The Serial TTL connector we deserve
3 days ago
- #serial debugging
- #embedded hardware
- #DIY electronics
- Using USB-Serial TTL adapters for embedded device debugging exposes bootloaders and diagnostics, but typical setups with Dupont wires are unreliable and unsafe.
- The author proposes Julet connectors, used in e-bikes, as a better standard for serial TTL connections due to their sturdiness, availability, and waterproof rating.
- A specific setup using M6 Julet connectors with color-coded wires (red for RX, black for TX, blue for GND) and conventions for easy, plug-and-play assembly.
- Strain relief with zip ties and flexible ground wire handling improves reliability and ease of use in enclosures.
- The system allows for backward compatibility and future expansion with larger Julet connectors for different voltage levels like 5V or lower logic.