You need for a Furnace:
1x Beacon
1x Hopper
1x Furnace

To create a furnace type /chunkloader or /cl and look at the beacon.

View attachment 796310
You need for a Sender:
1x Trapped Chest
1x Hopper
1x End Rod

To create a sender type /sender or /sc and look at the chest. Then put in the item you want to use as a frequency.

View attachment 796311
You need for a Receiver:
1x Trapped Chest
1x Hopper
1x End Rod

You need for a BreedingStation 1x Dispenser 1x Hopper 1x Redstone Lamp 1x Coarse Dirt

To use the Breeding Station give in the Dispenser food for the Animal, activate the Dispenser and 2 Animals in Range (default 3) will be breed

You need for a BreedingStation 1x Dispenser 1x Hopper 1x Redstone Lamp 1x Coarse Dirt

To use the Breeding Station give in the Dispenser food for the Animal, activate the Dispenser and 2 Animals in Range (default 3) will be breed

You need for a FarmingStation:
1x Dispenser
1x Hopper
1x Redstone Lamp
1x Farmland or Soul sand

To use the farming station activate the dispenser and add a Seed