Arduino Two-Way Bluetooth Communication Tutorial


https://www.electronics-lab.com/arduino-two-way-bluetooth-communication-tutorial/

Welcome to another Arduino Tutorial! Today we are going to learn how to use Bluetooth to exchange data between two Arduino boards! As a demonstration project, we are going to build a simple weather station. There is a lot to cover so let’s get started! Arduino Two-Way Bluetooth Communication Tutorial – [Link]

Design and Implementation of a 12 Lead Portable ECG


https://www.electronics-lab.com/design-implementation-12-lead-portable-ecg/

Alex Lao and his team at McMaster University have developed a compact, battery powered, 12-lead electro-cardiogram: During the academic year of 2016-2017 at McMaster University, in conjunction with Dr. DeBruin, Christina Riczu, Thomas Phan and Emilie Corcoran, we developed a compact, battery powered, 12-lead electro-cardiogram. The project won 1st place in the biomedical category at […]

Haasoscope – Cheap, flexible, data acquisition for all!


https://www.electronics-lab.com/haasoscope-cheap-flexible-data-acquisition/

Haasoscope is the first open-source, open-hardware, flexible, small, cheap, oscilloscope and data-acquisition board. You can use the stock firmware for basic oscilloscope functionality, or modify the firmware to customize what the Haasoscope does. Preliminary features and specifications: 4 x 100 MHz, 8-bit ADC channels with BNC cable inputs Altera Max10 FPGA with 8k logic elements […]

Arduino Weather Station using DHT11


https://www.electronics-lab.com/arduino-weather-station-using-dht11/

Using a display to view the temperature and humidity of your environment can be possible using the DHT11 or DHT22 sensor with the easy to use Arduino microcontroller platform and that’s the goal of this project. For this project, we will be using the 16×2 LCD display module to display the temperature and humidity readings […]

Arduino Weather Station using DHT11


https://www.electronics-lab.com/project/arduino-weather-station-using-dht11/

Introduction Using a display to view the temperature and humidity of your environment can be possible using the DHT11 or DHT22 sensor with the easy to use Arduino microcontroller platform and that’s the goal of this project. For this project, we will be using the 16×2 LCD display module to display the temperature and humidity […]

Teardown, Repair & Analysis of an Agilent E4443A 3Hz – 6.7GHz PSA Series Spectrum Analyzer


https://www.electronics-lab.com/teardown-repair-analysis-agilent-e4443a-3hz-6-7ghz-psa-series-spectrum-analyzer/

In this episode Shahriar repairs an Agilent PSA Series Spectrum Analyzer. The instrument generates many errors during self-alignment and produces no measurements below 3.2GHz. The block diagram of the unit is thoroughly presented and various possible failure points are considered. Based on the observation of the noise floor, the most likely cause is the second […]

Decoding and Encoding JSON with Arduino or ESP8266


https://www.electronics-lab.com/decoding-encoding-json-arduino-esp8266/

In this blog post you’re going to learn how to decode (parse a JSON string) and encode (generate a JSON string) with the ArduinoJson library using the Arduino with the Ethernet shield. This guide also works with the ESP8266 and ESP32 Wi-Fi modules with small changes. Decoding and Encoding JSON with Arduino or ESP8266 – […]

Electronics Cheat Sheet Poster


https://www.electronics-lab.com/electronics-cheat-sheet-poster/

A quick reference in learning and debugging your electronics projects. Click to “download” the full resolution image + a bonus poster. or download ZIP file. “Amirhossein Amini” has re-designed the above poster in Corel Draw and the source file can be downloaded here or PDF download.

App note: Implementation of a single-phase electronic watt-hour meter using the MSP430AFE2xx


https://www.electronics-lab.com/app-note-implementation-single-phase-electronic-watt-hour-meter-using-msp430afe2xx/

Another energy meter from Texas Instruments using MSP430AFE2xx. (PDF) This application report describes the implementation of a single-phase electronic electricity meter using the Texas Instruments MSP430AFE2xx metering processors. It includes the necessary information with regard to metrology software and hardware procedures for this single chip implementation. App note: Implementation of a single-phase electronic watt-hour meter […]

WINXI – Arduino ZERO M0 Stick


https://www.electronics-lab.com/winxi-arduino-zero-m0-stick/

WINXI – arduino ZERO Pro M0 compatible stick, RGB led, Micro SD, AtSamD21E18. Arduino zero pro compatible board with USB programming suitable for experienced users. WINXI – Arduino ZERO M0 Stick – [Link]