The DS3231SN is a low-cost, extremely accurate I²C real-time clock (RTC) with an integrated temperature-compensated crystal oscillator (TCXO) and crystal. The device incorporates a battery input, and maintains accurate timekeeping.
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.
These epitaxial planar transistors are mounted in the TO-126 plastic package. The NPN types are the BD135 and BD139, and the complementary PNP types are the BD136 and BD140.
IRF3808 75V 140A Single N-Channel HEXFET Power MOSFET in a TO-220. This Advanced Planar Stripe HEXFET ® Power MOSFET utilizes the latest processing techniques to achieve extremely low on resistance per silicon area
This is a 2-Bit Bidirectional Voltage Level Translator I2C IIC Level Module CJMCU-0102 TXS0102.This two-bit non-inverting translator can be used to provide digital switching compatibility between mixed-voltage systems because it is a bidirectional voltage