Collaborate Disseminate
If there’s one thing we like better around here than old, obscure displays, it’s old, obscure displays with no documentation that need a healthy dose of reverse engineering before they …read more Continue reading Old Dot-Matrix Displays Give Up Their Serial Secrets
Measuring a voltage is pretty easy: just place your multimeter’s probes across the relevant pins and read the value. Probing currents is a bit trickier, since you need to open …read more Continue reading Hackaday Prize 2023: Pi Pico Measures Volts, Amps and Watts
[Irak Mayer] has been exploring IoT applications for use with remote monitoring of irrigation control systems. As you would expect, the biggest challenges for moving data from the middle of …read more Continue reading Supercon 2022: Irak Mayer Builds Self-Sustainable Outdoor IoT Devices
We know, we know. Generally speaking, you should try and switch your household devices over to rechargeable cells rather than using disposable alkaline batteries. But while they might seem increasingly …read more Continue reading Battery Analyzer Puts Alkaline Cells to the Test
If you are dealing with solar or battery power, you might want to have one of these little energy meters built by [Open Green Energy] around. The Arduino-based instrument measures DC voltage, current, power, energy, capacity, and temperature. The range is only up to 26 volts and 3.2 amps, but …read more
Continue reading Versatile Energy Meter Has Multiple Functions