![](https://habrastorage.org/getpro/habr/post_images/ac9/049/70e/ac904970e14a8d8687cd1dedae164c83.jpg)
魔术烟雾(也称为“电子仙女”或“半导体精灵”)是魔术腐蚀性烟雾,世界上所有微电路都使用该魔术烟雾,直到发生过热而产生过多的电负载,并永久性地将其从微电路中愤怒移除,此后,停止工作。
Digispark,ESP-01和Arduino pro mini 3.3V不能承受不平等的斗争
step-down MP1584EN, — .
, digispark.
, " " — 78M05 , :
![](https://habrastorage.org/getpro/habr/post_images/6bd/f2a/44d/6bdf2a44dd9bc664c4a7c70089b5cfb7.jpg)
, - 35 , 28 — !
, ~10 .
, , step-down (, Digispark ;-), 330 .
.
" " 12- ESP-01:
![](https://habrastorage.org/getpro/habr/post_images/694/d3e/570/694d3e570b87a983d0241077e37ff516.jpg)
— ams1117 ( 1.5W)
LM317 TO220 — .
— MP1584EN :
![](https://habrastorage.org/getpro/habr/post_images/e78/239/9f3/e782399f33c34d06f4ec8d0b69240efd.jpg)
step-down — 0.3 ( 0.1 )
, ESP-.
.
LDO- ( — 0.1 — ~0.1)
AMS1117 ~0.5 5 .
LDO-, — 6 300
, " " (STM32) USB — c , Arduino Pro Mini 3.3V, 5.5???
![](https://habrastorage.org/getpro/habr/post_images/e10/dde/082/e10dde0824912f111e718dccf7bdfce0.jpg)
3.3 TTL
, - MIC5205 (KB33,LB33, KBAA) 20.
- , 12 ?
was surprised, -, 15 — !
, 12 ( , 14.8), step-down .
Arduino Pro mini 3.3 , .
KB33, LB33, KBAA, L0RA, L0RB, LG33 — 15-19
, " " — 4B2X 52RL .
"" AMS1117 .
PRO Mini 5V KB50 , 20.
!
, , !
, .