Hardware spec

TypeValue
Size69.8*36.3 mm.including usb and switch
Mounting HoleM2*2
Wi-Fi802.11 b/g/n (2.4 GHz), up to 150 Mbps (21.5dBm)
ProtocolWebsocket. TLS1.2(regarding account plan)
Protocol Settingstatic ip, dns server, proxy server
BluetoothCompliant with Bluetooth v4.2 BR/EDR and BLE specification
CertificationsMIC, FCC, IC by ESP-WROOM-32
Operation Voltage(vcc)Recommended 5v (4.5V-5.5v)(microUSB or J1 pin)
Operation CurrentAve 170mA @ 5v (Wi-Fi connected, BLE standing by, no parts connected, OLED displayed)
Maximum supply via microUSB1.8A ( If you need more. Please consider using J1 pin. )
Main ProcessorESP32
Sub ProcessorPIC16F1
Num of MotorDriver IC6 (DRV8839)
IO num12
IO output5V(vcc) push-pull max 1A
3.3V push-pull
5V/3.3v open-drain
pull-up(3.3v/5v(vcc))
pull-down
PeripheralsGPIO 12
A/D 12
PWM 6 assignable to everyIO
UART 2 assignable to everyIO
SPI 2 assignable to everyIO
I2C 1 assignable to everyIO
OLEDWhite dot 128*64
Recommended
Storage
Temperature
-30 to 80 degrees Celsius
Recommended
Operation
Temperature
0 to 70 degrees Celsius
OTAYES
SolderingPb free

Dimension