{
  "format": "evn-blocks",
  "version": 3,
  "title": "Board: minimal",
  "needs": "nothing but the board; you press the user button when it asks",
  "description": "Says the battery voltage, waits for the user button, then lights the LED for a second.",
  "workspace": {
    "blocks": {
      "languageVersion": 0,
      "blocks": [
        {
          "type": "evn_setup_start",
          "x": 30,
          "y": 30
        },
        {
          "type": "evn_program_start",
          "x": 30,
          "y": 115,
          "next": {
            "block": {
              "type": "text_print",
              "inputs": {
                "TEXT": {
                  "block": {
                    "type": "text_join",
                    "inputs": {
                      "ADD0": {
                        "shadow": {
                          "type": "text",
                          "fields": {
                            "TEXT": "battery (mV): "
                          }
                        }
                      },
                      "ADD1": {
                        "block": {
                          "type": "evn_battery_voltage"
                        }
                      }
                    }
                  }
                }
              },
              "next": {
                "block": {
                  "type": "text_print",
                  "inputs": {
                    "TEXT": {
                      "shadow": {
                        "type": "text",
                        "fields": {
                          "TEXT": "press the user button"
                        }
                      }
                    }
                  },
                  "next": {
                    "block": {
                      "type": "evn_wait_for_button",
                      "next": {
                        "block": {
                          "type": "evn_led",
                          "fields": {
                            "ACTION": "on"
                          },
                          "next": {
                            "block": {
                              "type": "evn_wait",
                              "inputs": {
                                "TIME": {
                                  "shadow": {
                                    "type": "math_number",
                                    "fields": {
                                      "NUM": 1000
                                    }
                                  }
                                }
                              },
                              "next": {
                                "block": {
                                  "type": "evn_led",
                                  "fields": {
                                    "ACTION": "off"
                                  }
                                }
                              }
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
            }
          }
        }
      ]
    }
  }
}