Raspberry Pi Compute Module 4 is one of the best platforms for enthusiast engineers and manufacturers.Not long ago, we have introduced The smallest carrier board at the timeHowever, new competitors come from @ arturo182 Just appeared, its name is “stamp“.
According to the Twitter feed of the Swedish engineer @arturo182, he is Solder partyToday, we are fortunate enough to obtain the unofficial record of the world’s smallest Raspberry Pi computing module 4 carrier board, which is conveniently named The Stick.
Stick has disconnected a USB-C connector to power the computing module 4, and has several GPIO pins (such as GP2, GP3, GP8, GP9, GP11, GP14, GP15 and regular GND, 3V and 5V pins) Pin assignment. These pins are related to I2C (GP2 and GP3) serial peripheral interfaces (SPI, GP8, 9, 11) and UART Tx and Rx through GP14 and 15. The Stick is only connected to one of the 4 100-pin high-density connectors of the computing module, so we may not be able to access all the functions of the CM4, but for basic use, this is a lot of IO.
The small size of the circuit board poses a problem. Except for the pin connector, it lacks any sturdy mounting mechanism, which provides a friction fit but can be easily removed.It would be a good choice to add M2.5 screw holes to increase safety. Some things exist in MinCab, the smallest breakout board before.
Since the board is just an interesting project, the manufacturer asked the question “Should I sell these?” If there is enough interest, he can start mass production.So be sure to show that you are right Twitter topic And post your thoughts there.