This is a DC-DC Step Up Red Color Boost Module with enable high-performance step-up switching current (BOOST) module. The module uses the second generation of high-frequency switching technology LM2577.
The XL4005 is a 5A DC-DC Adjustable Step Down Module Power Supply Converter. This product is a 180 KHz fixed frequency PWM buck (step-down) DC/DC module with high efficiency, low ripple and excellent line and load regulation.
The 2N7000, 2N7002, NDS7002A, 7002 is an N−channel enhancement mode field effect transistors are produced using ON semis proprietary, high cell density, DMOS technology.
The driver module can directly drive four DC motor, 4WD drive car on the chassis of choice. Drive battery, motor current up to 1A smart car only four 100-300mA is sufficient to meet the control needs.