Mini Coin Vibration Motor RCD0820 1.5-3.7V

8 mm diameter, 2 mm thick brushed coin vibration motor rated 1.5–3.7 V (3 V nominal), 50 mA, ~11,000 RPM vibration frequency. Two bare wire leads (red +, blue −), 2.5 cm length; no external moving parts.

Logical pinout · physical placement not verified

M+
Positive motor terminal. Connect to the motor supply rail; do not exceed the motor variant's maximum rated voltage.
Type · PowerVoltage · 3.3
M-
Negative motor terminal. Switch this side through the transistor/MOSFET; emitter/source goes to ground.
Type · Signal
CTRL
GPIO control signal to transistor base or MOSFET gate through an appropriate resistor. Supports PWM for variable intensity.
Type · GPIO

Pin	Type	Function	Voltage
M+	Power	Positive motor terminal. Connect to the motor supply rail; do not exceed the motor variant's maximum rated voltage.	3.3
M-	Signal	Negative motor terminal. Switch this side through the transistor/MOSFET; emitter/source goes to ground.
CTRL	GPIO	GPIO control signal to transistor base or MOSFET gate through an appropriate resistor. Supports PWM for variable intensity.

Logical pinout · physical placement not verified

Pin details

3 connections

M+
Positive motor terminal. Connect to the motor supply rail; do not exceed the motor variant's maximum rated voltage.
PowerVoltage · 3.3
M-
Negative motor terminal. Switch this side through the transistor/MOSFET; emitter/source goes to ground.
Signal
CTRL
GPIO control signal to transistor base or MOSFET gate through an appropriate resistor. Supports PWM for variable intensity.
GPIO

Start wiring

Wide input · Wired

Verify supply voltage and logic levels before powering up.

Module pins: M+. Schematik maps them to your board in the app.

DC motors

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