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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
Arduino RC engine sound & light controller with inertia simulation for ESP32
4X40 Watts 4 Channel Audio Amplifier Board DIY TDA7388/CD7388 IC
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
Raspberry Pi Pico Rocket Flight ComputerA raspberry Pi powered Rocket flight data acquisition and monitoring system. 3.7V LiPo Battery Power SupplyFeatures:Pi Pico Core processor3.7V LiPo PoweredOn Bo...
Raspberry Pi Pico Rocket Flight Computer
5367
6
9
Muhammad Aitesam
Muhammad Aitesam
PAKISTAN
22
8
Li-Ion battery charger, protector and 5V/2A booster. Use unprotected Li-Ion batteries which are rated for a discharge current of at least 5A !
TP4056 LiPo Charger Protector Booster 2A
1918
0
5
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
590
40
Raspberry Pi Pico Breakout Board Rev2.0Presenting a Revised version of popular Pi Pico Breakout Board Rev 1.0 with improved performance. More features, better practicality and optimized costs.Features...
Raspberry Pi Pico Breakout Board V2.0
3129
0
6
Muhammad Aitesam
Muhammad Aitesam
PAKISTAN
22
8
This board goes with my Instructable on making a Neon Lamp Tea Light.I acquired a bag of NE-2 neon indicator lamps, which glow orange when you supply them with about 90V DC or 60V AC. I thought it wou...
Neon Lamp Tea Light
3958
0
8
Xander Fries
Xander Fries
UNITED STATES OF AMERICA
4
0
Raspberry Pi Pico Breakout Board:A low cost, high spec breakout board for Raspberry Pi Pico.Features:Battery charging and ManagementCost effective design2.54mm Pitch Pin headers for external connectiv...
Raspberry Pi Pico Breakout
3083
0
5
Muhammad Aitesam
Muhammad Aitesam
PAKISTAN
22
8
Details: https://openhardwarecoza.wordpress.com/2020/03/05/diy-18650-powerwall-with-onboard-bms/This is based off the 18650 Powerwall projectIncludes onboard BMS circuitry to protect and balance charg...
18650 PowerWall with Onboard BMS
7753
9
20
Peter van der Walt
Peter van der Walt
SOUTH AFRICA
28
27
Li-Ion battery charger, protector and 5V/3A booster. Use unprotected Li-Ion batteries which are rated for a discharge current of at least 7A ! Using a good and fully charged battery with a low interna...
TP4056 LiPo Charger Protector Booster 3A
1277
0
4
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
590
40
LiPo battery charging, protection and 5V booster.
TP4056 LiPo Charger Protector Booster SMD
1029
0
2
Oleg Oleg
Oleg Oleg
RUSSIAN FEDERATION, THE
590
40
Pi Power Supply and Battery Charger5v/3.3V Power Supply for Raspberry Pi and IoT Projects. LiPo Battery charger and management system. All in a cost effective and practical design.Features:5V/3.3V Dua...
5v/3.3V Power Supply + LiPo Charger
2703
4
4
Muhammad Aitesam
Muhammad Aitesam
PAKISTAN
22
8
This protection board protects your Lipo or Li-Ion-cell. it is based on the DW01A battery protection IC and the FS8205A dual-mosfet. this tiny PCB will protect your Lipo or Li-Ion-cell from overcharge...
Lipo/Li-Ion protection board
1103
0
2
Ardumani
Ardumani
GERMANY
4
1
This X-Mas in Ukraine was ... not perfect. But we still wanted to have holiday so we had IKEA battery powered fairy lights. Those were both festive decoration and backup light for hours when there wer...
12V LED/Fairy lights PSU with backup power source
712
0
0
Vladyslav Aksonov
Vladyslav Aksonov
UKRAINE
0
7
Modern LiPo Battery Pack for HP 'Classic' Calculators This is my attempt at a LiPo-based battery pack for "Classic" HP Calculators, specifically HP-35, HP-45, and HP-55. The original NiCd pa...
HP Classic Calculator LiPo Battery Pack
1774
1
0
Tom LeMense
Tom LeMense
UNITED STATES OF AMERICA
1
3
Note! Please follow the attached interactive BOM. It will help you to find the correct components and it will also guide you with the placement.I recently published a project where I tried to utilize ...
Self-contained PCB weighing scale
1605
10
0
Curious Scientist
Curious Scientist
116
66
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
792
1
0
Maurizio Miscio
Maurizio Miscio
ITALY
5
0
This is my attempt at a LiPo-based battery pack for "Classic" HP Calculators, specifically HP-35, HP-45, and HP-55. The original NiCd packs are all dead by now, and rebuilding them is difficult -...
HP Classic Calculator LiPo Battery Pack V2
2124
0
0
Tom LeMense
Tom LeMense
UNITED STATES OF AMERICA
1
3
This project was designed with a small footprint in mind. Do you need an accelerometer on the go in a small overall space? This is the perfect design for you!This design includes an on-board LiPo b...
Accelerometer Shield for Teensy 2.0 w/ Battery Charger and MicroSD Card
1099
0
1
Shane Kent
Shane Kent
UNITED STATES OF AMERICA
1
54
1
2
