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Features:

Adopting high specification craft, carefully welding, precise hole position, complete functions.
The installation is simple and does not require particularly complicated operations.
Color screen, new custom buttons, add battery-powered charging circuit, low power consumption.
This product is made of high quality PCB material, strong and durable.
Suitable for development board, it can interact with many software such as for Processing, for Max/MSP, for Pure Data, for VVVV.

Specification:

Item Type: Development Board

Material: PCB
Size: Approx. 51.52 x 25.04 x 8.54mm / 2.03 x 0.99 x 0.34inch
Weight: Approx. 7.81g / 0.3oz
Hardware Specifications:
Chipset: For ESPRESSIF-ESP32 240MHz Xtensa? single-/dual-core 32-bit LX6 microprocessor
Flash: For QSPI flash 4MB
SRAM: 520 kB SRAM
Button: Reset
USB to TTL: CP2104
Modular Interface: UART, SPI, SDIO, I2C, LED PWM, TV PWM, I2S, IRGPIO, ADC, capacitor , DACLNA pre-amplifier
Display: IPS ST7789V 1.14 Inch
Working Voltage: 2.7V-4.2V
Working Current: Approx. 60MA
Sleep Current: Approx. 120uA
Working Temperature Range: -40℃-+85℃
Power Supply Specifications:
Power Supply: USB 5V/1A
Charging Current: 500mA
Battery: 3.7V lithium battery
JST Connector: 2Pin 1.25mm/0.05inch
Wi-Fi Standard: FCC/CE-RED/IC/TELEC/KCC/SRRC/NCC(esp32 chip)
Protocol: 802.11 b/g/n (802.11n, speed up to 150Mbps) 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: Approx. 300m / 984.25ft
Protocol: Meet v4.2BR/EDR and BLE standard
Radio Frequency: With -97dBm sensitivity NZIF receiver Class-1, Class-2&Class-3 emitter AFH
Audio Frequency: CVSD& 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 /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, for /iOS app
OS: For FreeRTOS

Package List:
1 x Module
2 x Pin
1 x Connect Cable

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