蓝猫淘气

T12 Project

Overview

ESP32 T12 soldering station

The project is copied from the Zhuque T12 soldering station

1. Main changes

1. Main changes to the software part

1. Use PID control during temperature calibration

During temperature calibration, the original program heats when the current ADC is lower than the target ADC, and stops heating when it is higher than the target ADC. Use PID approach parameters instead

2. Modify the fitting algorithm

The original program fits the temperature curve y = f(x), x is the ADC value, y is the temperature, and f() is the polynomial. Change to fit V = E(T _sense ) - E(T _ref ), T _sense is the hot end temperature, T _ref is the cold end temperature, V is the thermoelectric potential, and E() is the thermocouple characteristic curve

2. Installation instructions

Screws and copper pillars:

Double-pass copper pillar M3*14×4
Single-head copper pillar M3*6+6×4
Padded screw M3*5×8
Double-pass copper pillar M2*10×2
Round head screw M2*5×4

3. Instructions for use

1. Power supply

DC 24V4A, 12V2A, 5.5*2.5 plug. Can use 19V laptop power supply

Voltage U	Current I = U/R	Maximum power P = U²/R
12V	1.50 A	18W
13 V	1.63A	21W
14 V	1.75 A	25 W
15 V	1.88A	28W
16 V	2.00A	32W
17 V	2.13A	36W
18 V	2.25A	41W
19V	2.38A	45W
20V	2.50 A	50W
21 V	2.63A	55W
22 V	2.75 A	61W
23 V	2.88A	66W
24 V	3.00A	72W

2. Temperature calibration

Prepare a thermometer to measure the soldering iron tip temperature

Enter 校准温度the interface and turn the knob to adjust设定ADC

After adjusting 设定ADCthe temperature of the soldering iron tip to stabilize at the target temperature, press the knob

Calibrate 150°C, 200°C, 250°C, 300°C, 325°C, 350°C, 375°C, 400°C, 425°C, 450°C in sequence

4. Physical pictures

Design Files

ESP32T12.zip

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Update:2025-05-08 15:20:59

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