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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
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espthings.io - ET-P1101 ESPHome Panasonic Climate Interface
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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
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ZIMBABWE
TinyUPS is a simple 5V/2.5A uninterruptible power supply with a li-ion battery as a buffer, a load sharing power path management system and an ATtiny13 for monitoring power supply and battery charge l...
ATtiny13 TinyUPS SMD
2034
4
7
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
547
40
Using IP5306 lithium battery charge and discharge chip and PT4115LED constant current driver IC, it can charge and discharge 18650 battery and can also be used as LED lamp. The red circle 1 is th...
18650 lithium battery LED light
2750
2
6
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
547
40
Key Features:Solar-Powered Operation:The weather station is equipped with a solar panel, exemplifying eco-friendly functionality. This feature ensures sustained and autonomous operation, making it ide...
Esp32 Solar Weather Station-V1
1167
3
4
Daniel Scalzo
Daniel Scalzo
UNITED STATES OF AMERICA
1
0
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
3513
0
1
Sergio Ghirardelli
Sergio Ghirardelli
ITALY
15
11
Output voltage: 9VOutput current: 50maThe standby quiescent current is less than 10uA. In the standby state, the boost is started after the load is greater than 2.xmA. If the battery voltage is lower ...
Li-ion battery 6F22 9 V
1308
0
7
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
547
40
It is used to indicate whether the single-cell lithium battery (4.2) is insufficient when it is not necessary to accurately know the power of the lithium battery.Low cost, easily accessible components...
Lithium battery low battery indicator module
1212
0
2
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
547
40
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
1071
0
1
davidepost
davidepost
ITALY
0
0
Energy saving is the most important and challenging issue. Smart power meter is used in domestic electric power distribution system. The integration of the Node-MCU,PZEM sensor, Relay and provides the...
SMART POWER MONITORING USING ESP8266
1866
0
0
Engineer
Engineer
INDIA
1
0
Using DW01 series (DW01A, DW01V, etc.) chips, small size and powerfulExternal 8205MOS, up to 4 MOS according to different versionSuitable for various sizes of lithium batteries, including 18650 and ot...
1MOS DW01 lithium battery protection board
1861
0
3
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
547
40
This module takes HY2120CB as the core to realize the over-discharge protection and over-charge protection of the two-cell series lithium battery. When discharging: Lithium battery discharges to ...
Protection board 7.4V lithium battery overcharge and over discharge
1894
0
2
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
547
40
The design charging current is 120 ~ 125ma (small current is good for extending battery life), and the charging limit voltage is 1.396V. The actual charging current is 122ma. Turning lamp voltage (red...
Two NiMH battery chargers full of rotating lights
669
0
3
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
547
40
LiFePO4 battery charger (CN3058), protector (HY2112) and 5V Booster (ME2108).
CN3058 LiFePO4 Charger Booster SMD
1823
0
1
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
547
40
LiPo battery charging, protection and 5V booster.
TP4056 LiPo Charger Protector Booster SMD
863
0
2
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
547
40
Проект электронной нагрузки. Позволяет тестировать источники питания задавая определенный ток нагрузки 0-10А, а так же измерять емкость аккумуляторов. Выполнен на МК atmega8, управление осуществляется...
Electronna9 nagryzka v3 - CADCAM
1953
0
0
Andrew
Andrew
RUSSIAN FEDERATION, THE
3
4
The project is a Low Cost DIY 1kW Waterproof Emergency power station that Integrates a 24V/ 1kW-Hr LiFePo4 Battery, 120/230Vac Power Inverter, 500W MPPT LiFePo4 Battery Charger, 500W AC Input Battery ...
1kW Waterproof Emergency Power Station
1090
5
5
DIY Like A Pro
DIY Like A Pro
UNITED STATES OF AMERICA
6
0
These PCBs were designed to connect and mechanically put together 18650 Li-Ion cells in to big battery packs. This exact design is meant for 12s9p battery pack but the design could be adjusted for dif...
Recycled 18650 battery pack PCB
945
0
2
Alexander CyberMouse
Alexander CyberMouse
SLOVAKIA
0
0
1
2
3
4
5
6
7
8