Controlling DC motors with Arduino and L293
https://www.electronics-lab.com/controlling-dc-motors-arduino-l293/
This tutorial shows how to interface DC motors using L293D motor driver IC and Arduino. Controlling DC motors with Arduino and L293 – [Link]
How to use a fully differential amplifier as a level shifter
https://www.electronics-lab.com/use-fully-differential-amplifier-level-shifter/
Loren Siebert @ ti.com discuss about how to interface signals that have a reference voltage that isn’t 0V while preserving the DC information. Many signal paths are direct current (DC)-coupled, and this can lead to challenges when different portions of the signal path require different operating conditions. Many portions of a signal path are ground-referenced, […]
MemType USB Stick With All Your Passwords
https://www.electronics-lab.com/memtype-usb-stick-passwords/
Noela and Miguel from Area0x33 made a really helpful tool on hackaday.io. They designed a fully open source hardware USB stick to store your username/password pairs on. MemType uses Atmel ATtiny85 MCU and V-USB to do the communication over USB. V-USB is software-only implementation of a low-speed USB device for Atmel’s AVR microcontrollers. Memtype uses […]
Differential Pair Routing and Meander Tool in Eagle CAD
https://www.electronics-lab.com/differential-pair-routing-meander-tool-eagle-cad/
When you see some board designs, especially ones with high speed signals or differential pair signals, then you will notice a lot of zigzag/meander lines on PCB. If you’re wondering whether you can do differential pair routing, then the answer is simply yes by using Meander tool. First, let’s see how we can draw Differential […]
They’re ‘Not’ JUST Capacitors
https://www.electronics-lab.com/theyre-not-just-capacitors/
James Lewis from Kemet has made a presentation to address some of misconceptions about capacitors like how you should de-rate capacitors. James said that de-rating depends on the chemistry and configuration of a particularly capacitor. So he started by asking a question: Should capacitors be de-rated 50%? And the answer was not a simple true […]
Temperature controlled Fan
https://www.electronics-lab.com/temperature-controlled-fan-2/
Ahmad Al-Shalabi and Bassma Karbouj show us how to control a DC fan using easy to find components. The fan works when temperature reach into pre-specified threshold. The purpose of this project is creating a cooling system by controlling in a DC fan in a simple way without using Microcontrollers or Arduino but by using […]
Inverter crystal oscillator
https://www.electronics-lab.com/inverter-crystal-oscillator/
Vasily Ivanenko build some discrete chip oscillators with 74HC series logic gates and tests them on his oscilloscope. He writes: In numerous RF synthesizer chips lies an inverter with input and output pins for making a reference crystal oscillator clock. I built some discrete chip inverter xtal oscillators with 74HC series logic gates to better […]
BMX160 from Bosch Sensortec, a New Smallest 9-axis Motion Sensor
https://www.electronics-lab.com/bmx160-bosch-sensortec-new-smallest-9-axis-motion-sensor/
Bosch Sensortec announced a new 9-axis motion sensor, the BMX160, on June 21, 2016. BMX160 targets smartphones, smartwatches and other wearables applications. It has a low power consumption (580 μA), which is proper for long working time on battery for this type of applications, also BMX160 is fully Android Marshmallow compliant. BMX160 integrates 3-axis accelerometer, […]
A 1.99$ Wifi Module from ITEAD Based on ESP8285 the Killer of ESP8266
https://www.electronics-lab.com/1-99-wifi-module-itead-based-esp8285-killer-esp8266/
Espressif announced ESP8285 a Wi-Fi chip for wearable devices on May,2016. Some described this chip as the killer of ESP8266, that is because ESP8285 includes an embedded 1 MByte flash memory. This means smaller area in PCB is needed to include your Wifi chip while the old ESP8266 needed external SPI flash to run user […]
How to Create Inverted Silkscreen in Cadsoft Eagle
https://www.electronics-lab.com/create-inverted-silkscreen-cadsoft-eagle/
If you’re one of EAGLE CAD fans, and you were wondering how some boards like Arduino boards have what’s called a negative silkscreen, hollow rectangles or shapes by text or logo, then you will learn how to do it with Ishaan’s video tutorial. Ishaan used a ULP called “negasilk.ulp” in his tutorial. It is written […]