Bluetooth 2.0 UART slave module. Simpler than HC-05, slave mode only.
Bluetooth 2.0 UART bridge module. Master and slave modes, pairs with phone.
Dual DC motor driver, 1.2A per channel. MOSFET H-bridge, more efficient than L293D.
High-current stepper driver, 2.5A per coil, up to 1/32 step. A4988 compatible layout.
Microstepping stepper motor driver. 2A per coil, up to 1/16 step. Used in 3D printers.
Dual H-bridge motor driver with built-in flyback diodes. 600mA per channel.
1A Li-Ion battery charger IC. USB input, programmable current, charge status LEDs.
Boost DC-DC converter, 2V-24V input, up to 28V output, 2A. Boost modules.
Low-dropout LDO regulator, 1A. Fixed 3.3V/5V versions, SOT-223 package.
Buck switching regulator, 3A output. Much more efficient than LM7805 for high currents.