TinyCharger – Single Cell Li-Ion Battery Charger with Monitoring
Power

TinyCharger – Single Cell Li-Ion Battery Charger with Monitoring

TinyCharger is an ATtiny25/45/85-based, single-cell Li-ion battery charger with selectable charging current limit (100mA - 1000mA) and an OLED display for monitoring. For battery charging the TP4056 is used. The TP4056 is a complete constant-current/constant-voltage linear charger for...

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Lipo Charge/Boost/Protect board in 18650 cell holder format
Power

Lipo Charge/Boost/Protect board in 18650 cell holder format

Peter6960 published a new build: So couple months ago, GreatScott made a video where he designed a circuit. Nothing too innovative, just the same TP4056 charger the MT3608 Boost combined on one PCB. He did add a Lipo protection circuit though, initially using the same DW01. But then,...

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TP4056 3V3 Load Share Upgrade
DIYPowerPower supply

TP4056 3V3 Load Share Upgrade

A lot of project are battery powered and some of them need dual battery links. Robert on hackaday.io had shared his new project that shed light on this issue. He built an load sharing addon board with the ability to charge the battery while the project is operating. Many Chinese...

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ATMEGA328 based Weather Station
Mcu

ATMEGA328 based Weather Station

Vlad @ denialmedia.ca has build a solar powered weather station based on ATMega328 microcontroller that is able to measure temperature, a humidity, and UV radiation and it uploads measurement on WeatherUnderground network. The data are send to the air using a 433MHz link. The...

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