Simple sketch using M5 StickC for counting stepper motor RPM. Sensor using laser and laser detector. Connect laser detector signal to pin 33. Modified from other sketch, there are some unused display related codes.
Making some change to specification before release… Disclaimer Products are developed from extension of my hobby, and little amount is hand-made and sold for other hobbyists. Since they are hand-made by me, there may be initial failure, poor quality in soldering, lack of quality in design, etc. Recommended to use for hobby purpose Please read and understand specification of this product, and test before using. I will hold no responsibility for any damage or harm caused by the use of this product. Description Useful tool based on ESP32 for developing ATMega328 microcomputer such as Arduino UNO, Nano. Have following features. Write / fix Bootloader Fuse Check setting Set fuse (bootloader …
I2C connection Monochrome OLED display is very handy to use. Easy wiring and various libraries provided, such as Adafruit GFX, u8glib, u8g2lib. Monochrome bitmap can also be displayed. You need to prepare bitmap image and convert to hex data. There are tools you can download, but I couldn’t find one that is easy to use. So, I’ve created easy-to-use tool to convert bmp file to hex data (for Windows). Built with Visual Studio / C++. Use freely, no support, use at your own risk. Simply create bitmap file with MS paintbrush for example, save as 24bit bmp file. Launch tool, drag and drop bmp file to tool. You get hex …