Seperated From https://github.com/h-v-smacker/technic/tree/master/technic/machines/HV

compressor.lua

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+-- HV compressor
+
+minetest.register_craft({
+	output = 'technic_hv_extend:hv_compressor',
+	recipe = {
+		{'technic:carbon_plate',          'technic:mv_compressor',   'technic:composite_plate'},
+		{'pipeworks:tube_1',              'technic:hv_transformer', 'pipeworks:tube_1'},
+		{'technic:stainless_steel_ingot', 'technic:hv_cable',       'technic:stainless_steel_ingot'},
+	}
+})
+
+technic.register_compressor({tier = "HV", demand = {1500, 1000, 750}, speed = 6, upgrade = 1, tube = 1, modname="technic_hv_extend"})

electric_furnace.lua

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+-- HV Electric Furnace
+-- This is a faster version of the stone furnace which runs on EUs
+-- In addition to this it can be upgraded with microcontrollers and batteries
+-- This new version uses the batteries to lower the power consumption of the machine
+-- Also in addition this furnace can be attached to the pipe system from the pipeworks mod.
+
+minetest.register_craft({
+	output = 'technic_hv_extend:hv_electric_furnace',
+	recipe = {
+		{'technic:carbon_plate',          'technic:mv_electric_furnace',   'technic:composite_plate'},
+		{'pipeworks:tube_1',              'technic:hv_transformer',      'pipeworks:tube_1'},
+		{'technic:stainless_steel_ingot', 'technic:hv_cable',            'technic:stainless_steel_ingot'},
+	}
+})
+
+technic.register_electric_furnace({tier="HV", upgrade=1, tube=1, demand={4000, 2500, 1500}, speed=12, modname="technic_hv_extend"})
+

grinder.lua

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+-- HV grinder
+
+minetest.register_craft({
+	output = 'technic_hv_extend:hv_grinder',
+	recipe = {
+		{'technic:carbon_plate',          'technic:mv_grinder',   'technic:composite_plate'},
+		{'pipeworks:tube_1',              'technic:hv_transformer', 'pipeworks:tube_1'},
+		{'technic:stainless_steel_ingot', 'technic:hv_cable',       'technic:stainless_steel_ingot'},
+	}
+})
+
+technic.register_grinder({tier="HV", demand={1200, 900, 600}, speed=6, upgrade=1, tube=1, modname="technic_hv_extend"})
+

init.lua

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+local modname = minetest.get_current_modname()
+local path = minetest.get_modpath(modname)
+
+dofile(path.."/electric_furnace.lua")
+dofile(path.."/grinder.lua")
+dofile(path.."/compressor.lua")

mod.conf

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+name = technic_hv_extend
+depends = technic