Overview Based on Raspberry Pi CM4, use CM4 to reproduce the original appearance of the 3B series as much as possible, more cost-effective choice. Onboard 4-ch USB ports, Gigabit Ethernet port, headphone jack and PoE pin etc., Raspberry Pi CM4 To 3B Adapter is an alternative solution for Raspberry Pi 3 Model B/B+. Features Onboard standard CM4 connector, support access to CM4 Lite / eMMc series boards with Quad Core Cortex A72 64-bit processor, more powerful performance. Easily compatible with the interfaces of Raspberry Pi 3B / 3B+ boards.
Onboard headphone jack (extended from USB). Onboard 4-ch USB ports, compatible with USB 2.0 / 1.1 transmission. Onboard RJ45 Gigabit Ethernet port, 10 / 100 / 1000 M adaptive. Onboard PoE header, for connecting PoE HATs. DSI interface is DSI1. Micro USB port is for power supply and for programming images USB SLAVE. Please do not connect to other devices when programming the image by micro USB so as to ensure that CM4 can be powered on normally. When using CM4, you need to provide 5V/4A to CM4.
Otherwise, it may power off, lower frequency, etc. USB 2.0 is close by default, if used dtoverlay=dwc2, dr_mode=host should be added in config. txt. It only supports 5V fan. (12V is not supported. ) Please check it before connecting the fan, and note that the speed of the 5V fan cannot be adjusted without a controller. Package Content CM4-to-Pi3-Adapter x1 Screws pack x1
NOTE: Development Resources and Technical Support are provided, please feel free to contact us if you have any problem!