Products include:
1pcs BPI-Centi-S3
-------------------------------
BPI-Centi-S3 is a small-sized ESP32-S3 development board with a 1.9-inch LCD onboard, suitable for the development of comprehensive Internet of Things application projects such as color display, interactive control, wireless communication, and sensor data acquisition.
Using the Espressif ESP32-S3 chip, it supports 2.4 GHz Wi-Fi and Bluetooth® Low Energy (Bluetooth® LE) dual-mode wireless communication.
In a compact space, it still provides an incremental rotary encoder, a buzzer, a WS2812 color LED, and all other available pins to meet diverse needs.
Support USB and external 3.7V lithium battery power supply, can realize automatic switching power supply function under dual power supply, and support USB charging mode, equipped with battery voltage detection circuit, convenient for power management.
Key Features
ESP32-S3, Xtensa® 32 bit LX7
2M PSRAM, 8M FLASH
2.4G WIFI, Bluetooth 5, Bluetooth mesh
GPIO, PWM, I2C, SPI, RMT, I2S, UART, USB, JTAG
1 * ST7789 TFT LCD, 1.9-inch, 170*320 resolution, 8bit 8080 parallel port
1 * Rotary Encoder
1 * Buzzer
1 * Neopixel LED
1 * SH 1mm 4-Pin I2C connector
2 * SH 1mm 6-Pin
1 * USB Type-C
1 * MX 1.25mm 2-Pin battery connector, support charging
2 * M3 Screw Holes
==============================================
Hardware Specifications
BPI-Centi-S3 Spec
SoC ESP32-S3, Xtensa® 32-bit LX7 dual-core processor
Clock Frequency 240MHz MAX
Internal ROM 384 KB
Internal SRAM 320 KB
Onboard FLASH ROM 8MB
On-chip PSRAM 2MB
WIFI IEEE 802.11 b/g/n, 2.4Ghz frequency band, 150Mbps
bluetooth Bluetooth 5, Bluetooth mesh
External crystal oscillator 40Mhz
RTC and LowPower Management Power Management Unit (PMU) + Ultra-Low-Power Coprocessor(ULP)
GPIO 9 available GPIOs have been exported to the JST SH socket
Support Peripherals I2C, SPI, PWM, UART, RMT, I2S, SD
JST SH 1mm socket 1 * 4Pin, 2 * 6Pin
USB 1 * Full Speed USB 2.0 OTG, Type-C Female
USB Serial/JTAG Controller 1, USB full speed standard, CDC-ACM, JTAG
TFT LCD size 1.9 inches
TFT LCD resolution 170 * 320 RGB
TFT LCD control chip ST7789V3
TFT LCD interface 8bit 8080 parallel port
Encoder 1 * Incremental Rotary Encoder, support pressing function
Buzzer 1
Color LED 1 * WS2812 2020 LED
Button RST Button, BOOT Button
Screw Holes 2 * M3 Screw Holes
Machine working temperature -20℃ ~ +60℃
Working voltage 3.3V
USB input voltage 3.3V~5.5V
Maximum discharge current 2A@3.3V DC/DC
Battery connector MX 1.25mm 2-Pin
USB charging Support
Maximum charging current 500mA
