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.
Diodes Incorporated BAV99W-7-F is a fast recovery rectifier diode with 2 elements in series connected, center tap configuration. It has a max reverse recovery time of 0.004 us and can handle a max output current of 0.15 A. Ideal for applications requiring fast switching capabilities and operating temperatures ranging from -65 to 150 °C.