LilyGO has recently released the T-Display S3 Pro LR1121, a new ESP32-S3 development kit with a Semtech LR1121 transceiver ...

EDATEC has recently released the ED-IPC1000 and ED-IPC1100 Raspberry Pi CM0 -based industrial box PCs with DIN-rail mounting ...

When you think of air conditioners, you tend to think of rather bulky units, with the window-mounted appliances probably among the most compact. There’s however no real minimum size limit to these AC ...

Professional mountain bike racing is a rather bizarre sport. At the highest level, times between podiums will be less than a ...

Abstract: This paper presents a comprehensive dynamic modeling and analysis of a Peltier module system, including the thermal effects of the cooling load and heat sink, for precision heat pump ...

BC7595 -- 6 digits 7-segment LED display with 48-key key matrix driver BC7591 -- 32 digits 7-segment LED display with 96-key key matrix driver This library is available for all Arduino devices, and ...

Abstract: An automated numerical optimization workflow using Bayesian optimization and a novel weighted point-of-interest (POI) cost function is proposed and demonstrated for PCB-integrated electric ...

If you need to scan many buttons with 3 Arduino pins you can use SPI. To read up to 90 keys you can issue these commands: #include<SPI.h> #define CS 2 //chip select on D2. HIGH=reset=not selectet, ...