Elektor - Learn, Design & Share electronics | Elektor Magazine

Elektorized RDA5907 FM Radio Kit

Elektorized RDA5907 FM Radio Kit

Modding a DIY FM radio kit.

4.1k 0

Walkie-Talkie with ESP-NOW

Walkie-Talkie with ESP-NOW

Not quite Wi-Fi, not quite Bluetooth either…

11.3k 2

WS2812B 7-Segment Digit

WS2812B 7-Segment Digit

A single 7-segment digit built with 8-mm round through-hole WS2812B ad...

3.5k 0

Webinar Test & Measurement with Arduino

Webinar Test & Measurement with Arduino

Webinar aired on August 11, 2022. Here are the slides.

7.9k 2

Assembling the 4tronix M.A.R.S. Rover Kit

Assembling the 4tronix M.A.R.S. Rover Kit

The M.A.R.S. rover from 4tronix is an autonomous vehicle designed to d...

1.5k 0

Pocket Weather Station

Pocket Weather Station

Measures and displays temperature, humidity and heat index.

9.1k 0

Automator

Automator

ESP32-based (home) automation computer to control almost anything.

23.1k 7

CO2 Guard [210043]

CO2 Guard [210043]

CO2 400-2000 ppm, 3 LED's , level/temp sensor logged to ThingSpeak, bu...

22.2k 52

Remote-Controlled Door Lock

Remote-Controlled Door Lock

Anyone capable of holding a screwdriver can build this door lock.

18.6k 2

How to Get Started with Your Oscilloscope

How to Get Started with Your Oscilloscope

An oscilloscope is an instrument that displays the evolution of one or...

22.9k 0

How-to Use Arduino's Serial Plotter

How-to Use Arduino's Serial Plotter

The Serial Plotter built into the Arduino IDE creates graphs from nume...

37.1k 0

Rebuild a Lost Remote Control with Arduino

Rebuild a Lost Remote Control with Arduino

Universal remote controls are great for replacing a working remote lyi...

27.2k 2

KiCad Plugins and Add-ons

KiCad Plugins and Add-ons

One of the cool features of KiCad is that it is extensible, allowing a...

11.2k 0

Linux-flavored Snickerdoodles with Zynq

Linux-flavored Snickerdoodles with Zynq

The snickerdoodle is an open-source powerful Linux-capable development...

16.5k 0

TFMini Lidar Precision Gauge [30 cm to 1200 cm]

TFMini Lidar Precision Gauge [30 cm to 1200 cm]

A Lidar-based precision gauge which can be used on Turbine floor to Pi...

4.3k 0

Reverse Engineering a Credit Card Featuring Dynamic CVV

A credit card is just a piece of plastic, or is it?

18.6k 2

Getting Started with KiCad EDA

KiCad EDA is a free, open-source schematics capture and printed circui...

19.5k 0

Differential Current Probe [180665]

Differential Current Probe [180665]

Differential current probe with single-ended output, +/-18 V supply vo...

22.7k 6

Arduino Compiler Optimizations for Faster & Smaller Code

How to use compiler optimization options with the Arduino IDE.

44.2k 7

Smart Smoke Detector

Smart Smoke Detector

A smart device to detect smoke & fire and that easily integrates in a...

4.2k 0

Otii - Power Consumption Optimizer for Wearables and IoT devices

The Otii energy optimisation tool allows precise current- and energy c...

12.4k 0

Modern Valve Electronics Workshop

Modern Valve Electronics Workshop

Workshop in 3 parts on tube or valve audio amplifier design, presented...

15.3k 1

Getting Started with MySensors and Home Assistant

Low-power sensors can use a MySensors network to integrate smoothly in...

28.7k 0

Gesture-Controlled Light Switch with Bluetooth Low Energy (BLE)

COVID-19-safe controller: switch lamps and other devices on and off by...

13.0k 0

Elektor Helps: Keep on Making!

Elektor Helps: Keep on Making!

Join the Elektor Helps Projects Contest! [closed]

14.9k 10

You Have Been MouseJacked!

You Have Been MouseJacked!

Wireless mouses, especially the older ones, can turn well-protected co...

16.2k 0

LoRa GPS Tracker

LoRa GPS Tracker

A GPS Tracker that uses the LoRa network to transmit its position. Dat...

14.9k 4

How-To: Integrate Your Doorbell in Home Assistant Using ESPHome

How-To: Integrate Your Doorbell in Home Assistant Using ESPHome

How to use ESPHome and NodeMCU for detecting doorbell rings in Home As...

33.8k 0

Outdoor Switch with Bi-Stable Relay for ESPHome

Outdoor Switch with Bi-Stable Relay for ESPHome

The Elektor LoRa Switch has a nice relay board that can easily be used...

22.6k 0

Acoustic IR-remote control tester [200025]

Acoustic IR-remote control tester [200025]

IR-receiver drives a small loudspeaker. Hear the IR remote control. Co...

4.1k 0

USB-SPDIF Interface – [180027]

USB-SPDIF Interface – [180027]

Add a micro-USB powered digital audio output (SPDIF) to your computer,...

23.5k 11

Emulating a Thermometer Cricket with Arduino

Emulating a Thermometer Cricket with Arduino

There are many temperature-related effects that can be used to measure...

12.7k 2

Autumn Project Festival

Autumn Project Festival

Post a new project and earn a €25 gift certificate!

12.0k 0

First Steps into LoRaWAN

First Steps into LoRaWAN

Get started with LoRa, LoRaWAN and The Things Network using ready-made...

4.9k 0

Automatic gain control with diode cascade

Automatic gain control with diode cascade

Automatically adjusts gain of small signals to keep the output level c...

5.3k 0

Remake Elektor weather station

Remake Elektor weather station

Lab Team Note: This project no longer supported, but comments are alwa...

28.3k 112

Arduino Pro IDE

Arduino Pro IDE

First impressions of the Arduino Pro IDE 0.0.1-alpha.

14.9k 0

ESP32 Doorbell via Telegram

ESP32 Doorbell via Telegram

Forward your doorbell to your smartphone or computer.

11.6k 0

Single Opamp Voltage Controlled Oscillator

Single Opamp Voltage Controlled Oscillator

A simple voltage-controlled oscillator (VCO) built with just one opera...

42.4k 2

LoRa RFM95(w) Breakoutboard

LoRa RFM95(w) Breakoutboard

This is a small, breadboard-friendly break-out board for the RFM95, of...

11.1k 5

LoRa-controlled switch with state feedback

LoRa-controlled switch with state feedback

Remote 230 VAC switch with state feedback controlled over LoRa intende...

14.0k 21

Elektor Lora Node

Elektor Lora Node

A versatile PCB combining an STM32, an RFM95 LoRa Module and rechargea...

17.1k 3

Kickstart a multivibrator in LTspice

Kickstart a multivibrator in LTspice

Simulating oscillators can be problematic as they often won't start in...

20.9k 2

TMC2160 Motor Driver Board [190255]

Motor driver board based on a Trinamic TMC2160 high-power stepper moto...

7.0k 3

Show Us Your Home Lab and Win More Gear to Clutter It With [contest closed]

Show Us Your Home Lab and Win More Gear to Clutter It With [contest closed]

Summer Contest 2019 - Post a picture of your home lab and win an Elekt...

26.5k 62

Horticulture Box [180583]

Horticulture Box [180583]

Make your plants grow better thanks to special horticulture LEDs.

7.3k 0

Improved Radiation Meter [110538] - Hardware Update v2.2

Improved Radiation Meter [110538] - Hardware Update v2.2

Measure radiation with a photodiode, mounted on a separate sensor boar...

15.3k 0

Universal Battery Charger

Universal Battery Charger

A multi chemistry charge for 4S packs and 12v lead acid cells, with ba...

9.1k 6

Arduino FAQ, How-to & Getting Started

Arduino FAQ, How-to & Getting Started

Answers to (too) often-asked questions about Arduino.

45.8k 2

ESP32 FAQ, How-to & Getting Started

ESP32 FAQ, How-to & Getting Started

A tutorial explaining how to get started with the ESP32.

14.3k 0

Light-controlled energy-saving relays

Light-controlled energy-saving relays

Two circuits of energy-saving relays controlled by light or buttons in...

2.9k 0

Energy-saving relays

Energy-saving relays

Energy-saving relays are two-terminal devices that can be connected in...

3.8k 0

mini-NTP server with GPS

mini-NTP server with GPS

This is a mini-NTP based on a ESP32. Time will be provided from the GP...

34.7k 133

6-Channel Temperature Monitor & Logger [130548]

6-Channel Temperature Monitor & Logger [130548]

Six-channel temperature monitor, scanner cq data logger for RTD resist...

13.0k 5

Firmware update ESP32 Weather Station (180468)

Firmware update ESP32 Weather Station (180468)

Software updates for the ESP32 Weather Station (180468)

16.7k 29

Heat Detector

Heat Detector

This easy-to build-heat detector does not consume power when idle.

3.1k 0

USB-RS232 converter (FT231X BoB) [180537]

USB-RS232 converter (FT231X BoB) [180537]

Next generation USB/Serial Bridge/BOB using a FT231XQ, normal pin head...

7.1k 0

DS1302 high-precision RTC [180620]

DS1302 high-precision RTC [180620]

A small, DS1302-based Real-time Clock (RTC) module with on-board, 20-p...

9.7k 0

MIDI I/O Break-out Board [190070]

Little module that can be configured as a MIDI input or output and wit...

7.0k 1

Atmel 8051 Series Programmer

Here is an 8051-series flash microcontroller programmer which can prog...

7.0k 0

9-Channel Relay Control Board with PC Interface (130549)

9-Channel Relay Control Board with PC Interface (130549)

Switch up to 9 loads by a simple button press or by sending a command...

11.4k 6