Because of laziness, the schematic diagram comes from [Verified successfully] CP2102 USB to TTL scheme verification board - Lichuang EDA open source hardware platform (oshwhub.com) . Thanks again to the author of the schematic diagram @acha
**Prototypes have not been made yet, but it seems that there is no big problem and it will be verified within 2 weeks. Update after verification (2022.04.24)
Simultaneous invitations also include sample quotas and CP2102 IC partners for simultaneous sample verification.
The improvements to the original design are as follows:
1. Modify the diode to common size
2. USB direct plug is very unfriendly to desktop users, so it has been modified to a more convenient Type-C interface.
3. Re-layout the PCB to make it more compact and easy to carry
*4. Adding a duck that is less prone to bugs on the PCB increases the pass-through rate of drawing PCB and writing programs by 20,000%.
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