About pico:
Have you set also the SPI speed?
dtoverlay=mipi-dbi-spi,spi0-0,speed=70000000
You need the clock and the speed parameter.
The battery indicator only works with tmux.
This is what the my new board looks like.
The GPIO socket on the side of the PicoCalc is as follows:
1. 3.3V
2. GP2(PicoCalc) — GP4(RasPi) I2C SDA
3. GP3(PicoCalc) — GP5(RasPi) I2C SCL
4. GP4(PicoCalc) — GP14(RasPi) UART Tx or NC
5. GP5(PicoCalc) — GP15(RasPi) UART Rx or NC
6. NC
7. NC
8. GND
And the UART is as follows:
In other words, I’ve made it possible to experiment with I2C and UART using the GPIO on the side of the PicoCalc.
Also, since I’ve made it possible to output UART signals to the PicoCalc’s USB-C port, communication with a PC is possible via a USB cable.
SPI can be tested by adding wiring.
I’ve written a blog post about this board and the installation of “picocalc-pi-zero-2 [by wasdwasd0105]”.
It’s written in Japanese, but it can be translated into English or other languages through some translation function, so it might be strange English, but it’s probably decipherable.
-The following describes the dedicated board mentioned above and the manufacturing request.
-The following describes the installation of “picocalc-pi-zero-2 [by wasdwasd0105]”.
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Yeah I followed your github and it matches. Just couldnt figure out how to add the battery percentage to tmux. Also for some reason after following the instructions on the poweroff it shuts down but my picocalc still stays on.
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Ok. Is Pico-8 Framerate ok?
Battery:
Have you made ~/bin/battery executable and tested it?
Is there any status bar in tmux?
For this tmux must be running.
tmux set-option status on
Poweroff:
Have you made the script /usr/local/bin/picopoweroff executable?
sudo chmod +x /usr/local/bin/picopoweroff
If you execute it you should see a punch if enter and a shutdown. (Not save to shutdown a running linux system) It takes some seconds.
picopoweroff
I have updated the Github side for poweroff. Thanks for your input!
I got Pico 8 running on the 64-bit! I played Terra, Sonic, Pico World Race, and P.Craft 
Here’s a video review/tutorial:
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Anyone managed to get the Pi Zero 2 to read/write the Picocalc board sdcard slot?
