The TTL -> USB programming cable is a must - have for connecting Grin's electronic devices like Cycle Analyst, Phaserunner, Baserunner, and Satiator to your computer. It enables you to make setting changes and install firmware updates with ease. The cable is 3m long, so you can reach your bicycle even when the computer is not nearby. It has a 0 - 5V level serial data signal on the TRRS port. Using an authentic FTDI USB to Serial chipset, it ensures reliable performance. On most OS platforms, the drivers are automatically downloaded. Moreover, it comes with protection circuitry against high voltage, shorts, and static electricity. Download the user manual for complete details.

Using the Grin TTL - USB Programming Cable is simple. First, connect one end of the cable to your Grin electronic device, such as the Cycle Analyst or Phaserunner. Then, plug the other end into your computer's USB port. The drivers will automatically download on most operating systems. You can then start making setting changes or installing firmware updates on your device. When using it, keep it away from high - voltage sources to avoid damaging the protection circuitry. Also, try to prevent short - circuits and static electricity. For maintenance, just keep it clean and store it in a dry place when not in use. If you need more information, refer to the user manual.