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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
DIY 1kW Open Source MPPT Solar Charge Controller
LogicAnalyzer V6.0
kv4p HT v1.7b
Tad Boy Color
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Bike Fingerprint - PCB
SummerCart64 - a fully open source N64 flashcart
Solar Powered WiFi Weather Station V2.0
Arduino RC engine sound & light controller with inertia simulation for ESP32
Frog Boy Color
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David Allmon
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ATmega 40-pin dev board
It was a fun project, putting together a little dev board for ATmega16/32/164/324/644/1284, and 8535. The boards are very high quality, and I received them sooner than I expected.
8-bit Spectrograph Board
The project uses an ATmega1284 to drive an ADC0820 and read a TCD1304. The boards are perfect. The silkscreen is as legible as I've ever seen. I love them.
Telescope Power Control Board
It enables me to turn on the power to parts of the remote telescope without having to be there. The board has a Teensy LC and EEPROM, along with 8 high-side MOSFET switches. Each of the 8 channels may...
±15V and ±24V power supply
Power supply for a preamp
Telescope Power control board
The project is a host configurable power supply with 6 switchable outputs and a 4 amp Raspberry Pi 4B output. The board is 100mm x 150mm because it had to be to fit the case it goes in. The board is o...
Velocity Feedback PCB
This is my second pass at a usable velocity feedback circuit for a subwoofer. I use PC boards instead of point-to-point wiring or breadboards because it takes less time, and is less error prone, and i...
Spetctograph with USB interface
Similar to the last spectrograph, but 12Mbps transfer rate. The boards were again flawless. I made a small omission, but one jumper on a prototype is pretty good. I'm spoiled by these boards. They are...
Telescope 12V Power Distribution Board
This project is a telescope power distribution system, that provides switchable power to all of the peripherals on the scope, like cameras and a filter wheel. It monitors power useage and is able to r...
Test op amp
a simulated discrete op amp using an OPA134. I wasn't sure how boards so small would turn out, but they came out perfect.
Preamp
Preamp using a discrete op amp.
Velocity Feedback Controller
Velocity feedback compensator for a sub woofer. The boards are always good. I've about given up on protoboard altogether.
Velocity Feedback Error Amp
PCBWay always has great quality boards, and fast delivery,
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