This is a compact temperature, humidity, and barometric pressure sensor assembly kit. ■ Features - Almost no soldering is required. Assembly and disassembly are easy, and all parts can be reused. - The microcontroller is shipped with the program already written. It can be used immediately after assembly. - The program source code is available. Feel free to improve or modify it. Please refer to the link for related information. ■ Kit Contents - Microcontroller RP2040-Zero x 1 - Pin header 9P x 2 - Pin header 5P x 1 - Mini breadboard 170H x 1 - OLED module 0.96" 128x64 SSD1306 x 1 - Temperature, humidity, and barometric pressure sensor module AHT20+BMP280 x 1 - Pin header 4P x 1 - Tact switch 6x6mm x 2 - Jumper wires 10 types x 2 each - Parts case 55x55x20mm x 1 ■ Caution Touching the surface of the sensor element on the sensor board may contaminate the sensor and prevent accurate measurement of temperature, humidity, and barometric pressure. Please be careful. ■ Assembly Solder the included pin headers to the following parts: - Microcontroller - Temperature, humidity, and barometric pressure sensor module Attach each part to the breadboard and connect them with jumper wires. Refer to the wiring diagram for connection details. ■ How to Use Power the device via the USB port of the microcontroller. It periodically measures temperature, humidity, and barometric pressure and displays them on the display. The display pattern changes with button operation. ■ Related Information * https://github.com/bbmaniax/RP2040-Thermohygrometer ※ Please be sure to read the profile before purchasing, as it contains information about discounts, shipping methods, etc.