A WiFi (Wireless Fidelity) is a technology that uses the 2.4GHz UHF and 5GHz SHF ISM radio bands to allow devices such as computers, smartphones, digital cameras, tablet computers, etc. to network. Nowadays the WiFi technology is being used by cities to provide free or low-cost Internet access to residents. The WiFi is inexpensive and […]
Wearable WiFi Detector Read More »
Update! Here is a post with the BOM for the project. Sometime ago I came across the Arducam Mini which is quite a nice camera module from UCTronics. It is a small PCB with a two megapixel OmniVision OV2640 sensor, an interchangeable lens and an FPGA to do the heavy lifting of image processing and JPEG
Building a low cost wifi camera Read More »
A few months ago, Andreas presented a nice version of the “throwie” (a LED packed with a small battery that you can throw & see shining for hours) using an ESP8266 instead of a LED : a “wifi throwie”. He could not make it work with button cell batteries (the ESP8266 draws too much current)
Wifi throwie : improved version – faster, smaller, cheaper Read More »
Lantronix xPico WiFi module may be already familiar to you from our articles, for example: xPico WiFi is a dream come true for producers and customers where we also mention the HW compatibility with the xPico module ( wired, serial-to-Ethernet modul). New version – xPico WiFi SMT brings the same functionality as xPico WiFi and
xPico WiFi SMT doesnât require connector neither antenna Read More »
A while back I started working on a solar charge controller, it was based on a PIC microcontroller, a 20×4 characters display and the code was written in Assembly language. It did work well and was still working when I decided I wanted to add more to this controller. My new controller uses a standalone
Arduino solar charge controller + output control and data logging online with Xbee WiFi Read More »
