l ESP12 DEV KIT development board expansion module;
l Lead all function pins of ESP12 DEV KIT: SPI, UART, GPIO, AI and 3.3V power interface;
l Expand two-way motor drive to directly drive two motors;
l Onboard power switch;
l Motor power supply range: 4.5V~36V;
l Control power supply range: 4.5V~9V;
l Motor power supply and control power supply are separated. In the experiment, VIN and VM can be short-circuited by short-circuit block combination, and the motor and control board can be supplied with power.
~ Motor power supply (VM): 4.5V ~ 36V, can be powered separately;
~ Control power supply (VIN): 4.5V ~ 9V (10VMAX), can be powered separately;
~ The module provides short circuit (short circuit VM and VIN), which can conveniently use one power supply (must be 4.5V ~ 9V) to complete the drive and control of the motor at the same time;
Logical operating current Iss: ≤ 60mA (Vi = L), ≤ 22mA (Vi = H);
Driving part operating current Io: ≤ 1.2A;
Maximum power dissipation: 4W (T=90°C)
Control signal input level: high level: 2.3V ≤ VIH ≤ VIN; low level: -0.3V ≤ VIL ≤ 1.5V
Working temperature: -25 ° C ~ +125 ° C
Drive form: dual high power H-bridge drive
ESP12E Dev Kit control port: D1, D3 (A motor); D2, D4 (B motor)
Module weight: about 20g
l When inserting an ESP-12E module, pay attention to the direction of the antenna and the direction of the expansion board.
l With the shorting module, the control board and the motor can be powered at the same time.
ESP-12E expansion board: 1 block