Papyr – a Nordic nRF52840 e-paper display board
IoT

Papyr – a Nordic nRF52840 e-paper display board

Papyr is a Nordic nRF52840 epaper display that can be used for various low power wireless applications. It supports both BLE (BLE5, BLE Mesh) and 802.15.4 (Thread, Zigbee). The accompanying Android App will allow you to draw a shape or select and image and send it directly to the...

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ESP32 CoinCell board
Arduino

ESP32 CoinCell board

This is an ESP32 Pico D4 project with an accelerometer and 0.69" oled display powered by a rechargeable LIR2450 coin cell. Source files are available on github.com. Mike Rankin writes: I was not made for any specific purpose and was a design challenge to try and made it as small as...

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NOVASOM’s U5 SBC features NXP iMX6 ULL CPU
SBC

NOVASOM’s U5 SBC features NXP iMX6 ULL CPU

SBC-U5A & SBC-U5C - Credit Card sized SBC (i.MX6 ULL) Novasom Industries' U5 is a small board, approximately credit card size, that consumes little power, but that can do much more than what you think thanks to the ARM core A7 and the optimization of our SW systems. Arrives with...

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4.197
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UV Exposure Box Project with timer
PCB

UV Exposure Box Project with timer

This is a nice build of a small UV exposure box using UV LEDs and Arduino by Elias Zacarias. The details are available on Part 1 and Part 2 posts of his blog.damnsoft.org. Design files are open source and uploaded to github.com. The boards are designed on KiCAD and code is for...

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Amphenol Advanced Sensors SM-UART-04L Laser Dust Sensor
Sensor

Amphenol Advanced Sensors SM-UART-04L Laser Dust Sensor

Amphenol Advanced Sensors SM-UART-04L Laser Dust Sensor offers a 5.5V rating, a 100mA current consumption, and a 3.3V output performance. This sensor detects dust particle concentrations in the air by using an optical sensing method. The SM-UART-04L sensor finds small particles such as...

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3.901
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Insulin Injection Monitor Dosage and Wirelessly Transmits Data to Smartphone
Technology

Insulin Injection Monitor Dosage and Wirelessly Transmits Data to Smartphone

DIABNEXT’s ‘CLIPSULIN’ device attaches to insulin pens and employs Nordic’s nRF52832 SoC to wirelessly send recorded insulin injection data via Bluetooth LE or NFC. Nordic Semiconductor today announces that Taiwan-based DIABNEXT, a healthcare services company, has selected...

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3.645
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Researchers develop thin sensor to detect magnetic fields down to 200nT
Science

Researchers develop thin sensor to detect magnetic fields down to 200nT

A team of researchers from Germany and Argentina have devised an ultra-thin planar Hall effect (PHE) sensor capable of detecting very faint magnetic fields even when flexed or wrapped around a wire. by Julien Happich @ www.eenewsembedded.com In a paper titled “Highly compliant planar...

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Serial Star, a 4 in 1 USB Serial and I2C Converter
USB

Serial Star, a 4 in 1 USB Serial and I2C Converter

Jesus Echavarria @ jechavarria.com has build a 4 in 1 USB Serial converter based on MCP2221A. This board is mainly a USB hub with 4 USB to serial converters. Is like the typical USB to TTL adapter but with one USB port you get up to 4 serial ports. Levels of every converter are...

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