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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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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
4X40 Watts 4 Channel Audio Amplifier Board DIY TDA7388/CD7388 IC
SummerCart64 - a fully open source N64 flashcart
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
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The Rp2040 chip from the RaspberryPi foundation should be quite well known to everybody by now. Many companies have also released their own development boards based on it. The original Raspberry Pi Pi...
Raspberry Pi Pico Carrier Board
2038
0
3
Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
THAILAND
52
164
NeoPixel strip with built-in LDONeopixels are interesting. They can be almost any colour that you require, are usually quite easy to configure, can require a fair bit of current if used in sufficient ...
NeoPixel-RGB-Strip_PCB_NeoPixel-RGB-Strip_2024-09-11
65
0
0
Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
THAILAND
52
164
DESCRIPTION"Since I usually enjoy drinking coffee every day and have a dream of opening a modern coffee shop with smart services for customers, one day I went to a certain coffee shop and saw that the...
ESP32 DIY Smart Menu for Coffee Cafe
844
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0
SEKSAN Yakroo108
SEKSAN Yakroo108
THAILAND
7
14
My Own DC-DC Buck ConverterDc-to-DC Back converters have a lot of advantages over traditional linear voltage regulator solutions. Most of these advantages are related to the smaller size of these circ...
Gerber_PCB_SMPS-Module-3A-Peak_2023-05-06
506
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0
Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
THAILAND
52
164
Breaking out of the Chip Shortage – Attempt #2The ATTiny1616 is a step up from the ATTiny202, having more GPIO, flash and RAM. This makes it ideal for bigger, but still medium size projects that do no...
ATTiny1616 Minimal Breakout board - QFN
2405
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0
Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
THAILAND
52
164
Get Started with the ATMegaTiny202As I have hinted in my recent two posts about UPDI programmers, I am currently looking for a solution to replace the ATMEGA328P chip used in standard Arduino devices,...
ATTiny202 Minimal breakout
1456
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0
Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
THAILAND
52
164
USB-to-Serial converters are some of the most used modules on my bench. I have quite a few of them, most of them are the cheap online type that can be had for a few dollars.As part of my new project, ...
Multipurpose UART/UPDI Programmer with ESP Autoflash/Reset Capability
1425
0
0
Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
THAILAND
52
164
Redesigning my MCP23017 breakoutIn a previous post, I designed a breadboard-friendly MCP23017 breakout module. A few months have passed, and after using the module for a while, some issues came to lig...
Breadboard friendly MCP23017 Breakout board, TSSOP28 version
472
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Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
THAILAND
52
164
Carrier board for SEEEDuino XIAOThese days, Makers have access to quite a few different microprocessors for use in their projects. Most of them can be found on development boards of some sort, but not...
XIAO Carrier PCB
915
0
1
Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
THAILAND
52
164
An Easy RP2040 Logic Analyzer Shield - Scoppy Scope Part 2Scoppy Scope Logic analyser Shield with Logic ProbesAs part two out of a series of three articles (part 1), This is the Scoppy RP2040 Logic an...
RP2040 Logic analyser shield for use with Scoppy and the MakerIOT2020 Raspberry Pi Pico Carrier board
1682
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2
Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
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52
164
Last month I spent quite a lot of time on expansion modules for use with the ESP-12E I2C Base Card. While the system worked exceptionally well as a prototyping and firmware testing platform ( as origi...
PCB_PWM-Fan-Controller-with-RE
660
0
0
Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
THAILAND
52
164
I2C IO Card for ESP-12E I2C Base CardThe I2C IO Card for ESP-12E I2C Base Card is another expander card for the ESP-12E I2C Base Card Project. This PCB is an address-selectable I2C module with two rel...
I2C IO card for ESP-12E I2c Base Card
804
0
1
Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
THAILAND
52
164
In this part of the series, Robotic Toy Car – Part 4, We will add some custom side-panels to the project. While the original toy did come with some laser cut aluminum side panels, I decided to replace...
W307186ASV68_Gerber_PCB_Robot-Car-Side-Panel
444
0
1
Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
THAILAND
52
164
2C port extenders or expanders are extremely useful devices, and I use quite a lot of them in my projects. My go-to device is definitely the PCF8574, mainly because it is sort of “breadboard friendly”...
A breadboard friendly MCP23017 breakout
1592
0
0
Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
THAILAND
52
164
INPUT And Monitor Shield for LoRa Base ModuleIntroductionThis is a straightforward project compared to my usual PCB projects. It is one of a series of designs towards completing my LoRa monitoring sys...
IO-Shield for LoRa-Base
1264
0
0
Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
THAILAND
52
164
Busdisplay is a small PCB that allows you to monitor the current data on an 8-bit bus. The data is shown on a 7-segment display. Both decimal mode (0-255) and hexadecimal mode (0x00-0xFF) are supporte...
8-bit Busdisplay
1021
0
3
Sleepy Pony Labs
Sleepy Pony Labs
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