at32f435-board

## goal A small handheld device, with enough free flash, ram, and board space for projects. Between processor and JST connectors there is room to add electronics. Suggested use: - connect your circuit to this board using the JST connectors. - write software using [rt-thread and lvgl](https://github.com/koendv/at32f435-board). - make a copy of this board and put your circuit between processor and JST connectors. ## hardware - Artery (雅特力) [AT32F435RGT7](https://www.arterychip.com/en/product/AT32F435.jsp), 1024 kbyte flash, 512 kbyte ram, 288 MHz. - the first 256kbytes flash is zero wait state. - 280x240 LCD display with capacitive touch - ambient light sensor to set LCD brightness - SD card. - 16 MByte external SPI flash. - EEPROM for storing settings. - battery backup for the real-time clock. - One full-speed USB, 12 MBit/s. - CAN bus, 1 Mbit/s. - JST connectors for GPIO, I2C, SPI and CAN. ## software The software is [rt-thread os](https://www.rt-thread.io/) with [lvgl graphics](https://lvgl.io/). Download the software from [github](https://github.com/koendv/at32f435-board).