DIY Bottom heating

Hello everyone! In this video we will make the bottom heating for soldering.

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Component references:
1) Soldering iron SH72: http://alli.pub/65dxyf
2) Soldering iron SH72 with power supply: http://alli.pub/65dxwo
3) Lower heaters on Aliexpress: http://alli.pub/65dwjv
4) Bottom heating: http://alli.pub/65duhz
5) Arduino Pro Mini: http://alli.pub/65dvpx
6) OLED display: http://ali.pub/5bt53p
7) max31865: http://alli.pub/65dvwj
8) Thermistor PT100: http://alli.pub/65dw0f
9) Encoder: http://alli.pub/65dw1e
10) SMD Resistor Kit: http://ali.pub/4wxnrf
11) A set of SMD capacitors: http://ali.pub/4zou3o
12) Tantalum Capacitors: http://ali.pub/4wxo2p
13) Optocoupler MOC3023: http://alli.pub/65dw78
14) Optocoupler PC817: http://alli.pub/65dwgk
15) Triac BT137S-600E: http://alli.pub/65dwiw
16) Diode bridge: http://alli.pub/65dxel

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