Although off-the-shelf breadboards are plentiful and cheap, they almost always seem to use the same basic design. Although you can clumsily reassemble most of them by removing the voltage rail ...

Last year, Semtech released the LR2021 LoRa Plus transceiver chip, designed to address the low data-rate issue associated with LoRa, but surprisingly, ...

We used to need SBCs for these projects; modern microcontrollers handle them more easily and inexpensively while being easier ...

They're reference designs for a reason.

Arduino test code is run to see if the sensors are working properly, with built-in LED flashing when the sensor is triggered, and turning off when the sensor is released. The testing of the keys ...

D0WD, a low-cost alternative to LilyGo T-Display, lets you mirror your desktop monitor over Wi-Fi with an ESP32 ...

Fidget toys are everywhere these days. A particularly popular type simply puts some keyboard switches on a plate to provide a certain type of clicky satisfaction. [wjddnjsdnd] took that concept a ...

The AD5593R is an IO device with 8 channels that can be configured as ADC DAC or GPIO. In that sense it is one of the most flexible IO expanders on the market. Both the ADC and DAC are 12 bit, giving ...

I2C_PWM_generator is a sketch to change an Arduino UNO in an I2C slave device to control the 6 PWM outputs of the Arduino UNO. One can think of this sketch as a co-processor that handles the 6 PWM ...