Author: Yahya Tawil

David Jones made a tutorial on the fundamentals of zener diodes over his EEVblog youtube channel. David started the tutorial comparing between zener and regular diode. Both have the same characteristics and same I-V chart, but zener is designed to work in the negative voltage...

Arrow Electronics, the well known company specialized in distribution and services related to electronic components and computer products, and Indiegogo crowd-funding website announced the “Arrow Certification”. Crowd-funding a hardware product is something not so easy and...

If your application needs a controller with display interface and a network connectivity, then you need to think about using 4Duino from 4D Systems, a 2.4" TFT LCD IoT display module. 4Duino key features 4Duino has ATmega32U4, a 8-bit MCU from Atmel, which is the same...

Meet NanoPi NEO the latest member in NanoPi family from FriendlyARM. NanoPi NEO features Allwinner H3 CPU, a Quad-core Cortex-A7 Up to 1.2GHz CPU. It’s available with 256MB DDR3 RAM or 512MB one with additional 2$ for the last one. The board has 10/100M Ethernet RJ-45 jack,...

Wave generator is one of the most needed tools in our electronics labs, you can buy a fully functional ready made one or make a simple one using your Arduino. Joekutz over Hackaday.io created a simple wave generator using Arduino powered from 9V battery and produces amplified and...

A lot of power supply designs are here and there on the Internet, but not all of them have constant current and voltage modes. You can read the following Q&A in electronics.stackexchange to learn what constant current and voltage modes mean. Elia over Hackaday.io built a linear...

Bluetooth 4.0 introduced the Bluetooth low energy (BLE), which is a version of Bluetooth protocol designed for devices with power constraints like battery powered sensors. Bluetooth low energy beacons are BLE (Bluetooth Low Energy) enabled devices, they repeatedly broadcast radio...

“Teensy” is a tiny size board compatible with Arduino software and libraries. Teensy 3.1 & 3.2 was the last version from Paul Stoffregen (PJRC Company) the creator of Teensy. Paul started a Kickstarter campaign for The new Teensy 3.5 and 3.6 and until the time of...