{
  "format": "evn-blocks",
  "version": 1,
  "needs": "nothing but the board (its LED and battery).",
  "workspace": {
    "blocks": {
      "languageVersion": 0,
      "blocks": [
        {
          "type": "controls_repeat_ext",
          "x": 20,
          "y": 20,
          "inputs": {
            "TIMES": {
              "shadow": {
                "type": "math_number",
                "fields": {
                  "NUM": 10
                }
              }
            },
            "DO": {
              "block": {
                "type": "evn_led",
                "fields": {
                  "ACTION": "toggle"
                },
                "next": {
                  "block": {
                    "type": "evn_wait",
                    "inputs": {
                      "TIME": {
                        "shadow": {
                          "type": "math_number",
                          "fields": {
                            "NUM": 250
                          }
                        }
                      }
                    }
                  }
                }
              }
            }
          },
          "next": {
            "block": {
              "type": "evn_led",
              "fields": {
                "ACTION": "off"
              },
              "next": {
                "block": {
                  "type": "text_print",
                  "inputs": {
                    "TEXT": {
                      "block": {
                        "type": "text_join",
                        "extraState": {
                          "itemCount": 3
                        },
                        "inputs": {
                          "ADD0": {
                            "shadow": {
                              "type": "text",
                              "fields": {
                                "TEXT": "battery: "
                              }
                            }
                          },
                          "ADD1": {
                            "block": {
                              "type": "evn_battery_voltage"
                            }
                          },
                          "ADD2": {
                            "shadow": {
                              "type": "text",
                              "fields": {
                                "TEXT": " mV"
                              }
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
            }
          }
        }
      ]
    }
  }
}