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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
DIY 1kW Open Source MPPT Solar Charge Controller
kv4p HT v1.7b
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Bike Fingerprint - PCB
Solar Powered WiFi Weather Station V2.0
iSpndel_4.0
400 Watts Stereo Audio Amplifier Board DIY 2SC5200+2SA1943
Tad Boy Color
Arduino RC engine sound & light controller with inertia simulation for ESP32
SummerCart64 - a fully open source N64 flashcart
Frog Boy Color
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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
DIY 1kW Open Source MPPT Solar Charge Controller
kv4p HT v1.7b
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ZIMBABWE
Green BMS is an open source Smart Battery Management System for Lithium battery Cells.Green BMS project is described in this siteThe Green BMS Android app is available here: Green-BMS App (you ca...
Green BMS Interface board v.0.1
4168
0
1
Sergio Ghirardelli
Sergio Ghirardelli
ITALY
15
11
It use a MCP7386 (U4) for recharging the battery and a LTC3402EMS (U2) for converting the voltage up to 5V.I decide to make it for a little cam recorder that use a raspberry pi zero.The connector make...
A tiny Battery charger 5V 800mA
1218
0
1
davidepost
davidepost
ITALY
0
0
OVERVIEWMax8815 board is Step-up converter based on MAX8815.The project is designed according to MAX8815 data sheet:https://datasheets.maximintegrated.com/en/ds/MAX8815A.pdfThis circuit is useful for ...
MAX8815 step up converter
1564
0
1
Sergio Ghirardelli
Sergio Ghirardelli
ITALY
15
11
This small PCB (55×35) is born to be a general purpose solution for building any kind of compact wireless battery powered sensor or actuator based on MySensors, an ATMega328P (Arduino) and a RFM69 or ...
d-diot multi-purpose IoT pcb
2014
0
0
Francesco Berghi
Francesco Berghi
ITALY
2
0
Hi, today we are building a UPS or backup battery for the router / modem so that it does not turn off if there is a power failure at home.SuppliesMaterials:3x 18650 cellsHolders for 3 cells (3D printe...
DIY UPS (Emergency Battery) for Routers So It Won't Turn Off When the Breakers Are Off
902
1
3
Maurizio Miscio
Maurizio Miscio
ITALY
5
0
Hi guys, welcome to this new tutorial. Today I will show you the easiest way to discharge a Ebike Battery for the winter by using…SuppliesEbike battery (in my case a Fiido D4s one)Lamp holderLamp bulb...
Easiest Way to Discharge a Ebike Battery
951
0
0
Maurizio Miscio
Maurizio Miscio
ITALY
5
0
Hi guys, today let's see together how to balance a battery pack through a very common micro-USB connector or with the traditional methodStep 1: Why Balance MattersWhen charging a battery pack it may h...
How to Balance a Battery Pack With USB or the Traditional Method - TP4056
1077
0
1
Maurizio Miscio
Maurizio Miscio
ITALY
5
0
Hi guys, in this article we will see how to make a very convenient single charger for 18650 cells so that you don't always have to arrange homemade tools like magnets or things like that to hook into ...
Single 18560 Battery Charger With TP4056
807
1
0
Maurizio Miscio
Maurizio Miscio
ITALY
5
0
Adding: -a photovoltaic panel (small, max 12v 2W) -a suitably programmed arduino nano (see library for ina219) -an adafruit module for microsd to save dataYou can use this simple PCB to...
fotovoltaic panel tester
542
0
0
the the.time
the the.time
ITALY
0
0
questo è un mini powerbank vreato da me
Powerbank v0.1
570
0
0
Engineer
Engineer
ITALY
0
0
I builded a Lithium Battery Charger & Booster Module. I used a TP4056 Li-Ion Battery Charger IC and a FP6291 Boost Converter IC. The result is battery module for a single-cell Lithium battery...
Charger 18650 Battery
634
0
0
Engineer
Engineer
ITALY
0
0
