Project curve tracer – progress update
Mcu

Project curve tracer – progress update

Jason Jones has been working on a curve tracer project and shows us his June progress: As the hardware is at the point of initial release, but the firmware and GUI aren’t quite there yet, I decided that it would be prudent to split off the firmware and GUI components into their own...

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Designing a mains frequency monitor
Mcu

Designing a mains frequency monitor

Dan Watson writes: This is the second in a series of posts about designing a mains frequency monitor using the Microchip PIC 16F1619 microcontroller. In this post we will take a look at the first revision of the board that I designed for the project and some of the features that it...

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Running NodeMCU on a battery
Mcu

Running NodeMCU on a battery

ESP8266 low power consumption revisited: Using Wi-Fi is a convenient way to link your newly created IoT device into your existing IT infrastructure – including cloud services – but it also has a drawback. Wi-Fi’s demand for power usually makes battery operation impractical...

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Piggybacking OLED display on WeMos D1 Mini
Mcu

Piggybacking OLED display on WeMos D1 Mini

Daniel Eichhorn build a mini OLED display weather widget using WeMos D1 Mini board. Inspired by Mike Rankin’s (@mikerankin) beautiful crossovers between an ESP8266 ESP-01 and an 0.96 Inch OLED I2C display I decided to try if there wasn’t an easy hack to marry the two components...

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Development board for PIC16F1938
Mcu

Development board for PIC16F1938

Raj over at Embedded Lab has designed a development board for PIC16F1938: The PIC16F1938 is a versatile 28-pin MCU belonging to Microchip’s extreme low power microcontroller family featuring nanoWatt XLP technology, 28KB of programming memory, 1KB of RAM, 11 ADC channels, and...

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Easy IoT weather station with multiple sensors
Mcu

Easy IoT weather station with multiple sensors

user Ingenerare @ instructables.com published a tutorial on a IoT weather station based on NodeMcu board, DHT11/22 sensor, BMP180 sensor, Rain sensor, Light sensor. In this tutorial, I will walk you through the steps to build an easy and cheap IOT weather station. The retrieved data...

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DIY WiFi Outlet using ESP8266
Mcu

DIY WiFi Outlet using ESP8266

This tutorial will show you how to build an internet controlled outlet using ESP8266 wifi module. In this instructable, I will take you along on my journey of building this WiFi Outlet. DIY WiFi Outlet using ESP8266 -...

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Getting Started with OPENOCD Using FT2232H Adapter for SWD Debugging
Mcu

Getting Started with OPENOCD Using FT2232H Adapter for SWD Debugging

Yahya tipped us with his latest tutorial about flashing EFM32 MCUs with OpenOCD using FT2232H adapter. Old MCUs from vendors like ATMEL and MICROCHIP, like the PIC16F and Atmega family, tend to have a special programming interface to program internal flash. For example, Atmega used...

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