embeded/esp32
esp32 lvgl
구차니
2025. 11. 15. 19:40
당근보다가 신기한 보드가 있어 찾아보는데.
오피셜하게 보이는건 esp32-s3 계열 같은데
[링크 : https://lvgl.io/boards]
[링크 : https://docs.lvgl.io/8.0/get-started/espressif.html]
[링크 : https://github.com/lvgl/lv_port_esp32]
[링크 : https://github.com/lvgl/lvgl_esp32_drivers]
1.5만에 팔아서 검색해보다
조금 싸긴 한데.. esp-wroom-32 기반이라 esp32-s3는 아닌것 같고..
[링크 : https://itempage3.auction.co.kr/DetailView.aspx?itemno=E586493868]
[링크 : https://ko.aliexpress.com/item/1005006284154750.html]
어떤걸 사야 되는걸까?
스펙상으로는 SPI 채널을 제외하면 크게 차이가 없어 보이는데...
일단 고속(?) UI를 위한거니까 SPI 외에는 내부 cpu 성능으로 하는거라면 머...
| esp32-s3 | 32-bit MCU & 2.4 GHz Wi-Fi & Bluetooth 5 (LE) Xtensa® 32-bit LX7 dual-core processor that operates at up to 240 MHz 512 KB of SRAM and 384 KB of ROM on the chip, and SPI, Dual SPI, Quad SPI, Octal SPI, QPI, and OPI interfaces that allow connection to flash and external RAM Additional support for vector instructions in the MCU, which provides acceleration for neural network computing and signal processing workloads Peripherals include 45 programmable GPIOs, SPI, I2S, I2C, PWM, RMT, ADC, DAC and UART, SD/MMC host and TWAI™ Reliable security features ensured by RSA-based secure boot, AES-XTS-based flash encryption, the innovative digital signature and the HMAC peripheral, “World Controller” Fully certified with integrated antenna and software stacks |
| esp32 | 32-bit MCU & 2.4 GHz Wi-Fi & Bluetooth/Bluetooth LE ESP32 embedded, two or one Xtensa® 32-bit LX6 microprocessor(s) with adjustable clock frequency, ranging from 80 MHz to 240 MHz +19.5 dBm output power ensures a good physical range Classic Bluetooth for legacy connections, also supporting L2CAP, SDP, GAP, SMP, AVDTP, AVCTP, A2DP (SNK) and AVRCP (CT) Support for Bluetooth Low Energy (Bluetooth LE) profiles including L2CAP, GAP, GATT, SMP, and GATT-based profiles like BluFi, SPP-like, etc Bluetooth Low Energy (Bluetooth LE) connects to smart phones, broadcasting low-energy beacons for easy detection Sleep current is less than 5 μA, making it suitable for battery-powered and wearable-electronics applications Peripherals include capacitive touch sensors, Hall sensor, SD card interface, Ethernet, high-speed SPI, UART, I2S and I2C Fully certified with integrated antenna and software stacks |