Quantity   Component name
1 × ATmega328P-PU https://lcsc.com/product-detail/ATMEL-AVR_ATMEL_ATMEGA328P-PU_ATMEGA328P-PU_C33901.html
1 × 16Mhz Crystal Oscillator https://lcsc.com/product-detail/Radial-Cylinder-Crystals_Yangxing-Tech-X206016MSD2SC_C2174.html
1 × LM7805CV Linear Regulator https://lcsc.com/product-detail/Linear-Voltage-Regulators_STMicroelectronics_L7805CV-DG_L7805CV-DGThick-heat-sink_C3795.html
2 × Capacitor 22 pF https://lcsc.com/product-detail/Ceramic-Disc-Capacitors_Dersonic-CC1H220JA1FDCH4B10MF_C254096.html
2 × Capacitor 10 uF https://lcsc.com/product-detail/Aluminum-Electrolytic-Capacitors-Leaded_Capxon-International-Elec-KF100M050C110A_C59316.html
2 × Resistor 220 ohm https://lcsc.com/product-detail/Carbon-Film-Resistors_220KR-224-5_C120111.html
1 × Resistor 10kOhm https://lcsc.com/product-detail/Carbon-Film-Resistors_Uniroyal-Elec-CFR0W4J0103A50_C61299.html
1 × Momentary Switch https://lcsc.com/product-detail/Tactile-Switches_XKB-Enterprise-TC-1102-C-A-B_C381010.html
2 × LED https://lcsc.com/product-detail/Light-Emitting-Diodes-LED_Emerald_C99761.html