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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
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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All of us Makers like to tinker with stuff, and in this process, we may find ourselves thinking about how to connect device A to my Arduino… Device A may operate at a different voltage from the Arduin...
Build your own Optically Isolated 8 DI Arduino Shield
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Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
THAILAND
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ESP8266-12E in Arduino Form FactorAs a followup to my recent ESP32-S in Arduino Form Factor device, I decided to also produce a similar circuit board for the ESP8266-12E. Although some people mostly c...
ESP8266-12E in Arduino Form Factor
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Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
THAILAND
52
164
Build your own USB-ASP Programmer CloneBymakeriot2020 FEB 21, 2022 Arduino, ASP programmerUsing more ATMEGA based MCU’s in my recent projects, and not using ready-made Arduino boa...
USB-ASP Programmer ATMEGA8
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Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
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An I2C Matrix KeypadThe completed I2C Matrix KeypadIn a previous post this month I introduced my 4×4 matrix keypad. That keypad was designed to be directly interfaced to a microcontroller’s GPIO pins ...
I2C Matrix Keypad
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Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
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Breadboard Compatible CAN-BUS Breakout ModuleWhat is this:Some of us have already used the commonly available CAN-Bus breakout modules available on the market. They are extremely cheap, and work well....
CAN-BUS Breakout
2421
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Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
THAILAND
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MCP23008 BreakoutI designed this breakout to assist me during prototyping my next version of the “RP2040 Emergency Mouse“. In that project, I used the SEEED Studio Xiao RP2040, along with a few other ...
PCB_MCP23008_2023-10-08
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Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
THAILAND
52
164
Multi-Purpose IO CardWhen we are working on a prototype, we always need access to pushbuttons, encoders and even displays to test our ideas in the real world. This Multi-Purpose IO Card was designed t...
Multi Purpose IO Card
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Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
THAILAND
52
164
Variable Voltage Power ModulePowering electronics projects are always challenging. This Variable voltage Power Module was designed to solve such a problem for a specific project that I am working on. ...
Variable Voltage Power Module
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1
Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
THAILAND
52
164
Today we will look at the remote control unit for the Robotic Toy Car – Part 6.The project is close to being completed, and as such, there are quite a lot of final things that need to be taken care of...
W307186ASC71_Gerber_PCB_ESP-Now Remote
1333
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Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
THAILAND
52
164
In our last project, we started working on repurposing an old toy car. In this part, Robot Toy Car – The next steps, we will take a look at the controller board for this project and discuss some of th...
W307186ASV69_Gerber_PCB_Robot-Car-MCU-Board Prototype
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Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
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XIAO RP2040 Mouse Ver 3.0Over the last few months, We have been steadily improving the design of our XIAO RP2040-based mouse device. With this, ver 3.0 all the hardware bugs were finally eliminated, a...
XIAO RP2040 Mouse - Rev 3.0
602
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Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
THAILAND
52
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High Current P-Mos DriverThis is a modification of my existing P-MOS driver circuits, intended for use with higher current LED Lights, as well as any other applications requiring a higher current capa...
PCB_PMos-driver-with-heatsink
530
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Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
THAILAND
52
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Variable Breadboard Power ModuleA few weeks ago, I designed and built my own breadboard power module, mainly to try and solve some perceived problems with commercial ones, and also just to have someth...
Variable Breadboard Power Supply
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Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
THAILAND
52
164
ATMEGA4808 – An Improvement on my previous design? Or Not…Atmega4808 Development Card in Acrylic ShellWhen I first started playing around with the ATMEGA4808, I was impressed as well as disappointed b...
ATMEGA4808 Development Card in Arduino Form Factor
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Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
THAILAND
52
164
Breadboard Power Module – Custom designedBreadboard Power modules are nothing new or exciting at all. I own a few commercial ones, and they are usually quite similar. They can be picked up for a few b...
Breadboard Power Module
874
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Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
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UPDATE:6 June 2023Due to the Oscillator at X2 being almost impossible to find, I decided to do a revision, replacing it with an SMD part. This will change the look of the PCB a little bit, but not aff...
Blue Dev Board - Giving the STM32 Blue Pill a facelift
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Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
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52
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