BIT4 is a 4Bit microcontroller - fully programmable with only three buttons. The BIT4 microcontroller has 256 Bytes of programm memory, split in 16 pages with each 16 instructions. A instruction is 8bit wide and consists of an command and data: To enter the programming mode, hold...

It detects stationary and moving people just like a PIR, but it can do that also behind doors and thin walls, by taking advantage of the Doppler effect. By Boris Landoni @ open-electronics.org: The detection of people, animals and hot bodies in general has been done for years using...

The Omega2 LTE is a Linux IoT computer with Wi-Fi and LTE cellular connectivity. Effortlessly deploy your existing IoT applications in remote areas and no longer be limited by the range of Wi-Fi networks. The Linux network stack makes the switch between WiFi and cellular data seamless...

This is Version 2.0 of the Xboard. The main improvement is that it now operates at 5V, making it compatible with most sensors and I2C protocol without the need of a voltage level converter. The XBoard is a unique Arduino board which features a WIZnet ethernet port, an XBee socket, and...

The MAX17262X evaluation kit (EV kit) from Maxim Integrated Products is a fully assembled and tested surface-mount PCB that evaluates the stand-alone ModelGauge™ m5 host-side fuel-gauge IC for lithium-ion (Li+) batteries in handheld and portable equipment. This EV kit supports a...

The new OWON XDS3064 4-in-1 digital storage oscilloscope is a reliably measurement tool for a really good price. The colorful 8" (20.3 cm) TFT  LCD panel with the resolution of 800 × 600 allows an excellent readability of the wave, especially in regards to high data volume or many...

"Nick Bild" has built a custom 6502-based computer that anyone could replicate.  Get the parts listed in the bill of materials, open the Fritzing diagram, start plugging in and wiring chips, and you can have your own Vectron 64 in a weekend! It may seems a little complicated on the...

Spectra brings open source biomedical imaging into the open with a development kit that is both safe and easy to use. It allows hackers and scientists to experiment with one of the technologies used in medical imaging — electrical impedance tomography (EIT). For the first time, anyone...