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Micro Numitron Clock
Hacker page by oshpark
Jeremy g. on hackaday.io created this tiny retro clock:Micro NumiTron clockSuper tiny, Micro clock using a Numitron as its display. Running off a 400mAh lipo battery.WeisTekEng has shared the design files and source code are on GithHub: MicroNumitronThe...

Yes-No Thing
Hacker page by fullyanalog-programmer
An electronic excise and a table piece made for a themed party. A basic exercise in physical input-output using a servo logic. A breadboard with a servo, joystick, arduino nano, and a usb-to-serial adapter all sitting on a usb charger. A very short arduino...

Which Arduino board to buy?
Hacker page by alldigitalservicesforu
Arduino is a fantastic platform for anyone who wants to get started with programming and electronics. With so many different boards available, it can be difficult to know which one to choose. In this post, we’ll explore the different types of Arduino...

What is the difference between LoRaWAN and NB-IoT？
Hacker page by Fred .K. Morgan
1. Ecosystem LoRaWAN is supported by the LoRa Alliance, an open non-profit association composed of more than 500 members. Its members work closely together and share experiences, promote and promote the success of the LoRaWAN protocol, and become the...

70cm band Antennas
Hacker page by Christoph Tack
General Understanding Antenna Specifications and Operation : Application Note AN-00501 The quarter wavelength on 433MHz is 17cm. VSWR < 2.0 is acceptable. Less than 10% of the power will be reflected back to the transmitter. Baluns avoid RF-radiation...

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