When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
The chip has built-in 400 KB SRAM, 384 KB ROM, 8KB RTCSRAM, built-in 4MB Flash and also supports external Flash. Bluetooth-compatible:BLE 5.0 standard. Onboard RGB interface:IO5 is connected to RGB blue LED; IO3 is connected to RGB red LED; IO4 is connected to RGB green LED; IO19 is connected to cool color lamp beads; IO18 is connected to warm color lamp beads (high level effective).
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.