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

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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Temper: Sleek temperature sensor built on ESP8266
Sensor

Temper: Sleek temperature sensor built on ESP8266

Meet Temper, a compact, low power temperature sensor based on ESP8266 and SHT30 with a large 13x7 pixel led display. It accesses WiFi periodically to display temperature and humidity data as well as battery percentage via the MQTT protocol. The device’s display uses three 74HC595 + 7...

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M95M04-DR – 4-Mbit serial SPI bus EEPROM
IC

M95M04-DR – 4-Mbit serial SPI bus EEPROM

The M95M04 devices are electrically erasable programmable memories (EEPROMs) organized as 524288 x 8 bits, accessed through the SPI bus. The M95M04 can operate with a supply range from 1.8 to 5.5 V, and is guaranteed over the -40 °C/+85 °C temperature range. The M95M04 offer an...

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Advantech Launches UNO-247 Fanless Entry-Level Edge Computer for IT Applications
SBC

Advantech Launches UNO-247 Fanless Entry-Level Edge Computer for IT Applications

Advantech, a leading provider of industrial computing platforms, is pleased to announce the UNO-247—a fanless entry-level Internet of Things (IoT) edge computer aimed at information technology (IT) applications. Equipped with an Intel Celeron J3455 processor, comprehensive I/O...

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Kontron presents D3713-V/R mITX motherboard for AMD Ryzen™ Embedded V1000/R1000 processor
SBC

Kontron presents D3713-V/R mITX motherboard for AMD Ryzen™ Embedded V1000/R1000 processor

Ideal for demanding graphics applications in professional casino gaming systems, medical displays, thin clients and industrial PCs through AMD Radeon™ Vega Graphics Kontron, a leading global provider of IoT/Embedded Computing Technology (ECT), will present the D3713-V/R mITX...

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ESP8266 based Online Weather Widget using Wemos D1

ESP8266 based Online Weather Widget using Wemos D1

A few years back I wrote this tutorial on connected weather monitor with plans of creating a 3D printed enclosure to make it portable and easy to use. I never got around doing that but a few days ago, I came across a similar project built by BitsandBlobs, which went as far as creating the...

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Harmonics

Harmonics

Introduction Periodic signals are not always perfect sinusoidal patterns such as presented in one of our previous tutorials about Sinusoidal Waveforms. Sometimes, signals can indeed be a superposition of simple sine waves and they are known as complex waveforms. In this tutorial, we...

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Gumstix Raspberry Pi Zero Battery Board offers two-hour mobility
Raspberry Pi

Gumstix Raspberry Pi Zero Battery Board offers two-hour mobility

Take your Raspberry Pi Zero anywhere with the Raspberry Pi Zero Battery IMU. Add a camera to enable totally wireless video streaming. Charge the two AA batteries by plugging in the Pi Zero to a micro-USB connector. Details: Memory (256Kb I2C Serial Board EEPROM) CAT24C256...

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