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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
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Small and Cheap UPDI ProgrammerUPDI programmers are a new necessity in my lab, as I continue my quest to find a suitable replacement for the old Atmega328P chips (More on that in another post). In a p...
Small Cheap UPDI Programmer
996
0
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
1378
0
0
Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
THAILAND
52
164
A Soft Start Circuit ExperimentEvery single project that we build needs an On/Off switch. Hardware switches are big and clumsy and can be quite expensive. Most of them also don’t look very good.This p...
Soft Start Switch module
959
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
452
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0
Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
THAILAND
52
164
Dual 555 Latching Switch ModuleIn a recent post, I looked at a single-channel version of this module. While it may be a repetitive post, I will continue, as it shows how easy it is to double up on thi...
PCB_Dual Latching Switch Module
386
0
0
Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
THAILAND
52
164
555 based Latching SwitchThe humble 555 timer IC has been around for a very long time. It can be configured to do a lot of timer based functions, the most common know being to flash LED’s at a given f...
PCB_Latching-Switch
350
0
0
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
848
0
1
Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
THAILAND
52
164
In answer to quite a few requests for a prototype shield, similar to my ESP32-S Dev Prototype shield, but for use with the ESP-12E DEV board, I have decided to do a quick design, and make it available...
ESP12-E-DEV Protoype Shield
662
0
0
Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
THAILAND
52
164
RP2040 Scoppy Oscilloscope Analog Front End ShieldThis post will look at my prototype Analog front-end for the Scoppy RP2040 Oscilloscope. It is important to state right from the beginning that this c...
Analog Frontend for Scoppy Scope - RP2040
3150
0
2
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
1588
0
2
Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
THAILAND
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
629
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
782
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
435
0
1
Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
THAILAND
52
164
In this, part 3 of the “Giving new Life to an Old Toy Car” series, we will be adding some flashing lights to the toy car project. This will ultimately serve two purposes, with the most obvious being t...
W307186ASV66_Gerber_PCB_Robot-Car-Roof-Light-Unit
496
0
0
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
1544
0
0
Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
THAILAND
52
164
As part of my experiments with LoRa and the easy to use ATMega328P, I have recently designed quite a few LoRa based projects. In this final 2 part series, I will look at two additional projects, part ...
Remote Alarm transmitter
547
0
0
Jean Redelinghuys MakerIoT2020
Jean Redelinghuys MakerIoT2020
THAILAND
52
164
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