Raspberry Pi Pico GPIO Expansion Board

Servos Tester features:
- 3-Channel Tester
- For Electronica Arduino

Standard ISP download port, for on-line programming. Built-in crystal oscillator circuit (8MHz), crystal are replaceable. Has reset push button, power reset push button. 

5x Female Strip 20 Short Pins features:
- Pin spacing: 2.54mm
- Insert position: Vertical
- Insert: Pasante
- Quantity: 5 units of strips of 20 female pins each

Grove Shield for Pi Pico v1.0 is a plug-and-play Shield for Raspberry Pi Pico that integrates with various types of Grove connectors, such as I2C, UART, digital and analog ports. It allows the construction of prototypes and projects in an easy and fast way without soldering or jumper wires, allowing to explore the infinite possibilities of the Pico. 

Relay Module DC 5V 10A 2 Channel Low/High Trigger features:
- Channels: 2 (independent protected with Optocouplers)
- Supply voltage: 5V
- Output Current: 10A
- Relay activation current: 15mA ~ 20mA
- Insulation: Yes
- Trigger signal type jumper (low / high)
- LED indicator: For each channel
- Dimensions: 40x 50mm
- It has a jumper that allows to choose type of trigger signal (low / high)
- This module can be controlled directly by the microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL)

Ideal for projects with ARDUINO
You can use it with PIC, AVR, STM32
LCD Display Screen 12864ZW 128x64 Dots Graphic Blue Backlight features:
- Graphic LCD Screen 128x64 points
- 5V power
- Blue retro background illuminated, white letters
- Controller ST7920
- Parallel / serial communication
- Dimensions PCB 93x70mm

IIC/I2C adapter PCF8574 LCD 1602 1604 2004 Interface features:
- Based on the PCF8574A chip
- Power: 5V
- Supports I2C Protocol
- A potentiometer for regulate contrast
- Dimensions: 19x42mm PCF8574 - & gt; the default address 0x20
PCF8574A - & gt; the default address 0x3F - You can change anyone between 0x20 and 0x27 depending on whether or not you have soldered pins A0 A1 A2 - With this module the communication between the Arduino and the LCD It is only made through two outputs, SDA and SCL
- Up to 8 LCD screens can be connected to the same I2C bus choosing a different address - Ideal for projects with ARDUINO and Raspberry Pi platforms - You can use it with PIC, AVR, STM32

It has an Atmega2560 chip running at 16Mhz with a factory loaded bootloader with 54 digital input / output pins (from which 14 can be used as PWM outputs) and 16 analog inputs, 4 UART (hardware serial ports). The board includes a USB connector, an ICSP port, a reset button and some status LEDs. Atmega16U2 programmed as a USB-to-serial converter. Simply connect it to a computer with a USB cable or power with a power adapter and DC connector.