NodeMCU + BLYNK + Deep Sleep

[wanek]

hello @saurabh47 !

here is the solution i came up, if interested:

ESP deep sleep

ok, if anyone interested, here is of what i came up in the end. the task was this: [image] this is the whole circuit: 4 lithium cells (not shown), 12v->30v booster, stepper driver, 433mhz rx module, wemos, adjustable voltage divider aka 1Mohm trimpot for battery level monitoring on A0, and other misc components. basically, i’m minimalist, and the empty space on the pcb is not too much. so i’ve opted to use as few hardware components as possible for the standby function. thi…