HeartyPatch is an Open Source Wireless ECG Patch Powered by ESP32 WiSoC (Crowdfunding)

Smart health gadgets will soon have a bigger part to play in our lives, especially for health monitoring. It mainly started with fitness trackers, but now we are starting to see connected devices such as blood pressure monitors, including the upcoming watch like Omron HeartVue, thermometer, scales, vital sign monitoring systems, certified medical SBC‘s to allow engineers to developer their own medical applications, and even open source surgical robots. HeartPatch is one of those medical board that specifically aims at measuring ECG data, and sent it over Bluetooth or WiFi thanks to Espressif ESP32 WiSoC. HeartPatch specifications: SoC – Espressif Systems ESP32 dual core Tensilica LX6 processor with Wi-Fi/Bluetooth ECG Chip – Maxim MAX30003 analog front-end USB – 1x micro USB connector for programming, data, power, and battery charging Debugging – USB-UART bridge based on CP2104 Misc – Onboard Snap-on Buttons for disposable electrode pads, RGB LED, Battery – 450 […]

USBCEE Tiny-PAT Board Helps Testing USB-C Power Adapters (Crowdfunding)

USB power delivery allows for up to 100W charging using 20V @ 5A through a USB type C port, and the specifications also mandate supports for various voltages between 5V and 20V. However, some USB-C power adapter that not be fully compliant with the specifications, potentially risking to damage your device. USBCEE Tiny-PAT board has been created in order to test such power adapters to make sure they are compliant with USB PD 2.0/3.0 specifications. Tiny-PAT board features and specifications: Supported USB Spec Version – PD 2.0 / PD 3.0 Max Voltage: 24 V Max Current: 5 A Max Power: 100 W USB type C receptacle Misc – Fail and Pass LEDS, S4 mode button, through holes for VBUS & GND Power Consumption: ~10 mA (may vary based on voltage) Dimensions – 35 x 20 mm By default, the board will test all power rules advertised by the power adapter, […]

Husarion CORE2 STM32 Board for Robotics Projects Works with ESP32, Raspberry Pi 3, or ASUS Tinkerboard

Husarion CORE2 is a board designed to make robotics projects simpler and faster to complete with pre-configured software and online management. Projects can start using LEGOs, before moving to 3D printed or laser-cut version of the mechanical parts without having to spend too much time on the electronics and software part of the project. Two versions of the board are available: CORE2 combining STM32 MCU with ESP32 WiFI & Bluetooth module, and CORE2-ROS with STM32 instead coupled to a Raspberry Pi 3 or ASUS Tinkerboard running ROS (Robot Operating System). Both solutions share most of the same specifications: MCU -STMicro STM32F4 ARM CORTEX-M4 MCU @ 168 MHz with 192 kB RAM, 1 MB Flash External Storage – 1x micro SD slot USB – 1x USB 2.0 host port with 1A charging capability; 1x micro USB port for debugging and programming via FTDI chip Expansion Headers hRPi expansion header for CORE2-ROS […]

μduino May Be the World’s Smallest Arduino Board (Crowdfunding)

OLIMEXINO-85S may have held the title of the world’s smallest Arduino (compatible) board for the last few years, being barely bigger than a micro SD card as it measures about 16.9 x 12.7 mm, but there’s a new mini champion in town with μduino board measuring just 12 x 12 mm. μduino board specifications: MCU – Microchip Atmel ATMEGA32U4 8-bit AVR microcontroller @ 16 MHz with 2,560 bytes of RAM, 32KB flash, and 1024 bytes of EEPROM (Arduino Leonardo compatible) I/Os 6x Analog I/O ports 14x Digital I/O ports (including Rx/Tx) including  7x PWM 1x Analog reference voltage port 1.27mm pitch Programming / Debugging – 1x micro USB port; 6-pin ICSP programming ports (load custom bootloaders, program other boards, etc) Misc – Status LED, reset button Power Supply – 5V via micro USB port; 5V voltage regulator (accepts up to 16V DC);  2x 5V ports;  2x ground ports Dimensions – 12x […]

HealthyPi Raspberry Pi HAT Measures ECG, Body Temperature, and Oxygen Saturation (Crowdfunding)

Bangalore based ProtonCentral has launched the third version of Healthy Pi, a vital sign monitor using the Raspberry Pi as its computing and display platform, and capable of measuring body temperature, oxygen saturation, and ECG/respiratory data. Healthy Piv3 board specifications: MCU – Atmel ATSAMD21 ARM Cortex M0 MCU, compatible with Arduino Zero Vital Signs Chips ECG and respiration front-end –  TI ADS1292R 24-bit analog front-end with SNR of 107 dB Pulse oximetry – TI AFE4490 Pulse Oximetry front-end with integrated LED driver and 22-bit ADC Temperature – Maxim MAX30205 digital body temperature sensor for skin temperature sensing Expansions Headers and Ports 1x 40-pin header to connect to Raspberry Pi 2x 3-pin connectors for temperature and BP/GLUCO DB9 connector for finger-clip Spo2 probe 3.5mm jack for ECG cable and probes 1x UART connector for an external blood pressure module USB – 1x micro USB port for power and programming Debugging – […]

Hornbill ESP32 Development Boards Come with an Optional IP67 Rated Enclosure (Crowdfunding)

While there are plenty of ESP32 development boards, and prices have recently plummeted, getting a case for your project can still be a problem especially if you plan to use it outdoor, as you need to protect your hardware from rain and dust. Hornbill project offers two ESP-WROOM-32 based boards, a prototype board, and an IP67 certified case that could be useful for outdoor use. Hornbill ESP32 Development Boards Let’s start by checking the boards available starting with ” Hornbill ESP32 Dev” board with the following specs: ESP-WROOM-32 module with WiFi, Bluetooth LE,  FCC, CE, IC, MIC (Telec), KCC, and NCC certifications I/O headers 2x 19-pin headers with GPIOs, I2C, UART, SPI, ADC, DAC, touch interface, VN/VP, 5V, 3.3V and GND Breadboard-friendly Debug – Built-in CP21XX USB-to-serial Power Supply – 5V via micro USB port, battery header + single cell LiPo charger Dimensions – TBD ESP32 Minima is also based […]

MacroFAB FX Development Board is an Open source Audio Electronics Prototyping Platform (Crowdfunding)

A couple of years ago, I wrote about a Linux multi-effects guitar pedal, and if you are interested in such audio projects, another company called MacroFab, specializing in manufacturing & assembling PCBs & electronic device, has now designed open source FX development board for audio electronics prototyping, that can be used for audio effects “guitar” pedals, and let you design your own tones. Key features of FX development board: Potentiometers 9V battery holder ¼” Input and output jacks connected to breadboard True bypass 3PDT switch User selectable power supply connections Dual solderless breadboards with power rails selectable by jumpers Adjustable 9 V power supply Power supply with 2.1 mm dc input jack for use with AC-to-AC wall wart; +/- 15 volt @ 200 mA power supplies with over-current protection; +1.25 to 9 V @ 150 mA adjustable power supply; Split voltage rail (1/2*9 Volt Rail) @ 15 mA for use […]

SonikTech e-Paper Shield Starter Kit Relies on Teensy LC MCU Board

Soniktek Electronics has designed the “e-Paper Shield Starter Kit” featuring Pervasive Displays’ E2215CS062 e-paper screen, and an adapter board to connect it to Teensy LC (Low Cost) board powered by NXP Kinetis L ARM Cortex M0+ microcontroller @ 48 MHz, or other 3.3V MCU boards supporting SPI. Adapter board & display specifications: Supports Pervasive Displays 2.15″ E2215CS062 e-paper screen with 208 x 112 resolution, no backlight required, fully sunlight-readable Communication protocol – SPI  @ 3.3V Sensor – On-board thermometer with I2C interface Dimensions – Screen: 48 mm x 26 mm; adapter board fits into Teensy-LC module (36x18mm) The advantages of e-Paper display are that they don’t require power to maintain an image, and they can be read in sunlight, just like actual paper. I can’t remember having seen many – if any – low cost e-Paper development kits so far, and the project is open source hardware with design files and […]