Meanwell RD85A (5V, 12V) 85W Dual Output Switching Power Supply 6A 250V SPDT Rocker Black Switch For better performance

For better performance

5k ohm 1/2W and tolerance of ±5%

To find A we use

The code that is available for your existing ATmega328 variants will continue to work on the new ATmega328PB device

This is the TLP626-2 IC optocoupler manufactured by Toshiba

Meanwell RD85A (5V, 12V) 85W Dual Output Switching Power Supply 6A 250V SPDT Rocker Black Switch For better performanceRD 85A series is a 85W Dual output enclosed type power supply with 38mm of low profile design. The AC input is 88~264VAC which could be directly supplied from the house supplied voltage. The output Voltages from SMPS will be +5V, +12V. The SMPS has high efficiency up to 78%, the design is of metallic mesh case which enhances the heat dissipation of RD 85A that the whole series operates from 25C through +70C. RD 85A has complete protection functions