ARDUINO

THE ORIGINAL ROBOT FISH TUTORIAL

https://www.open-electronics.org/robofish-create-your-robot-fish-with-arduino/

Smooth On Silicon: Amazon (not affiliate)

SERVO TUTORIALS

https://www.brainy-bits.com/control-multiple-servos-with-joystick/

DIY SERVO FROM DC MOTOR

http://www.instructables.com/id/DIY-Servo-Motor/ This is the one with the circuit download
https://bayesianadventures.wordpress.com/2014/01/04/diy-servo-motor-cheap-and-with-plenty-muscle/ This has the arduino code

RF

https://howtomechatronics.com/tutorials/arduino/arduino-wireless-communication-nrf24l01-tutorial/

Bluetooth

https://howtomechatronics.com/tutorials/arduino/arduino-and-hc-05-bluetooth-module-tutorial/

https://electropeak.com/learn/interfacing-hc-06-bluetooth-wireless-module-with-arduino/

https://howtomechatronics.com/tutorials/arduino/how-to-configure-pair-two-hc-05-bluetooth-module-master-slave-commands/

L298 12V DC Motor Driver

https://howtomechatronics.com/tutorials/arduino/arduino-dc-motor-control-tutorial-l298n-pwm-h-bridge/

https://www.teachmemicro.com/use-l298n-motor-driver/

MPU-6050 Gyroscope

https://www.hackster.io/Nicholas_N/how-to-use-the-accelerometer-gyroscope-gy-521-6dfc19

http://dummyscodes.blogspot.com/2014/07/mpu6050-gy-521-breakout-arduino-mega.html

http://www.instructables.com/id/Arduino-MPU6050-GY521-6-Axis-Accelerometer-Gyro-3D/

GPS

https://www.maxphi.com/arduino-gps-tutorial-get-longitude-and-latitude

https://randomnerdtutorials.com/guide-to-neo-6m-gps-module-with-arduino/

https://www.teachmemicro.com/arduino-gps-tutorial/

SONAR

https://www.allaboutcircuits.com/projects/measure-distance-with-a-sonar-sensor-on-an-arduino/

Lewansoul LX-16A Serial Digital Servos

http://www.buildlog.net/blog/2017/09/lewansoul-lobot-lx-16a-serial-servo-review/

https://www.ez-robot.com/EZ-Builder/Plugins/view/39 

https://www.ez-robot.com/Community/Forum/Thread?threadId=10643

MISC RESOURCES

https://www.brainy-bits.com/ - Awesome maker website just a guy doing cool stuff.