5dBm output power
- Compatible with ESP-12(ESP-202)
- It is very easy to develop projects with AT commands
- Surface Mount Package with 2mm Pitch Pads
- Multiple GPIO’s for all your sensor needs
- Integrated TCP/IP protocol stack
- Integrated TR switch, balun, LNA, power amplifier and matching network
- Integrated PLL, regulators, DCXO and power management unit
- Power down leakage current of <10uA