Tech Specs

size length, width, and height 68 5 62 19mm front mcu model esp32 s3 wroom 1 n16r8 cpu xtensa® 32 bit lx7 dual core, up to 240 mhz wireless 2 4 ghz wi fi (802 11 b/g/n), bluetooth 5 0 le (mesh supported) memory 512 kb internal sram, supports 8 mb external psram flash 16 mb display type lcd color (ips, full viewing angle) resolution 320 × 240 px controller st7789 interface spi size 2 0" touch ft6336 (capacitive, i²c) buttons & joystick a/b membrane tactile switches joystick 5 way directional (up/down/left/right/press) usb firmware download / flashing (bootloader / dfu) jtag debugging (openocd) usb cdc (virtual com port) — serial logging usb hid usb msc — usb mass storage (u disk) led ws2812b 2020 storage interface 3 wire sdmmc (1 bit mode) card lexar 633x, 32 gb audio input adc es7210 microphone zts6216 (digital mems mic) output dac es8311 amplifier ns4150b, class d, 1 w speaker 1811 8ω 1w headphone 3 5 mm jack power battery li ion 503759/1200ma pmu axp173 charging usb c, 5v input io expander model pca9557pw type 8‑bit i/o expander (i²c/smbus) real time clock model pcf8563atl/1,118 interface i²c 0 27 µa typical (≤0 6 µa max) imu model bmi270 + bmm150 type 6 axis imu (3 axis accelerometer + 3 axis gyroscope) + 3 axis magnetometer infrared rx wavelength 950 nm (±100 nm) rx carrier 38 khz (+/ 5%) tx wavelength 940 nm tx carrier 0 2 mhz tx power 300 mw gpio 1×16 pin (2 54 mm) dupont female expansion header external power pin 1 3 3 v pin 2 gnd pin 3 5 v / vbus i²c pin 4 sda pin 5 scl spi pin 6 cs (io exp 02) pin 7 mosi pin 8 miso pin 9 sclk multi function pin 10 gpio44 pin 11 gpio12 / u pin 12 gpio17 / l /pwm pin 13 gpio18 / d / adc pin 14 gpio8 / r / int (shared or dedicated irq) pin 15 reset (hardware reset) pin 16 gnd