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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
Tad Boy Color
SummerCart64 - a fully open source N64 flashcart
iSpndel_4.0
Arduino RC engine sound & light controller with inertia simulation for ESP32
400 Watts Stereo Audio Amplifier Board DIY 2SC5200+2SA1943
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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Markus Virtanen
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USB Tester
This is a good tool for all USB related testing and debugging.
Delayed Start-Up PSU
This module creates a delay before relay activates and sends power forward. 5V integrated PSU onboard.
Custom NE555 project with protyping pads
This was excellent way to test one of the million circuits made out of NE555
9V battery PSU
A good 9V battery PSU with resettable fuse and you can do a custom output cable to power your each project.
Tough Prototyping Board
Prototyping board with internal 5V regulator and NE555 clock generator
High Voltage Step Down Regulator
Good quality in red solder mask color. Chance to fit THT or SMT components.
STA540 6 CHANNEL AMPLIFIER
Good amplifier with left, right, center and subwoofer channels!
NE555 Sawtooth Generator
This generator is general sawtooth generator implemented with NE555
LDR Based solar charge controller
Simple single sided board to control you Li-Ion charger IC.
D Type Flip Flop Tester
This is a good prototype for testing D type flip flops.
18650 Charging Tester
Here is a good 18650 Charging Tester with BMS and load activity indicator LED.
Prototyping and USB charger
These boards works well when I soldered all components. Takes Li-Ion 3.7V and supplies 2 USB ports. One board had a blocked hole with solder in the manufacturing process. However, the solder was easy ...
Power Distribution Switch
A compact and effective integrated MOSFET to switch power to your projects.
Libreductioner v2.0a
Cood finishing touch with ENIG surface :-)
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