block· Machines & Other Blocks
Block Change Detector is a block from SecurityCraft, crafted from Any Iron Ingot, Redstone Torch, and Username Logger.
Crafting using Any Iron Ingot, Redstone Torch, Any Iron Ingot, Any Iron Ingot, Username Logger, Any Iron Ingot, Any Iron Ingot, Any Iron Ingot and Any Iron Ingot, arranged in the pattern shown. Produces Block Change Detector.
Crafting 
Block Change Detector guaranteed| source | count | drop rate | conditions |
|---|---|---|---|
| Block Change Detector | 1–1 | 100% | Survives Explosion |
Drop rates are per-roll probabilities, not absolute find rates — actual odds of finding an item also depend on structure generation and loot pool weights.
Drops itself when broken.
securitycraft:block_change_detectorsecuritycraftsecuritycraftminecraft:blocks/dragon_immune minecraft:blocks/mineable/pickaxe minecraft:blocks/wither_immune
Recipe JSON (1):
{
"recipe_type": "minecraft:crafting_shaped",
"pattern": [
"IRI",
"ILI",
"III"
],
"ingredients": {
"I": {
"tag": "forge:ingots/iron"
},
"L": {
"item": "securitycraft:username_logger"
},
"R": {
"item": "minecraft:redstone_torch"
}
},
"conditions": [],
"sequence": null,
"group_name": null,
"experience": null,
"cooking_time": null
}