battery

Single cell 5 A Li Ion battery charger with MaxCharge™ technology

Single-cell 5-A Li-Ion battery charger with MaxCharge™ technology

TI’s new bq25890, bq25892, and bq25895 5A chargers with TI’s MaxCharge™ technology charge your mobile device faster while keeping your device cooler. The switch-mode chargers can charge a 1-S Li-Ion cell to 80% capacity in 30 minutes, while traditional devices only reach 30%. The I2C-controlled chargers’ high efficiency and thermal management result in the fastest, […]

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Flexible fast charging aluminum ion battery offers safer alternative to lithium ion

Flexible, fast-charging aluminum-ion battery offers safer alternative to lithium-ion

Researchers at Stanford University have created a fast-charging and long-lasting rechargeable battery that is inexpensive to produce, and which they claim could replace many of the lithium-ion and alkaline batteries powering our gadgets today. The prototype aluminum-ion battery is also safer, not bursting into flames as some of its lithium-ion brethren are wont to do.

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Gameboy battery upgrade

Gameboy battery upgrade

I bought recently on yahoo auctions a set of 4 gameboys (1 brick, 2 colors and 1 pocket 1st gen) because I had a plan to hack them and I needed some guinea pigs. I have already 2 at home but … well, it was a total of 1,500 JPY (10 euro w/ delivery) so.

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nodemcu

Running NodeMCU on a battery

Running NodeMCU on a battery: ESP8266 low power consumption revisited Over the last year I have standardised on the ESP8266 for all my small IoT projects. Its low price, ease of use (now that the Arduino IDE is available), tiny size and built in Wi-Fi makes it a compelling option. Using Wi-Fi is a convenient way to link

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