Custom TTGO Backlight Adjustment PSARM 8M IP5306 I2C Development Board Custom PCB remote control car pcba Manufacturer

Hardware

Specifications

Chipset

ESPRESSIF-ESP32 240MHz Xtensa® single-/dual-core 32-bit LX6 microprocessor

FLASH

QSPI flash/SRAM, up to 4 x 16 MB

SRAM

520 kB SRAM , SPRAM 8M

KEY

reset，boot

KEY

IO37,IO38,IO39

Dispaly

ILI9341 2.2Inch(240*320)

USB to TTL

CP2104

Modular  interface

SD card、UART、SPI、I2C、PWM、I2S、ADC

On-board clock

40MHz crystal oscillator

Working voltage

2.3V-3.6V

Working current

about 43mA

Sleep current

1.1mA

Audio amp

ns4148

Working temperature range

-40℃ ~ +85℃

Size&weight

66.70mm*42.59mm*12.50mm(20.23g)

Power Supply 

Specifications

Power Supply

USB 5V/2A

Charging current

2000mA

Battery

3.7V lithium battery

Integrated mobile power

IP5306-I2C

Wi-Fi 

Standard

FCC/CE/TELEC/KCC/SRRC/NCC(esp32 chip)

Protocol

802.11 b/g/n/e/i (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

Blth

Protocol

meet blth v4.2BR/EDR and BLE standard

Radio frequency

with -98dBm 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