// actuator
SG90 Micro Servo
9g micro servo, 180° rotation
€2.50
avg eur
no image
PWM
Pins
3
Specs
5
Libraries
2
Protocols
1
// wiring → esp32 devkit v1
3V3
EN
GPIO36
VP
GPIO39
VN
GPIO34
GPIO35
GPIO32
GPIO33
GPIO25
GPIO26
GPIO27
GPIO14
GPIO12
GND (brown)
GND
Signal (orange)
GPIO13
ESP32
WROOM-32
devkit v1
USB
VIN
5V
VCC (red)
GND
GPIO23
GPIO22
SCL
GPIO1
TX0
GPIO3
RX0
GPIO21
SDA
GPIO19
MISO
GPIO18
SCK
GPIO5
SS
GPIO17
TX2
GPIO16
RX2
GPIO4
GPIO2
GPIO15
sensor pin (left)
sensor pin (right)
unused
// pinout → esp32
| Sensor Pin | ESP32 Connection |
|---|---|
| VCC (red) | 5V (external rec.) |
| GND (brown) | GND |
| Signal (orange) | GPIO 13 (PWM) |
// technical specs
Torque
1.8 kg·cm @ 4.8V
Speed
0.1s/60°
Rotation
0–180°
Voltage
4.8–6V
Pulse
1–2 ms @ 50 Hz
// github libraries
// notes & warnings
Plastic gears — fragile under load. Don't power from ESP32 3.3V; use 5V supply with shared GND. Avoid stalling.
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