Makers and Arduino enthusiasts searching for a project to keep them busy this weekend may be interested in this awesome Arduino Fibonacci clock created by maker “TecnoProfesor”. may look a little complicated to read the time but once you know how to read it the Fibonacci clock is a great talking piece. Check out the […]
Arduino Fibonacci clock Read More »
The 18650 cell has become a ubiquitous standard in the lithium battery world. From power drills to early Tesla vehicles, these compact cells power all manner of portable devices. A particularly common use is in laptop batteries, where they’re often built into a pack using the Smart Battery System. This creates a smart battery that
PACKPROBE REPORTS LAPTOP BATTERY HEALTH Read More »
PandwaRF, is a portable low-power RF device that captures, analyses and re-transmits RF signals via an Android device or a Linux PC. It uses Bluetooth (BLE) or USB connection to transmit data in a simple and fast way, comes in the form of a controllable housing from a smartphone or a computer. This pocket-size device
PandwaRF, A Portable Radio Analysis Tool Read More »
So the pi zero is cool, retro gaming is cool, im really not cool, but i thought ‘what the hell!!’ Im not overly fond of ‘rats nest’ wires, and i have a bit of an obsession with making things as small as possible, so this is what i came up with. tis just an ili9341
Pi Zero Gameboy = GameBoy Zero Read More »
Ideation I build connected sensors, which are often deployed in local parks where there is no access to utility power. Over the past couple years, I have been refining and testing my solar power modules, and have arrived at this compact integrated design. I have a number of these deployed and they have been in
Solar Power Module v2 Read More »
The Design Idea in Figure 1 indicates a low-battery condition in an audio test instrument that is powered by four AA cells. As the instrument was otherwise an all-discrete design, this same approach seemed more in keeping with the spirit of the project than the use of a single-sourced integrated circuit. A garden-variety red LED
Simple circuit indicates a low battery Read More »
Gamers, coders and electronic enthusiasts looking to own a pocket sized open source handheld games console may be interested to know that the Adafruit PyGamer is now available priced at $39.95. Offering a small games console that can be coded using MakeCode Arcade, CircuitPython or Arduino. The PyGamer is powered by the ATSAMD51, with 512KB of flash
PyGamer open source handheld games console $39.95 Read More »
This tiny board designed to drive bidirectional DC brushed motor of large current. DC supply is up to 50V DC. A3941 gate driver IC and 4X N Channel Mosfet IRLR024 used as H-Bridge. The project can handle a load up to 10Amps. Screw terminals provided to connect load and load supply, 9 Pin header connector
50V – 10A Bidirectional DC Motor Driver Using A3941 Read More »
What is it? This is a small (0.5 x 0.5 inch) breakout board for Texas Instrument’s BQ25504 Ultra Low Power Boost Converter with Battery Management for Energy Harvesting Applications. From the datasheet: “The bq25504 device is the first of a new family of intelligent integrated energy harvesting nano-power management solutions that are well suited for
BQ25504 Solar Cell LiPo Charger Read More »
Roadie Tuner is a dream come true for guitarists! The automatic ring tuner, that is quick, easy to use, and three times more accurate than the human ear, is dedicated to beginner guitarists who are almost always frustrated with not knowing how to tune their guitar. This ultimate musician’s tool works on all string instrument
Tune Your String Instruments Perfectly With Roadie Tuner Read More »
