M5Stack ATOM – Smallest ESP32 Development Board for Portable Embedded and IoT Projects
IoT

M5Stack ATOM – Smallest ESP32 Development Board for Portable Embedded and IoT Projects

The ESP32-based M5Stack ATOM from Espressif is the smallest (24 x 24mm) development board available in the market, which is designed for portable embedded systems and IoT development projects. M5Stack is the most cost-effective product due to its small size and there is no battery...

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Espressif Next Gen ESP32-S2 SoC and family goes into Mass Production
IoT

Espressif Next Gen ESP32-S2 SoC and family goes into Mass Production

Back in 2019, Espressif announces the launch of ESP32-S2 SoC, which was an upgrade of the regular of ESP32 but targetted for security-focused applications. Unlike the typical ESP32, this new SoC comes with an array of new features. Fasttrack to February 2020, Espressif has announced...

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NIXLER: limited edition nixie tube clock
Timer

NIXLER: limited edition nixie tube clock

The NIXLER is being built as an open-source project and designed with the DIYer in mind. I've included a USB to UART chip directly on the board making the NIXLER easy to reprogram. This together with the onboard ESP32 microcontroller with wifi/bluetooth, enables full customization. Hook...

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ESP32 LoRa Sensor Monitoring with Web Server (Long Range Communication)
Arduino

ESP32 LoRa Sensor Monitoring with Web Server (Long Range Communication)

I’m a big fan of the ESP32 boards because of the number of communication options they managed to squeeze on the board, but I became more impressed recently when I came across the TTGO LoRa32 development boards which adds LoRa to the onboard communication features of the ESP32. The...

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Inkplate 6 is a programmable Kindle e-paper display
LCD/OLED

Inkplate 6 is a programmable Kindle e-paper display

If you have ever wondered if there could be a better use for old Kindle screens, then you have to check out the new e-paper display made by e-radionica. The Inkplate 6 is made from recycled Amazon kindle screens. E-paper or electronic paper is an invention which has provided a solution...

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Arduino library to draw text and graphics on BLE Thermal Printers
Arduino

Arduino library to draw text and graphics on BLE Thermal Printers

BitBank Software, Inc., written by Larry Bank, bitbank@pobox.com This Arduino library allows you to easily generate text and graphics and send them to a BLE thermal printer. Since there are many different BLE APIs depending on the board manufacturer, I decided to support the more...

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The i.MX RT Family Makes for Some Feature Filled Feathers!
Arduino

The i.MX RT Family Makes for Some Feature Filled Feathers!

Thanks to a host of useful feather wings and shields, the Adafruit Feather form factor is becoming a very popular one with a host of other boards now based on it, offering not only the shape and size but also pin compatibility to allow the use feather addons like the FeatherWings and...

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1434
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LoRa Mesh Chat
IoT

LoRa Mesh Chat

A simple add-on for mobile phones to enable SMS-like messaging in a group when outside cell coverage, or in disaster scenarios. This is a fairly simple add-on for mobile phones to enable SMS-like messaging in a group when outside cell coverage, or in disaster scenarios. It utilises...

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2778
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