.. in the code based on your needs. Figure 5. Assembled PCB. Materials on the topic Datasheet Atmel ATtiny13 Datasheet Dongke Semiconductor DK106 Datasheet Texas Instruments LM78L05 Datasheet First Silicon PC817 Datasheet UMW Si2310 ...
.. U2 are ready and willing, which helps to keep things capaciously and suitably simple! Materials on the topic Datasheet ON Semiconductor MC74AC132 Datasheet Texas Instruments SN74HC4066