L293D Motor Driver Board for ESP8266 WiFi NodeMcu Lua ESP12E
- Motor power supply Range: 4.5V ~ 36V
- Control power Range: 4.5V ~ 9V (10VMAX)
- Logic Operating current: ≤60mA
- Drive part of the work current Io: ≤1.2A
- Maximum power dissipation: 4W
- Drive Type: Dual high-power H-bridge driver
- Working temperature: -25 ℃ ~ + 125 ℃
- ESP12 DEV KIT development board expansion module
- Lead ESP12 DEV KIT all the features of pins: SPI, UART, GPIO, AI, and 3.3V power connector
- Extend two-way motor-driven, two-way direct-drive motor
- on board power switch
- Motor power, control power separation
- Dimension: 60 x 45 x 13mm
LOLIN32 V1.0.0 ESP32 Rev1 Wifi Bluetooth Board
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
Mini SMD NRF24L01 2.4G Wireless Data Transmission Module
- Maximum operating speeds up to 2Mbps
- GFSK modulation efficiency, Anti-interference ability,
- Built-in hardware CRC error detection, Multipoint communication address control.
- Low-power 1.9 to 3.6V, only 1uA on Power-down mode
- Built-in 2.4Ghz antenna
- Built-in voltage regulator
- 125 Channels, Multi-point communication, and frequency hopping to meet the communication needs
- Wireless transceiver including Frequency generator, enhanced type, SchockBurstTM, mode controller, power amplifier, crystal amplifier, modulator, demodulator
- The output power channel selection and protocol settings can be set extremely low current consumption, through the SPI interface
- In the transmit mode, the transmit power is 6dBm, the current is 9.0mA, the accepted mode current is 12.3mA, the current consumption of the power-down mode and standby mode are lower
- Standard DIP Pitch Interface for embedded applications.NRF24L01 SPI interface: hardware SPI port, MCU I/O ports
- Internal FIFO compatible with a variety of microprocessor interface, micro-controller is convenient
NRF24L01 Long Range
- Voltage: 3-3.6V (recommended 3.3V) V.
- Maximum output power: +20dBm.
- Power-down mode current: 4.2uA.
- Operating Range: 1Km.
- Transmission mode current(peak): 115mA
- Receiver Mode Current(peak): 45mA
- Power-down mode current: 4.2uA
- Sensitivity 2Mbps mode in received: -92dBm
- It uses 2.4GHz global open ISM band, with license free.
- SPI interface facilitates the communication with MCU I/O port.
- Support six-channel data reception.
- 2Mbit/s speed makes high-quality VoIP possible
- Multi-frequency points: 125 frequency points meet the needs of multi-point communications and frequency hopping.
- Supports 126 RF channels
- Onboard antenna for optimum performance
- Standard DIP type pinout for easy Interface through jumper wires or breadboard
- Small size: 16.5mm*45.5mm.
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.