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3.3V 8MHz ATmega328P-AU Pro Mini Microcontroller Board With Pins For Arduino Description: The Pro Mini is a microcontroller board based on the ATmega328 for Arduino. With 14 digital input / output pins (of which 6 can be used as PWM outputs), 8 analog inputs, an on-board resonator, a reset button, and holes for mounting pin headers. Six pin header can be connected to an FTDI cable to provide USB power and communication to the board. Feature: Using ATmel Atmega328P-AU MCU TTL level serial port transceiver RX / TX Six PWM ports D3, D5, D6, D9, D10, D11 Supporting serial download Supporting external DC 2.4V ~ 12V power Supporting 12V (or below) battery power Specification: Microcontroller: ATmega328 Operating Voltage: 3.3V Input Voltage: 3.35V ~ 12V Digital I/O Pins: 14 (of which 6 provide PWM output) Analog Input Pins: 8 DC Current Per I/O Pin: 40mA Flash Memory: 32KB (of which 2KB used by bootloader) SRAM: 1KB EEPROM: 512bytes Clock Speed: 8MHz Size: 33.3 x 17.6mm Package included: 1 x 3.3V 8MHz Pro Mini(With Pins)  

3Pcs 3.3V 8MHz ATmega328P-AU Pro Mini Microcontroller Board For Arduino Description: The Pro Mini is a microcontroller board based on the ATmega328 for Arduino. With 14 digital input / output pins (of which 6 can be used as PWM outputs), 8 analog inputs, an on-board resonator, a reset button, and holes for mounting pin headers. Six pin header can be connected to an FTDI cable to provide USB power and communication to the board. Feature: Using ATmel Atmega328P-AU MCU TTL level serial port transceiver RX / TX Six PWM ports D3, D5, D6, D9, D10, D11 Supporting serial download Supporting external DC 2.4V ~ 12V power Supporting 12V (or below) battery power Specification: Microcontroller: ATmega328 Operating Voltage: 3.3V Input Voltage: 3.35V ~ 12V Digital I/O Pins: 14 (of which 6 provide PWM output) Analog Input Pins: 8 DC Current Per I/O Pin: 40mA Flash Memory: 32KB (of which 2KB used by bootloader) SRAM: 1KB EEPROM: 512bytes Clock Speed: 8MHz Size: 33.3 x 17.6mm Package included: 3 x 3.3V 8MHz Pro Mini(With Pins)

Feature: Professional version of the Mini Pro is a micro controller circuit board. It has 20 digital input/output pin (six of them can be used as a PWM output), 8 analog input, a 16MHZ resonator, a reset button, the installation hole lead foot. Technical parameters: 14 digital input/output port RX and TX, D2 ~ D13 8 analog input port A0 ~ A7 1 pair of TTL level serial port transceiver port RX / TX 6 PWM port, D3, D5, D6, D9, D10, D11 Using Atmel Atmega328P - AU microcontroller Support serial download Support for external 5 V ~ 12 V dc power supply Support 9v battery powered 16 MHZ clock frequency Size: 33.3 x 18 mm Package included: 1 x Pro Mini ATMEGA328P 5V/16M Improved Version Module

Description: Professional version Arduino Mini Pro is a micro-controller board. It has 14 digital input / output pins (of which 6 can be used as PWM outputs), 8 analog inputs, a 16MHz resonator, a reset button, mounting hole pin head. Parameter: - 14 digital input / output port: RX, TX, D2 ~ D13, - 8 analog input port: A0 ~ A7 - A pair of TTL level serial port transceiver: RX / TX - 6 PWM port: D3, D5, D6, D9, D10, D11 - Use Atmega328P-AU microcontroller - Support serial download - Support external 3.3V ~ 12V DC power supply - Support 9V battery - Clock frequency:16MHz - Size: 33.3 * 18.0 (mm) Package included: 5 x Module

5Pcs Pro Mini ATMEGA328P Module 3.3V 8M Interactive Media Upgrade Version For Arduino Description:Professional version Arduino Mini Pro is a micro-controller board. It has 14 digital input / output pins (of which 6 can be used as PWM outputs), 8 analog inputs, a 16MHz resonator, a reset button, mounting hole pin head.Parameter:- 14 digital input / output port: RX, TX, D2 ~ D13,- 8 analog input port: A0 ~ A7- A pair of TTL level serial port transceiver: RX / TX- 6 PWM port: D3, D5, D6, D9, D10, D11- Use Atmega328P-AU microcontroller- Support serial download- Support external 3.3V ~ 12V DC power supply- Support 9V battery- Clock frequency:16MHz- Size: 33.3 * 18.0 (mm)Package included:5 x Module

iduino Mini Pro is a micro controller circuit board. It has 14 digital I/O; 8 analog input; 16 MHZ resonator; 8 analog input ports A0 ~ A7; PWM port; D3; D5;D6; D9; D10; D11; uses Atmel Atmega328P - AU microcontroller; External 3.3 V ~ 12 V dc power supply; Support 9v batteries; Size: 33.3 x 18.0mm.

Description:   12V ESP8288 four ways WiFi relay module carried a ESP-01 WiFi module and mature 8 bit MCU.It could control the relay by cell phone APP within the local area network (LAN).It is easy to set.    Function features:   1. On board high quality MCU and ESP-01WIFI module 2. Two working mode: Mode 1: cellphone carry on wifi module directly Mode 2: cellphone and wifi module carry on router together Additional function: work as USB module when disconnect ESP-01 module 3. Transmission distance: (1) The open environment, the mobile phone when carrying on the WIFI module maximum transmission distance of 100 m; (2) When the WiFI module and cell phone carrying on the router at the same time the signal transmission distance depends on router signal 4. Use the Smartconfig technology to complete the configuration of the account and password of the esp-01 WIFI module on the mobile APP. The configured account and password will be memorized after power off 5. The board contains 12V,10A/250V AC 10A/30V DC relay, which can continuously absorb 100,000 times, with the protection of diode current and short response time. 6. With mode option and working statue LED indicator 7. With 4 isolator and strong anti interference ability 8. Reserved UART debug interface and MCU download port for program 9. Board size: 60*63mm   Interface:   IN+, IN-: 12V voltage input 12V, GND, TX, RX: UART serial port PIN SWIM, PIN8, NRST: reserved MCU download port Button S1: change mode, default mode is mode 1 Button S2: reset LED D1/D2/D3/D4(red ): relay working LED, LED on when relay is on LED D7(red ): indicator for mode 1 LED D5(blue): indicator for mode 2 LED D6(green): work statue indicator, exact details as below: (1)When extinguished, it is being configured or disconnected from the router. (2)0.5s fast blinking represents cellphone app is configuring WIFI account and password for ESP-01 module (3) 2S slow blinking to configure finished,and wait for connection with cellphone by TCP (4)LED always on represents TCP connections with mobile phone successfully Connection for reserved two cap jumper: Generally, insert them to the bottom,that is RX to RX1, TX to TX1. Insert them to upper,when use it as USB module COM1 COM2 COM3 COM4: Common terminal NC1 NC2 NC3 NC4: normal close NO1 NO2 NO3 NO4: normal open   Control command for relay(hex format): Open relay 1: A0 01 01 A2 Close relay 1: A0 01 00 A1 Open relay 2: A0 02 01 A3 Close relay 2: A0 02 00 A2 Open relay 3: A0 03 01 A4 Close relay 3: A0 03 00 A3 Open relay 4: A0 04 01 A5 Close relay 4: A0 04 00 A4 Package included: 1 x DC12V ESP8266 Four Channel Wifi Relay