REX Datasheet

The REX card is a special card designed to make the mechanical and electronic installation of the robots in the 8 in 1 set more convenient. This board, which uses the ESP32-WROOM processor, has connectors to easily connect all the components used in the REX 8 in 1 set to the circuit with a single cable.

  • ESP32-WROOM

  • Buzzer

  • L9110S

  • MPU6050

  • HC-SR04

  • TCRT5000

  • TP4056

Specifications of The Components

ESP32-WROOM

  • RF certification: FCC/CERED/IC/TELEC/KCC/SRRC/NCC

  • Wi-Fi certification: Wi-Fi Alliance

  • Integrated crystal: 40 MHz crystal

  • Integrated SPI flash: 4 MB

  • Operating voltage/Power supply: 3.0 V ~ 3.6 V

  • Operating current: 80 Ma (Average)

  • Minimum current delivered by power supply: 500 mA

  • Recommended operating temperature range: –40 °C ~ +85 °C

  • Moisture sensitivity level (MSL): Level 3

Buzzer

  • Max. Voltage: 30V DC

  • Rated current: <5mA @4000 Hz 5V

  • Buzzer Type: Externally Driven

  • Resonant Frequency: ~4000 Hz

L9110S

  • Supply Voltage: 2.5V – 6V

  • Operating Current: 800mA

  • 2 input and 2 output pin

  • Operating Temperature: 0, +80°C

MPU6050

  • Supply Voltage: 2.3V – 3.46V

  • Operating Current: 3.9mA

  • Operating Temperature: -40 , +85°C

  • 9 Axis motion fusion on chip

  • Serial Interfaces Supported: I2C, SPI 400kHz

  • Fast mode I2C for communicating with all registers

HC-SR04

  • Power Supply: +3.3V DC

  • Quiescent Current: <2mA

  • Working Current: 15mA

  • Effectual Angle: <15º

  • Ranging Distance: 2400 cm

  • Resolution: 0.3 cm

  • Measuring Angle: 30 º

  • Trigger Input Pulse Width: 10uS

TP4056

  • Input Supply Voltage(VCC): -0.3V～8V

  • TEMP: -0.3V～10V

  • CE: -0.3V～10V

  • BAT Short-Circuit Duration: Continuous

  • BAT Pin Current: 1200mA

  • PROG Pin Current: 1200uA

  • Maximum Junction Temperature: 145°C

  • Operating Ambient Temperature Range: -40°C～85°C