Raspberry Pi User Help

Trouble getting sg-90 servo to work with R-PI 4

I have read several answers and approaches to controlling an SG-90 servo with a raspberry pi and I have tried the following approaches, with varying but never satisfactory results. Wiring Setup: Servo + to 5V external power Servo – to external ground External ground connected to R-PI ground R-PI PIN 13 (BCM 27) to servo […]