Servo Trigger

Servo Trigger RF Remote
A triple servo trigger with RF remote control.

RF Remote Control

RF Receiver module

Features

• Three Servos
• RF remote controlled
• Learn (remote pair) button
• Retract, Advance, Speed knobs
• Jumper for large/small servo type

Pairing the RF Remote
The RF remotes have an ID code that the Servo Trigger needs to learn in order to operate.

• Press the "LEARN" button; the onboard LED will illuminate.
• On the RF remote control, press the upper left button; the onboard LED will extinguish.
• The Servo Trigger learn mode will time out after 10 seconds if it doesn't see a RF remote signal.

Specifications

• Power supply: 5V to 6V (whatever the servo prefers)
• Dimensions: 44mm x 44mm

Design Documents

Schematic Diagram	ESP32_servo_rf_remote.pdf
PCB Gerbers	gerbers_OB11.zip
Arduino Source Code	Arduino.ino

Parts List

J1-J3	3	.1" 1x3 header	Servo connector
J4	1	.1" 2 pin JST	Power connector
J5	1	.1" 2x4 header	RF Module
RV1-RV3	3	10K trimpot	Knobs
SW1	1	small button	Tactile switch for setup
U1	1	ESP32-C3	Microprocessor
PCB	1	OB11	Printed circuit board

Build Pictures

Breadboard development

Boards from PJRC

Finished Board