Vdc
DC
Vac
AC
⏚
GND
🔋
Bat
R
Resistor
C
Cap
L
Inductor
@@
Transfrm
Ω
Pot
☀
LDR
🌡
Therm
/
Switch
⚏
Relay
D
LED
➜
Diode
N
NPN
NM
NMOS
Op
OpAmp
555
Timer
µC
MCU
!
NOT
&
AND
≥1
OR
💡
Lamp
M
Motor
8.
7-Seg