Aha~ I think we can discuss the platform and devices.
When I joined the Petoi, the NyBoard V0_2 was under mass production and V0_3 was evaluating. And I'm trying to port the OpenCat to the ESP32 platform.
But I think there're some disadvantages of NyBoard we're selling. After discussing with RZ, we re-designed the whole NyBoard V0 to V1.
1. We removed the Nyboard overclocked bootloader, change it to UNO's bootloader. It's much easier to use. You can use NyBoard V1 as an ordinary Arduino development board.
2. Safety enhancement. 3-way independent power sources. Anti-reverse circuits, diodes and fuses are added.
3. Scalability. We added 4 grove sockets and 2.54mm pins. We added LEDs. We added WiFi and Bluetooth modules. We want to make it more fun.
Some improvements are been cancelled:
1. For more hardware resources, use ATMega328PB and ATMega4809 instead of ATMega328PA. There's none official bootloader support.
2. Bluetooth/USB combo modules. Not stable and too many switches.
Still in evaluation:
1. STM32 version. We're optimizing and integrating libraries.
2. ATsamd21 (Arduino M0), waiting for a stable USB-CDC driver for the Arduino.
@Alex Young Thanks for your work!
I think you can try our WiFi module as the intelligence processor (we call it application processor， AP). 160MHz/80KB RAM/4MB Flash is faster than the ATMega328P. Or you can transfer data to Pi with a WiFi connection.
For the flash storage limit, we cannot add an extra serial protocol to NyBoard V1. We're still optimizing the code to make room for the protocol in HEX like this:
| packet header | sender | receiver | payload | CRC |.
But it's not easy to understand by beginners. So we still use protocols in chars.
A host program developed with Qt that controls the NyBoard has nearly finished development and under testing.
@Gero We just finished mass production and testing BiBoard. A little late because of the Chinese new year and lack of chips. Now they are on the way to the backers! We also re-designed the BiBoard (not the same as the green one). Adding a strong 5V-5A max power to support Raspberry Pi 4 or further model.
A secret "sandwich" model is in our progress.
Maybe is the Pi compute module with EMMC and the Pi pico.
