A full-featured, portable weather data recorder

A full-featured, portable weather data recorder

Do you wonder how to build a personal weather station with data logging capability?


Analog front-end IC linearizes sensors

Analog front-end IC linearizes sensors

Susan Nordyk @ edn.com discuss about LTC2986 which is able to digitize and linearize a combination of temperature sensors in...


Share Your Internet Connection With Raspberry Pi Zero Over USB

Share Your Internet Connection With Raspberry Pi Zero Over USB

Raspberry Pi Zero is the smallest member in Raspberry Pi single-board computers family with a single-core 1 GHz processor chip, a...


MAX232: The classic IC lives on since 1988

MAX232: The classic IC lives on since 1988

by Len Sherman @ edn.com: The June 23, 1988 issue of EDN included a Maxim Design News insert where we asked “Who in their right mind would choose a c...


SoM / CoM USB by mixos
Homebrew Multimode Digital Voice Modem adapter

Homebrew Multimode Digital Voice Modem adapter

Florian Wolters made his own version of MMDVM adapter: During experiments with digital voice mode in hamradio I discovered a nice...


ESP8266 temperature logger

ESP8266 temperature logger

A ESP8266 temperature logger project from Facelesstech: I decided to use the esp-01 module because I only need 2 GPIO pins since...


Hall-effect current sensing replaces shunt-resistive measurements

Hall-effect current sensing replaces shunt-resistive measurements

These high speed isolated calibrated current sensors are presented as an effective alternative to conventional shunt based...


850nm infrared LED outputs 770mW at 1A

850nm infrared LED outputs 770mW at 1A

by Julien Happich@ edn-europe.com Designed for infrared illumination for cameras, surveillance systems or machine vision, the Oslon Black SFH 4715A...


Butchered USB TTL Serial Adaptor

Butchered USB TTL Serial Adaptor

Aaron Brady writes: We popped open the case, and there were two main ICs, a Prolific 2303 (the USB to Serial IC) and a ADM3251E...


USB by mixos
Dark Sensitive Lamp ON/OFF Controller

Dark Sensitive Lamp ON/OFF Controller

Dark Sensitive Lamp controller project switches a load connected to it when light falling on LDR (Light Dependent Resistor) goes...


Using USB Type-C on hobbyist projects

Using USB Type-C on hobbyist projects

Tyler has build a breakout board for Type-C USB plug and explains how this can be used in various DIY projects.


USB to UART Converter with GPIO – MCP220

USB to UART Converter with GPIO – MCP220

The Module is based on The MCP2200, which is a USB-to-UART serial converter which enables USB connectivity in application that...