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Description
Main chip: ESP32
1.54 inch LCD capacitive touch screen: ST7789V
Touch screen chip: FT6236U
Three-axis accelerometer: BMA423
PMU power management: AXP202
RTC clock module: PCF8563
ESP-32 master:
CPU: Xtensa dual-core 32-bit LX6 microprocessor operating at 240 MHz up to 600 DMIPS
Ultra Low Power (ULP) Coprocessor
Memory: 520 KiB SRAM
Wireless connection: Wi-Fi: 802.11 b / g / n
Bluetooth: v4.2 BR / EDR and BLE
Power supply: Type-C USB/Lithium battery
Working voltage: 3.3V
| Hardware Specifications | |
| Chipset | ESP32, dual-core MCU, PMU power management |
| FLASH | QSPI flash 16MB / PSRAM 8MB |
| SRAM | 520 kB SRAM |
| Button | power key, IO36 |
| Extended function | Reference enhanced version and sensor kit |
| USB to TTL | |
| Modular interface | UART, SPI, SDIO, I2C, LED PWM, PWM, I2S, IRGPIO, capacitor touch sensor, ADC, DACLNA |
| On-board clock | 40MHz crystal oscillator |
| Working voltage | 2.7V-3.6V |
| Working current | About 70mA |
| Sleep current | About 3mA |
| Working temperature range | -40℃ ~ +85℃ |
| Size&Weight | 46.47*43*20.4mm 43.19g |
| Display: | 1.54 inch LCD capacitive touch screen |
| Sensor: | BMA423 three-axis accelerometer, built-in step counting algorithm, activity recognition / tracking, advanced gesture recognition. |
| RTC clock : | PCF8563 |
| Power Supply Specifications | |
| Power Supply | USB 5V/1A |
| Charging current | 500mA |
| Battery | 3.7V lithium battery |
| Wi-Fi | |
| Standard | FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC(esp32 chip) |
| Protocol | 802.11 b/g/n (802.11n, speed up to150Mbps) A-MPDU and A-MSDU polymerization, support 0.4μS Protection interval |
| Frequency range | 2.4GHz~2.5GHz(2400M~2483.5M) |
| Transmit Power | 22dBm |
| Communication distance | 300m |
| Bluetooth | |
| Protocol | Meet bluetooth v4.2BR/EDR and BLE standard |
| Radio frequency | with -97dBm sensitivity NZIF receiver Class-1, Class-2&Class-3 emitter AFH |
| Audio frequency | CVSD&SBC audio frequency |
| Software specification | |
| Wi-Fi Mode | Station/SoftAP/SoftAP+Station/P2P |
| Security mechanism | WPA/WPA2/WPA2-Enterprise/WPS |
| Encryption Type | AES/RSA/ECC/SHA |
| Firmware upgrade | UART download/OTA (Through network/host to download and write firmware) |
| Software Development | Support cloud server development /SDK for user firmware development |
| Networking protocol | IPv4, IPv6, SSL, TCP/UDP/HTTP/FTP/MQTT |
| User Configuration | AT + Instruction set, cloud server, android/iOSapp |
| OS | FreeRTOS |
Package includes:
1 x Kit dedicated backplane
1 x Multi-function connection expansion board
1 x Multi-function expansion board acrylic with pin label cover
1 x Black strap (25.5CM)
1 x Small screwdriver
1 x Blue small rag
1 x Manual
1 x Box
1 x Button module
1 x Microphone sensor module
1 x WS2812_RGB
1 x DHT12 module
1 x Pir infrared sensor
1 x Photosensitive module
1 x Relay module
1 x Potentiometer module
1 x Switch door detection module
2 x Steering gear
1 x Servo expansion module
1 x Single bus adapter module
3 x Cable (15cm)
3 x Cable (30cm)
10 x Compatible LEG0 latch
Component Layout:
Product Pins:
