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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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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
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kv4p HT v1.7b
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ZIMBABWE
This is my Arduino Nano 4x 18650 Smart Charger / Discharger Open Source Project. I wanted to make a smart Arduino powered charger, discharger battery tester that could have a barcode scanner that scan...
Brett's Arduino 4x ASCD 18650 Smart Charger Discharger 1.12
14135
0
24
Engineer
Engineer
NEW ZEALAND
28
1
Takes the cheap and simple to use E32-TTL UART LoRa module and hooks it up to a 3.3V Arduino Promini. All remaining IO are broken out to 3 pin JST XH connectors. Jst PH battery connector to accept 3.3...
Lora Node: E32-TTL Promini node
3384
1
4
Ciaran Doidge
Ciaran Doidge
NEW ZEALAND
4
0
REV-1.2 (8-Dec-24)So after getting this old retro pc it did not come with the AC dual power pack. the board inside had been altered by some one a long time ago so i went down the road of re-making it ...
Dragon 32 Power , Video & Audio replacement Board. Rev-1.2 (8-Dec-24)
349
0
2
David Otter
David Otter
NEW ZEALAND
3
3
This uses common resistors and parts, the only parts that may require special consideration are the Arduino Pro Mini (make sure you get the correct type, 5V/16MHz with a matching pinout to the PCB), a...
DRAM Tester for 64k x 1 4164 and 4864 RAM
5066
0
9
Scott TheDefpom
Scott TheDefpom
NEW ZEALAND
15
0
This is a replacement PCB for the HP3400A Chopper Board (A6).==============UPDATE Rev 1.2 - 8th June 2023==============Rev 1.2 changes a few resistor value markings to match HP's in the filter section...
HP 3400A A6 Chopper Board Replacement
3419
5
3
Scott TheDefpom
Scott TheDefpom
NEW ZEALAND
15
0
Over the last couple of years, in my spare time, I've been developing a simple low-cost robot called Lobot. After I got involved in combat robotics I noted that the cost of the hardware, the transmitt...
Lobot Mini
3013
0
2
Alex Kendon
Alex Kendon
NEW ZEALAND
2
2
Lobot was an exercise to design a programmable, expandable, Bluetooth controlled robot at the lowest possible cost. Having purchased a few robot kits for my kids I noticed the thing they loved most wa...
Lobot - The low cost robot
1785
0
2
Alex Kendon
Alex Kendon
NEW ZEALAND
2
2
PCB for connect ESP-01 to JBD BMS and use via WiFi with JBdTools
JbdTool-ESP01
2508
0
0
Max Terragni
Max Terragni
NEW ZEALAND
1
0
This is a simple 100mA constant current board.It uses a handful of common components, I used through hole components to make assembly easier for DIYers.The input voltage needs to be known so that the ...
Constant Current Sink
1531
0
1
Scott TheDefpom
Scott TheDefpom
NEW ZEALAND
15
0
This is one of four PCBs which combine to make a smart "charging box" for inductively charging the batteries in Navlight Punches. (The punches are used for recording visits by people to specific locat...
smart "charging box" project
430
0
0
Peter Squires
Peter Squires
NEW ZEALAND
0
0
WEMOS D1 MINI BREAKOUT BOARD
WEMOS D1 MINI BREAKOUT
2336
0
0
Michael Herd
Michael Herd
NEW ZEALAND
0
0
This is the PCB design for a high voltage leakage tester, it uses an arduino pro mini and either an LCD display or a serial interface to show the test voltage and leakage current.More information will...
Leakage Tester Rev 1.1 by The Defpom
3151
0
2
Scott TheDefpom
Scott TheDefpom
NEW ZEALAND
15
0
The Navlight system is used for adventure racers doing navigation courses such as orienteering or rogaining. The Tag is one of the components, and is set in a plastic housing and worn on your wrist. O...
NavTag v3_design
157
3
0
Peter Squires
Peter Squires
NEW ZEALAND
0
0
A battery-powered data logger designed specifically for use with Navlight tags, The tags are worn by a competitor, and when visiting a remote location, the data logger (Punch) records its ID number an...
W309471AX1N33_Punch V10
404
0
0
Peter Squires
Peter Squires
NEW ZEALAND
0
0
