The 74HC595 shift register provides 8 outputs from the use of only three digital pins on an Arduino. Multiple 74HC595 shift registers can be chained together, and still only consume three digital pins ...
JMRI WIRELESS ECO SYSTEM INTRO 1 JMRI WIRELESS ECO SYSTEM INTRO 2 MQTT MESSAGE BROKER SETUP MQTT MOSQUITO MESSAGE AUTHENTICATION BROKER SETUP MQTT MOSQUITO MESSAGE BROKER PYTHON SCRIPT SETUP MQTT ...
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