Máy chiết rót dung dịch V1

*For those who are too lazy to build it themselves, you can order it from me for 1 million VND. *Required components: Plastic box x 1 piece 230 x 150 x 85 mm x 1 piece https://tinyurl.com/4bfa3fzf Arduino nano x 1 piece https://tinyurl.com/5n8978h5 PCB board x 1 piece https://tinyurl.com/4mcjtxzh LM2596 step-down circuit x 1 piece https://tinyurl.com/bdehfkur 12V pump x 1 piece https://tinyurl.com/mukcwbxv Silicone tubing https://tinyurl.com/3tum2ems Female connector Power domino Switch Female power jack https://vn.shp.ee/DbpdDJAP https://vn.shp.ee/p2pZWvhy *Contact: Subscribe to the channel:    / @rcmanvn   Facebook fanpage: https://www.facebook.com/rcmandiy/?mo... Support the channel to give me more motivation to make more videos: *ViettelPay: MB Bank (Military Bank) Account name: NGUYEN THE TIEN Account number: 9704229299488119 ViettelPay QR code https://drive.google.com/file/d/1gUs1... *Paypal: https://paypal.me/nguyenthetien?local...