Pico-Eval-Board
Pico-Eval-Board is an evaluation board designed and developed for Raspberry Pi Pico. It is equipped with a 3.5-inch 65K color LCD screen and other abundant onboard resources. It can use almost all the on-chip peripherals of RP2040, and it can help users get started and learn easily and quickly.
- On-board Raspberry Pi Pico interface for Raspberry Pi Pi series motherboards
- On-board 3.5-inch resistive touch screen with 65K color can clearly display color pictures.
- On-board standard 3.5mm audio interface, which can connect headphones or other audio peripherals.
- The Micro SD card slot connected with onboard SDIO interface can read and write SD cards faster than SPI interface.
- On-board battery interface and charging circuit can be used in case of power failure to ensure stable power supply.
- On-board buzzer, photoresistor, RGB LED and other rich resources.
LCD parameters
- Working voltage 5V resolution 480× 320 pixels
- Touch type resistance touch display color 65K color
- The SPI display size of communication interface is 73.44× 48.96mm.
- The IPS pixel size of the display panel is 0.153× 0.153mm.
- The control chip ILI9488/XPT2046 has a product size of 86.00× 57.20mm.
Introduction to interface
1.Raspberry Pi Pico interface
Access Raspberry Pi Pico motherboard
2.LCD interface
Used for connecting 3.5-inch IPS LCD
3.Mirco USB interface
Can be used for communication with CP2102 or charging
4.3.5mm audio interface
Accessible earphone
5.Micro SD card slot
SDIO interface connection, fast reading and writing Micro SD card
6.PH2.0 battery interface
Connectable to 3.7V lithium battery
Introduction of chip
7.CP2102
USB to UART chip
8.SP0503
Electrostatic protection diode to prevent ESD from damaging the chip
9.PCM5101A
Audio DAC chip, which can output analog audio
10.74HC4040
Counter chip for clock frequency division
11.74HC04D
Inverter chip
12.74HC4094
Serial data to parallel data chip
13.ETA6096
Lithium battery charging chip, charging current 1A
14.ICM20948
9-axis motion sensor, which can sense current posture.
15.LSD0204
Level-shifting chip enables chips with different working voltages to communicate safely.
16.XPT2046
Resistive touch chip
Introduction of devices
17.W2812B
RGB LED
18. Passive buzzer
Sound frequency controllable
19. User keys
User-defined key to connect GP2
20. Reset button
Pico reset button
1. Photosensitive resistor
Converting the light intensity signal into a voltage signal, and collecting the light intensity
22. indicator light
PWR: power indicator light
TXD: CP2102 UART sending indicator light
RXD: CP2102 UART receiving indicator
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Pico-Eval-Board
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