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Electronic craft from the farm: goats with GPS on the road

Because his broken goats have already been spotted at the neighbors, a Swedish farmer and maker has made an Arduino goat tracker. The production of goat milk yogurt is also monitored with a home-made project. To find DIY solutions, instead of buying finished large-scale equipment, Framtida Bruk is on the farm.

Electronics on a table

Prototype for a goat tracker

(Photo: Framtida Bruk)

The home-building solution from Nils Sjöström, who is working on his Arduino projects with his wife Claire, costs only 19 euros in material costs, except for a power bank. The basis of the goat follower is the Arduino Nano, which is expanded with GPS and GPRS modules for location and radio. The SIM800L module makes the project almost a mobile phone, where only data is sent via GPRS. These are evaluated with the cloud service Thingspeak and finally the current goat location is presented in an Android app.

View in a cool box with milk tub, in which a pH meter hangs.

Yogurt from the Klimabox

(Photo: Framtida Bruk)

Sjöström had previously experimented with the electronic monitoring of yoghurt production. Because cheap machines are not automatically switched off, he built his own system. The basis is a climate box from the 90s with Peltier element that can both cool and heat. The condition of goat milk is checked by a pH meter with built-in thermometer. To switch between cooling and heating, an Arduino controls two L298 motor drivers that would otherwise switch DC motors from front to rear. The system is also integrated into a home automation system with Raspberry Pi and regularly sends its status via an NRF24L01 module.

Working with do-it-yourself electronics and their integration into sustainable agriculture is a concern for Sjöströms on her farm. The name & # 39; Framtida Bruk & # 39; initially means & # 39; for future use & # 39 ;, can be translated as wordplay but also as & # 39; modern methods & # 39; or & # 39; future use & # 39 ;.


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