PWM dimmer for RGB LED
https://www.electronics-lab.com/pwm-dimmer-for-rgb-led/
Lukas Fassler has designed and built a PWM dimmer for RGB LED: In my last post I’ve described the design and construction of my LED dimmer project. This project here is similar but a bit more involved. It controls RGB LEDs so it can not only change the brightness but also the color of the […]
Arduino DS18B20 Thermometer on iOS or Android
https://www.electronics-lab.com/arduino-ds18b20-thermometer-on-ios-or-android/
maroelawerner @ instructables.com has a tutorial on how to display temperature data on an Android or iOS device using Arduino and Blynk app. In this Instructable I am going to attempt to show you how to put together a little project to use the Blynk app (optainable at http://www.blynk.cc/) to display the temperature remotely on a […]
How to Implement Embedded Ethernet
https://www.electronics-lab.com/how-to-implement-embedded-ethernet/
Maurizio @ dev.emcelettronica.com has tipped us with his latest article on how to implement embedded Ethernet on any mcu. The article shows the basic principle of Ethernet implementation. Usually We need embedded systems inside devices, particularly the so-called intelligent devices, to communicate with a command/control/administrative center. Typical such situations could be a remote security camera […]
Geiger–Müller counter that works with Arduino
https://www.electronics-lab.com/geiger-muller-counter-that-works-with-arduino/
Bob @ robertgawron.blogspot.com has posted a Geiger-Muller project that can be used with Arduino or any other microcontroller board. The Geiger–Müller counter is a relatively simple tool to measure ionizing radiation. To increase sensitivity, construction presented here contains three (instead of one as usually) soviet STS-5 lamps. This is important for measurements of natural sources of […]
5V to 400V DC-DC converter
https://www.electronics-lab.com/5v-to-400v-dc-dc-converter/
Bob has tipped us with his latest project. It’s a 5V to 400V DC-DC Converter based on MC34063 IC and can be used in various projects such as Geiger–Müller counters. A small and cheap 5V/400V DC/DC converter can be useful in many DIY projects, e.g Geiger–Müller counters. I will present here one of such DC/DC converter based […]
Large 8×8 LED Matrix Display
https://www.electronics-lab.com/large-8x8-led-matrix-display/
jollifactory @ instructables.com has published a large 8×8 LED Matrix Display which is driven by a MAX7219 and Arduino. For this project, we will be building a single color large LED matrix display which is made up of a few large 8×8 LED matrix modules daisy-chained together. Each of these 8×8 LED matrix modules is around […]
8×8 RGB Led Matrix with WS2812 driver with Arduino Uno
https://www.electronics-lab.com/8x8-rgb-led-matrix-with-ws2812-driver-with-arduino-uno/
In this video we learn how to use this 8×8 RGB LED matrix. This matrix is using the WS2812 driver and it is great, because each LED is individually addressable. Only one microcontroller pin is required to control all the LEDs, and you get 24 bit color for each LED. 8×8 RGB Led Matrix with […]
Arduino Network Analyzer
https://www.electronics-lab.com/arduino-network-analyzer/
Brett Killion has published his Arduino shield a Network Analyzer on an Arduino Shield which covers from 0-72MHz. The network analyzer shield uses an Analog Devices AD9851 DDS chip clocked at 180MHz which will output a sine wave at any frequency from 0Hz and 72MHz. The DDS output is filtered with a Butterworth LPF and […]
DIY FPGA Programming
https://www.electronics-lab.com/47653-2/
TC-Engineering has documented their efforts to program a Spartan 6 FPGA using a DIY PCB. The hardware part and software are discussed on the link below. I’ve been thinking about building stuff with FPGA’s for a while, and usually get turned away because FPGA’s are considerably harder to implement than microcontrollers since they have no on-chip […]
Power-on Reminder with LED Lamp
https://www.electronics-lab.com/power-on-reminder-with-led-lamp/
Many a times equipment at workstations remains switched on unnoticed. In this situation, these may get damaged due to overheating. Here is an add-on device for the workbench power supply that reminds you of the power-on status of the connected devices every hour or so by sounding a buzzer for around 20 seconds. It also […]