Introduction

This is a temperature control module, it’s named digital temperature controller(w1209) for it uses a water proof DS18B20 to measure the temperature and a 3-bit digital tube to display the temperature, there’s a relay used to control the electrical circuit, three buttons for setting the temperature.

Technical data

Temperature control range: -50 to 110 ℃

Temperature measurement accuracy: 0.1 ℃

Temperature input: NTC (10K 0.5%) waterproof temperature sensor

Backlash accuracy: 0.1 ℃

High-temperature protection: 0 to 110 ℃

Input voltage: DC 12V

Refresh rate: 0.5s

Display: three red 0.28-inch digital tube

Dimensions: 49mm x 40mm x 15.8mm (L * W * H)

Package list

W1209 High-precision Digital Thermostat Incubator Temperature Controllerx1

Waterproof temperature sensor x 1

Resource

Program

Schematic

Datesheet