Choosing $1 sound card for DC-capable low speed oscilloscope

Choosing $1 sound card for DC-capable low speed oscilloscope

Tomasz Ostrowski has tested some cheap USB sound cards as low speed oscilloscope interfaces/recorders.


WebRadio player 2 (ARM 32-bit Cortex-M0)

WebRadio player 2 (ARM 32-bit Cortex-M0)

Vassilis Serasidis build a simple Webradio player based on ARM 32-Bit Cortex-M0.


Wifi throwie : improved version

Wifi throwie : improved version

iotests.blogspot.fr build a throwie based on ESP8266 WiFi module and a mini drone battery, he writes: A few months ago, Andreas...


How to ensure a stabile RS485 communication?

How to ensure a stabile RS485 communication?

LTM2881 allows RS485 or RS422 communication even in harsh environment.


Have you tried Serial to Ethernet communication?

Have you tried Serial to Ethernet communication?

More than 50 developers tested Wiznet modules during Pizza workshops in Brno, Bratislava and Budapest.


Arduino WiFi Shield 101 is on sale

Arduino WiFi Shield 101 is on sale

by Zoe Romano @ blog.arduino.cc: We are excited to announce that Arduino Wifi Shield 101 developed with Atmel is now available...


High Speed Ecosystem Support and Calamity Monitoring System

High Speed Ecosystem Support and Calamity Monitoring System

The innovation of equipment for calamity detection and monitoring are quite rampant.


RePhone kit: World’s first open source and modular phone

RePhone kit: World’s first open source and modular phone

Seeed Studio has announced that RePhone, an open source and modular phone kit: With Rephone you can: 1.Create your own phone in...


Transparent ESP8266 WiFi-to-Serial Bridge

Transparent ESP8266 WiFi-to-Serial Bridge

jeelabs @ github.com has written a firmware for ESP8266 that enables it to talk to RS232 of your mcu via WiFi and also programm...


High Reliability, High Isolation Single-Pole-Double-Throw RF switch

High Reliability, High Isolation Single-Pole-Double-Throw RF switch

In telecommunications, ideal RF switches require low insertion loss, high isolation and linearity.


ESP8266 touchscreen WiFi light controller and clock

ESP8266 touchscreen WiFi light controller and clock

Spiros Papadimitriou has build a WiFi light controller and clock based on ESP8266: A couple of months ago I picked up cheap...


Raspberry PI answers, “Is the internet up?”

Raspberry PI answers, “Is the internet up?”

whiskeytangohotel.com has build a internet monitoring device based on Raspberry Pi: It is a pretty commonly uttered question...