Elektor - Learn, Design & Share electronics

Spiking Integrate-and-Leak Neural Network Node

Do AI the analog way with a Spiking Neural Network (SNN).

3.0k 0

Reverse Project - Mini Oscilloscope

by ClemensValens

Reverse Project - Mini Oscilloscope. Reprogram it using SDCC

6.9k 4

Published in Elektor

Milliohm Meter Adapter

by ClemensValens

Measure low resistance values and locate short circuits.

7.6k 2

Published in Elektor

Audio DSP FX Processor

by ClemensValens

An ESP32-Pico-Kit with ADAU1701 as high-quality I²S audio codec with b...

17.5k 4

Rotary Dial Phone as Remote Control

by ClemensValens

Turn an old analog rotary-dial phone into a remote control and alarm f...

2.3k 0

Published in Elektor

Two Potentiometers on One Digital Input

by ClemensValens

Connect two potentiometers on one digital microcontroller input.

8.9k 1

Published in Elektor

SPI to WS2812B converter

by ClemensValens

3 ways to make SPI compatible with WS2812B-type addressable RGB LEDs.

8.8k 0

Wearable Wi-Fi Gadget

by ClemensValens

A wearable ESP8266-based device with conductive-thread-compatible conn...

8.2k 0

GitHub For Dummies

by ClemensValens

People often ask us how to download something from or how to publish o...

181.7k 7

Published in Elektor

Home Assistant and ESPHome How-to

by ClemensValens

A tutorial about using ESPHome to configure and connect an ESP-8266-ba...

54.1k 6

Published in Elektor

Rotary encoder(s) on a single MCU pin

by ClemensValens

Here is a trick that allows you to connect one or more rotary encoders...

25.0k 2

Published in Elektor

ESP32 Weather Station (180468)

by ClemensValens

Here we present a specific application with a weather station built ar...

61.9k 154

Published in Elektor

Audio Spectrometer (180166)

by ClemensValens

Two versions of an MSGEQ7-based audio spectrum OLED display module.

7.5k 5

electronica Fast Forward 2018 Avnet & EBV presentations

by ClemensValens

Because several participants asked for it, here are the presentations...

4.2k 2

Published in Elektor

BME280 breakout board e-BoB (160109-1)

by ClemensValens

Little breakout board for the BME280 "weather" sensor by Bosch Sensort...

18.5k 0

Published in Elektor

Raspberry Pi Ruler Gadget (180483)

by ClemensValens

Although designed as a give-away gadget for trade shows etc. this rule...

13.3k 5

Electrically Safe LED-to-Lamp Converter (140095)

by ClemensValens

Replace just about any low-current LED by a 100-watt incandescent bulb...

12.8k 6

Published in Elektor

Snore Shield

by ClemensValens

Does your snoring roommate keep you awake at night? Then the Elektor S...

27.3k 5

Summer Contest - Who is your favourite PCB order pooler?

by ClemensValens

The 2018 Elektor Labs Summer Contest is about PCB order pooling. Tell...

10.1k 25

Published in Elektor

Experimental Doppler Radar [160385]

by ClemensValens

Build an experimental microwave Doppler radar by using a low-cost rada...

16.3k 30

Published in Elektor

Simple Function Generator [160548, 180556]

by ClemensValens

A sine, triangular, and rectangular waveform generator based on an ori...

8.7k 0

Published in Elektor

Easy music - simple pitch follower [130330]

by ClemensValens

Can’t sing? Don’t know how to play the guitar? With a bit of technolog...

5.4k 0

Platino-based simple LC meter [130341]

by ClemensValens

Here is a small project that shows how to measure inductances and capa...

8.4k 2

Published in Elektor

Power supply for Raspberry Pi + hard disk [160494]

by ClemensValens

A single circuit to power a Raspberry Pi equipped with a hard disk.

12.2k 5

Published in Elektor

Wi-Fi controlled thermostat / timer / switch [160269 & 160631]

by ClemensValens

Portable and flexible stand-alone thermostat/timer/switch capable of s...

16.7k 0

Published in Elektor

Platino Serial Bus Tester [130409]

by ClemensValens

An Elektor Platino-based system intended as a debugging tool for seria...

8.5k 2

Invisible Multi-Target Doorbell

by ClemensValens

Several companies sharing the same building all need a doorbell for vi...

11.0k 40

ESP32 Design Contest 2018

by ClemensValens

ESP32 Design Contest 2018 - Do your ESP32 (Internet of) Thing and win...

41.0k 3

Elektor Video Olympics - now voting!

by ClemensValens

Record a short video about something Elektor and maybe win a 3D printe...

8.6k 0

Xpress Thermometer [160602]

by ClemensValens

Thermometer using an EMC1001 I²C temperature sensor and an 8x8 LED mat...

4.2k 0

Published in Elektor

Simple Sound Effects 2.0 [130209]

by ClemensValens

Here is a simple, little circuit that makes loud, useless noises with...

26.6k 12

Contest: design a fading LED circuit, win €100!

by ClemensValens

Design an all-analog fading LED circuit, post it on Elektor Labs, and...

37.8k 30

Microphone preamplifier [140101]

by ClemensValens

Here is an all-analog, all-through-hole, cheap & cheerful preamplifier...

27.0k 2

Crazy Summer at Elektor Labs: get 25 euros for your project!

by ClemensValens

We opened all the windows at Elektor Labs and whoosh, a whole stack of...

10.9k 0

Published in Elektor

AVR Playground [129009-2, 160316]

by ClemensValens

The AVR Playground is a hybrid of an Arduino Uno and a traditional mic...

35.8k 5

Published in Elektor

MicroPython webserver [160428]

by ClemensValens

Experimenting with MicroPython - build a simple webserver. Nothing fan...

12.2k 1

Easy Sceptre programming with Oberon-07 [100574]

by ClemensValens

The Oberon high-level, modular programming language with its origins i...

9.1k 0

Published in Elektor

Debugging the Sceptre using JTAG [100810]

by ClemensValens

Debugging the Sceptre using JTAG, with the help of OpenOCD, GDB, Insig...

7.5k 0

A Graphics Display for the Sceptre [100652]

by ClemensValens

Add a graphic display to the Elektor Sceptre and a little trackball an...

5.9k 0

Published in Elektor

Sceptre meets Arduino [100609]

by ClemensValens

When the Sceptre was being designed, the idea of using it with a resis...

6.1k 0

Published in Elektor

Sceptre Software Development [100017]

by ClemensValens

Grasping the Sceptre. Here now are the explanations and details of the...

6.2k 0

Published in Elektor

The Sceptre [090559]

by ClemensValens

The Sceptre is a small ARM7 board based on the LPC2148. The board feat...

15.5k 8

Published in Elektor

FT232R USB/Serial Bridge/BoB (110553)

by ClemensValens

You’ll be surprised by the size of this low-cost, reusable, and multi-...

13.6k 0

BT2 to BT4/BLE bridge (150753)

by ClemensValens

Mobile devices that do not support Bluetooth 4 (or BLE) can (of course...

6.0k 0

Published in Elektor

MAXREFDES99# LED Shield Experiments [160267]

by ClemensValens

Software for the Maxim MAXREFDES99# Display Driver Shield, an Arduino...

7.9k 2

Published in Elektor

BME280 Evaluation Board [160109-2]

by ClemensValens

An Arduino-compatible shield for evaluation of the Bosch Sensortec BME...

12.6k 6

Scrolling LED Marquee

by ClemensValens

180 LEDs controlled by a single PIC 18F46K22 clocked at 64 MHz. The pr...

11.0k 0

Published in Elektor

BBC micro:bit T-board + weather station (150652)

by ClemensValens

This T-Board allows easy connection of the BBC micro:bit to a breadboa...

17.3k 16

Published in Elektor

Elektor mbed interface [150554]

by ClemensValens

This is an mbed compatible CMSIS-DAP board for experimenting with ARM-...

10.8k 3

Published in Elektor

Elektor Uno R4 [150790]

by ClemensValens

The Elektor Uno R4 is an Arduino Uno R3 equiped with the ATmega328PB-A...

81.0k 121

Guitar BoB [150382]

by ClemensValens

A guitar input module for easy breadboarding. This project spun of fro...

8.9k 0

CoCo-ri-Co! Guitar Tuner [150006]

by ClemensValens

Because the CoCo-ri-Co Cool Controller Concept is a hexagonal board wi...

9.2k 0

Published in Elektor

Network Connected Signal Analyzer [150211]

by ClemensValens

This project is about a single-channel signal analyzer and signal gene...

14.4k 6

MLX90393 experiments [140555]

by ClemensValens

This is a support page for the Elektor October 2015 article about the...

12.1k 7

Published in Elektor

eRIC Nitro [150308]

by ClemensValens

This project is the result of the LPRS contest run last year. The winn...

99.5k 17

[150242] Sound Level Trafic Light

by ClemensValens

At Elektor.Labs we produce a lot of printed circuit boards. Some of th...

11.3k 0

ULN2003 shield [150162]

by ClemensValens

Simple Arduino shield with a ULN2003 and some connectors. The I2C port...

12.0k 0

Labs Report | Rome Maker Faire 2014

by ClemensValens

 Rome Maker Faire 2014In the weekend of 3-5 October 2014 Rome&rsq...

6.2k 0

Wearable Devices - Post Your Ideas Here

by ClemensValens

Forget the Internet of Things (IoT), wearable electronics will be the...

12.4k 8

Published in Elektor

Cool Controller Concept CoCo-ri-Co! [140183]

by ClemensValens

This is a design for a small, low-cost, very flexible microcontroller...

19.9k 6

Mercury Single-Board Computer

by ClemensValens

This is about two microcontroller boards I received some time ago from...

8.2k 0

Software Defined Radio (SDR) - What Do You Want?

by ClemensValens

In Mai 2007 Elektor published a receiver front end for Software Define...

16.1k 17

Controller for Household Appliance Motors - Request for Comments

by ClemensValens

We want to start a project to develop a controller for motors scavenge...

8.5k 10

Practical 4-channel ADC [140169]

by ClemensValens

The assembled module is available in our shop.

10.6k 6

Published in Elektor

J2B Synthesizer [140182]

by ClemensValens

This is a port of the Soulsby Atmegatron 8-bit monophonic synthesizer...

35.2k 18

Circuit Diagram

by ClemensValens

Schematics is the language of electronics. It provides a concise...

9.4k 0

Published in Elektor

4-Channel USB-to-Serial Converter + 3-Port USB Hub [140033]

by ClemensValens

Cool project. Offers a serial to USB bridge featuring two full 9-pin R...

17.3k 10

3D-print Your Own Ink - Please Add Your Photo(s) Here

by ClemensValens

This is a support page for the Elektor Magazine June 2014 articleEN: 3...

16.1k 15

Capacitive Liquid Sensor [140130]

by ClemensValens

Following up a suggestion contributed to the Siphon-based Rain Meter p...

9.8k 0

Published in Elektor

Moving-Dot Display Driver [140111]

by ClemensValens

A simple circuit to create a moving dot display from a voltage similar...

9.2k 0

Personal Alarm for Old and/or Disabled People

by ClemensValens

My neighbor from across the street is close to 90 years old and he is...

9.4k 14

Elektor Chip E-Lock Reference Project [130499/130280]

by ClemensValens

Here are some goodies (source code, tools and documentation) to play w...

16.4k 50

RIoT Board - First Impressions

by ClemensValens

Today, February 6, 2014, The RIoT Board was announced by element14. It...

17.7k 2

J2B - LPC1343 Based Universal Man-Machine Interface (MMI) Module [110274]

by ClemensValens

Let's Stop Reinventing the Wheel!

15.0k 0

IO-Warrior Board [130006]

by ClemensValens

An I/O extension board targeted at industrial and control applications...

9.4k 2

An atmospheric electrical instrument for educational outreach [130416]

by ClemensValens

Electricity in the atmosphere provides an ideal topic for educational...

5.1k 0

Scientific Calculator

by ClemensValens

EEweb.com's online scientific calculator is free. They also have some...

7.7k 0

LPC810 with PCF8563 I²C Real-Time Clock

by ClemensValens

A little circuit to try out the built-in I²C driver of the LPC810. Tha...

12.8k 4

FPGA extension board [130148-I]

by ClemensValens

Extension board for the Elektor FPGA module 120099-91 designed by thre...

10.3k 1

Hyperactive LED Christmas Tree [120634]

by ClemensValens

With elaborate light show and daisy-chain capability.

12.4k 1

Published in Elektor

Siphon-based Rain Meter

by ClemensValens

A rain meter without moving parts. It will be an add-on module for Ele...

14.1k 6

Time machine

by ClemensValens

I was thinking of building a machine to virtually travel through time....

9.6k 2

Published in Elektor

Wi-Fi RGB LED strip (120718)

by ClemensValens

Wouldn't it be nice, if you could put an RGB LED strip anywhere in you...

24.8k 15

Published in Elektor

Platino - Versatile Board for AVR Microcontrollers [100892 & 150555]

by ClemensValens

Arduino compatible PCB for 28-pin and 40-pin AVR microcontrollers, inc...

36.4k 20

Telescope alignment system - help wanted

by ClemensValens

We are looking for people who can help with the development of a simpl...

5.8k 11

Published in Elektor

Wi-Fi / Bluetooth / USB shield for Arduino & Platino (120306)

by ClemensValens

Today all & sundry, devices included, have to be “connected”, 24/7, al...

17.3k 7

Published in Elektor

Preamplifier 2012 (1) - introduction and line-in/tone/volume board (110650)

by ClemensValens

Audio lovers, sit up. Besides presenting a truly high end audio contro...

63.6k 165

Easy scrolling LED Message Board with mbed

by ClemensValens

Tipped off by my friend Gregory I recently bought an LED panel with 32...

16.8k 7

Projects from ClemensValens