Quad Channel Relay Board is a simple and convenient way to interface 4 relays for switching application in your project. Features Input supply 12 VDC @ 170 mA  Output four SPDT relay  Relay specification 5 A @ 230 VAC  Trigger level 2 ~ 5 VDC  Berg pins for...

In this series of tutorials SteveQuinn show us how easy is to build a IoT Ethernet Device using ESP8266-01 WiFi module and how interface BMP085 barometric sensor, DS1307Z RTC, ILI9431 and log the data on a SD card. As mentioned, this Instructable is split into two parts. Part (A)...

Christer Weinigel did a teardown of OWON SDS7102 oscilloscope. He explained how its internals are connected, ported Linux to its Samsung SoC in the scope, succeeded in getting its peripherals working, and set to work programming the Xilinx FPGA that’s responsible for signal...

A self-igniting candle implemented using AVR and PIC microcontrollers. This project has two variations, one using an ATTiny25, the other using a PIC12LF1822. In a series of minimalistic devices, this electronic candle periodically measures ambient light levels. Once it detects...

In this tutorial you will learn how to drive a 8x8 led matrix using MAX7219 display driver IC. In this instructable I'm going to show you how to Interface with LED matrix using an Arduino and MAX7219 IC, this project can be used to make low resolution images using LEDs. This project...

Konstantin Dimitrov shows us how to build a contactless OLED thermometer using Arduino and MLX90614 infrared sensor. Hello, everyone ! Today I'm going to show you how to make a contactless OLED thermometer with Arduino UNO and Infrared temp sensor MLX90614 in 5 minutes. This project...

This instructable shows how to test an ESP board on bread board without soldering, especially for ESP-07 and ESP-12(E) and may be ESP-03. ESP8266 Bread Board Testing -...

Open-source sensor beacon platform designed especially for makers, developers and IoT companies. Some of the features are: Easy to use IoT and Bluetooth 5 ready Filled with sensors (it can work as a weather station!) Affordable Attractive design and last but not...