products recommended on r/buell
SOCAL-LED LIGHTING 3-Pin CF14 CF-14 EP35 Speed Adjustable Strobe Electronic LED Flasher Relay for Fix Turn Signal Bulbs Hyper Flash Issue
automotive

evermotor Motorcycle Turn Signals Led Rear Light Flashing 12v Universal Blinkers with Waterproof Aluminium Alloy shell for Scooter Ebike Electric Motorcycle Utv(2 pcs)
automotive

CP2102 USB to TTL Serial Adapter Cable, USB 2.0 to UART Converter 4 Pin (TXD RXD GND 5V), 3ft/95cm Long, 3.3V TTL Signal for Arduino, Raspberry Pi, ESP8266, ESP32
