KEMET C1210C104K5RACTU is a ceramic capacitor with 0.1uF capacitance, rated for 50V. It has X7R temperature characteristics and ±10% tolerance, suitable for surface mount applications in a wide temperature range from -55°C to 125°C. Its compact rectangular package makes it ideal for various electronic devices.
BSS138K-13 by Diodes Inc. is a N-channel FET with 50V DS breakdown voltage, ideal for switching applications. It features single configuration with built-in diode, operating in enhancement mode. With 3 terminals and 0.31A max drain current, it offers high performance in small outline package style.
ATMEGA328P-AU by Microchip: 8-bit RISC CPU, 20 MHz clock, 23 I/O lines. Ideal for industrial applications with SPI, TWI, USART connectivity and low power mode. Features include 2048 RAM bytes, 1024 EEPROM size, and 16384 ROM words.