[SEN0203] replacement part for PPG sensor

If you've lost the small black light shields (sometimes referred to as light protection or light barriers) for the SEN0203 sensor, you may be able to order replacements directly from the manufacturer or distributor. Here are some steps you can take:

1. **Contact DFRobot**: DFRobot is the manufacturer of the SEN0203 sensor module. You can visit their official website or contact their customer support directly.

2. **Check DFRobot's Online Store**: DFRobot often sells replacement parts and accessories for their products through their online store. Search for "SEN0203" or browse their sensor categories to find replacement parts.

3. **Inquire About Replacement Parts**: Reach out to DFRobot's customer support via email or their support portal. Explain that you need replacement light shields for the SEN0203 sensor. Provide any specific details or part numbers if available.

4. **Consider Alternative Sources**: If direct from DFRobot isn't an option, check with authorized distributors of DFRobot products. They may also carry replacement parts or be able to order them for you.

5. **Community Forums or Marketplaces**: Sometimes, hobbyist communities or online marketplaces (like eBay or Amazon) may have sellers offering spare parts for sensors like the SEN0203. Be cautious and ensure the parts are genuine if purchasing from third-party sources.  https://www.oemstron.com/

By contacting DFRobot directly, you'll likely get the most reliable and accurate information regarding availability and ordering of replacement light shields for your SEN0203 sensor module.