Exploring Eagle CAD ULPs #4 – Renumber The Parts Number In Order
Welcome to the 4th post of the “Exploring Eagle CAD ULPs” series. Every week we will publish a new post about one useful ULP in Eagle CAD. “ULP” User Language Program is a plain text file which is written in a C-like syntax and can be used to access the EAGLE data...
Continue ReadingTools for the Electronics Hobbyist Part 2- LC200A L/C Meter
When I started to deal with Chinese electronics suppliers from websites like Alibaba, Aliexpress and Taobao, I discovered that there are huge amount of undiscovered tools from the Chinese market. They are not easily discovered, maybe due to the Chinese language barrier, especially when we...
Continue ReadingOmnipod wearable insulin pump teardown
mikeselectricstuff @ youtube.com shares his wearable insulin tear-down. This is an interesting device to tear-down so take a look. Omnipod wearable insulin pump teardown -...
Continue ReadingDIY Altimeter using a NEO UBLOX GPS module and a Color OLED
In this video educ8s.tv is going to build a DIY Altimeter using the UBLOX NEO-6M GPS module along with a color OLED display with the SSD1331 driver. About a year ago, I built some GPS projects using this GPS shield. This shield is great but unfortunately it is no longer available for...
Continue ReadingMeasuring the speed of light with electronics
The speed of light in vacuum is a well-known universal constant and is considered to be the nature's ultimate speed limit. No matter, energy, and information can travel faster than this speed. The speed of light has always been a topic of great interest and significance throughout...
Continue ReadingInductive Proximity Switch Using TCA505
This circuit is used to design an inductive proximity switch. The resonant circuit of the LC oscillator is implemented with an open half-pot ferrite and capacitance in parallel (pin LC) and if a metallic target is moved close to the open side of half pot ferrite, energy is drawn from...
Continue ReadingLTC3623 – Switching regulator doubles as Class-D audio amplifier
Clemens Valens @ elektormagazine.com discuss about LTC3623 switching regulator which can be used as Class-D Audio Amplifier. Sure thing, Elektor has published several designs of adjustable power supplies based on switching regulators, so we know that doing this properly in a...
Continue ReadingChronio – Low power Arduino based (smart)watch
Max.K @ hackaday.io designed his own impressive watch based on Atmega328p with Arduino bootloader, Maxim DS3231 (<2min per year deviation), 96x96 pixel Sharp Memory LCD (LS013B4DN04) and it's powered by a CR2025 160mAh coin cell battery. Chronio is an Arduino-based 3D-printed...
Continue Reading