T-Relay Style:T-Relay Set[H516+Q320] Notice:There is no battery by

Notice:There is no battery by default

3 inch Round IPS LCD Screen Model GC9A01 Capacitive touch screen Resolution 240x240 BMA423 Three-axis acceleration

TF card USB to TTL CH9102 Modular interface UART、SPI、 SDIO、I2C_ LED PWM、TV PWM、I2S、 IRGPIO、 capacitor touch sensor、ADC、DACLNA pre -amplifier On-board clock 40MHz crystal oscillator Working voltage 2

Infrared signal transmitter

Flash 64kb PSRAM 8kb Onboard Button Reset Button + WS2812 + Encoder

T-Relay Style:T-Relay Set[H516+Q320] Notice:There is no battery byLILYGO TTGO T Relay ESP32 Wireless Module DC 5V 4 Groups Relay Development Board 4MB Flash WiFi Bluetooth Remote Switch Control Specifications MCU ESP32 FLASH 4MB PS RAM 8MB Bus Interfaces UART, SPI, I2C, CAN, 12S, SDIO Wireless Wi Fi 802. 11 b g n Bluetooth BLE V4. 2 Onboard Functions 4 Groups of relays Optocoupler Isolation 16 Expansion GPIO HRS4H S DC5V Relay: 4 Blue LEDs Relay Work Indicator K1 Relay: GPIO21 K2 Relay: GPIO19 K3 Relay: GPIO18 K4