Microchip ATmega168PA-AU SMD IC Round Button DPST Switch This is a - SMD

This is a - SMD Resistor with a resistance of 150 ohm (150E)

1200 V Reverse Voltage and High Reliability

Brown for these 300E resistors

These are Carbon Film Resistor with a value of 13k ohm 1/8W and tolerance of ±5%

SS24 has overvoltage protection

Microchip ATmega168PA-AU SMD IC Round Button DPST Switch This is a - SMDThe ATmega168PA is a low power, CMOS 8 bit microcontroller based on the AVR enhanced RISC architecture. By executing instructions in a single clock cycle, the devices achieve CPU throughput approaching one million instructions per second (MIPS) per megahertz, allowing the system designer to optimize power consumption versus processing speed. The high performance Microchip Pico Power 8 bit AVR RISC based microcontroller combines 16 KB ISP flash memory