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The #RISCV #CH32V203 version of my Pocket CO2 sensor is coming along. The schematic is nearly complete and I hope to order my first PCBs this weekend. Lots of sensors and soldering challenges. The parts so far:
- CH32V203F8P6 (64K FLASH / 20K SRAM, 144Mhz)
- SCD4x CO2 sensor
- LSM6DS3 6DOF IMU
- LTR-390 UV/Visible light sensor
- RV-3032-C7 low power RTC
- 3x high power white LEDs (flashlight)
- TP4057 battery charge controller
- 128x128 Sharp Memory LCD
- 2x push buttons
- 2x status LEDs