esp32blockly/src/blocks/categories/i2c.js

export const i2cCategory = {
  kind: 'category',
  name: 'I2C',
  colour: '200',
  contents: [
    { kind: 'block', type: 'i2c_init', fields: { CH: '0' } },
    { kind: 'block', type: 'i2c_scan', fields: { CH: '0' } },
    { kind: 'block', type: 'i2c_writeto', fields: { CH: '0' } },
    { kind: 'block', type: 'i2c_readfrom', fields: { CH: '0' } },
    {
      kind: 'block',
      type: 'tcs34725_read_colours',
      fields: {
        CH: '0',
        ADDR: 41,
      },
    },
  ],
};