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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
QuinLED-Dig-Uno
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
SummerCart64 - a fully open source N64 flashcart
4X40 Watts 4 Channel Audio Amplifier Board DIY TDA7388/CD7388 IC
Tad 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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In this article, I show you my new creation. It is a USB PD decoy-based breadboard power supply. All the breadboard power supplies I have seen or encountered so far are not too good. All of them are b...
USB PD Breadboard Power Supply
1308
2
12
Curious Scientist
Curious Scientist
117
66
This is an open-source programmable watch that supports development in C or Python, allowing for the addition of new features at any time.It is primarily used for environmental monitoring, alerting us...
Fresh Watch
292
0
0
Maker M0
Maker M0
CHINA, PEOPLES REPUBLIC
4
0
G-EDM EVOIIIThe new EVOIII board provides a single PCB containing the pulse stage and the sensing stage. It replaces the EVOII pulseboard and the EVOII sensorboard.The motionboard is still required:ht...
G-EDM EVOIII board - Low budget DIY Wire EDM machine
210
0
0
Roland Lautensack
Roland Lautensack
GERMANY
2
0
In today's world, batteries are an integral part of our lives, powering everything from our smartphones to electric vehicles. Having a reliable and efficient battery charger is essential to ensure opt...
DIY Smart Battery Charger
888
1
3
Next Builder
Next Builder
INDIA
8
1
Humidifiers add moisture to the air. They can help people with dry skin, allergies, and respiratory problems. They may also help in preventing influenza and reduce snoring.I bought this AU$2 USB Mini ...
Cute Medusa 3D Printed Humidifier
148
6
2
Ashish Adhikari
Ashish Adhikari
AUSTRALIA
23
3
Components1. 4×15KΩ resistor 1/4W.2. 2×10KΩ resistor 1/4W.3. 2×220Ω resistor 1/4W.4. 4×2.2Ω resistor 1/4W.5. 2×150Ω resistor 1/4W.6. 8×100uF capacitor 25V.7. 2×470uF capacitor 25V.8. 2×Capacitor 1nF(1...
LA4440 dual channel amplifier
240
0
1
Mriganka Majumdar
Mriganka Majumdar
INDIA
17
0
On weekends I usually go out with my family and/or friends to some activity, and sometimes we have a few drinks. Some of them usually take their car, and to be a little more relaxed, I designed this d...
Simple Breathalyzer
663
1
1
Fausto Iocchi
Fausto Iocchi
CHILE
2
34
Please check the Video Link.https://youtu.be/8BRjHAQC76YInrush current protectionHere’s the Inrush current protection, Low frequency transformer generate very high inrush current greater than 10X the ...
Design of 800-1500W Power Supply with Multi Speaker protection
186
1
0
DIY TechFusion
DIY TechFusion
UNITED STATES OF AMERICA
7
0
Project DescriptionThe device is a feature-rich and versatile IoT hub. I designed it to be a control and monitoring device (or central device) for other IoT devices that I will develop in coming month...
Internet of Things (IoT) Hub
407
0
3
Ugochukwu Ikpeoha
Ugochukwu Ikpeoha
NIGERIA
3
0
Lithium-Ion Battery Charger with TP5000This project introduces the design of a high-efficiency lithium-ion battery charger utilizing the TP5000 IC. This charger is capable of delivering up to 2 Amps o...
Lithium-Ion Battery Charger with TP5000
196
0
1
Wandy Amaury
Wandy Amaury
DOMINICAN REPUBLIC
35
56
Lithium-Ion Battery Charger with TP4056This project features the design of a compact and efficient lithium-ion battery charger, ideal for educational purposes and low-power applications. The circuit i...
Lithium-Ion Battery Charger with TP4056
113
0
1
Wandy Amaury
Wandy Amaury
DOMINICAN REPUBLIC
35
56
I wanted to show you my irrigation controller, which I built using the ESP8266 on a WemosD1 clone board. It's integrated with home automation using the MySensors library.In short, the idea is for all ...
WiFI Grass Watering Manager working in Home Automation system (I use mySensors)
231
0
1
Jacek jr
Jacek jr
POLAND
0
0
Good afternoon, dear colleagues. Let me introduce you to my version of LED watches. Let's breathe new life into old quartz watches.A pointer clock with LEDs instead of hands. Blue LEDs act as the...
Let's breathe new LED life into old quartz watches
135
0
2
Andreyzan ZAN
Andreyzan ZAN
UKRAINE
0
0
Audio amplifier with LM386 (and BASS boost)Hello everyone!Circuit descriptionThe LM386 is quite a versatile chip. Only a few resistors and capacitors are needed to make a working audio amplifier. The ...
Audio amplifier with LM386 (and BASS boost)
303
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
49
14
I recently acquired 3 12V laser modules each, to perform various experiments. I didn't want to mount them one by one on the CNC3018 that I have, in order to test them, so I decided to design this smal...
Laser Module Tester
379
0
3
Fausto Iocchi
Fausto Iocchi
CHILE
2
34
IdeaI used RP2040-Zero micro-controller to gather data fromSHT31 humidity and temperature sensorSGP30 air quality sensor (CO2 and TVOC)The results are shown on SSD1306 oled screen.You can download all...
Air Quality Monitor (for CO2, TVOC, Temperature and Humidity) With RP2040
180
0
0
gubutek gubutek
gubutek gubutek
CANADA
0
0
1
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