CNX Software

Flash Bee – An ESP32-C3-based DIY handheld lightning detector

Flash Bee is an easy-to-make DIY handheld lightning detector based on an ESP32-C3 board, a round display, and AMS AS3935 ...
CNX Software

Open-source hardware DAB+ receiver combines ESP32 SoC with Skyworks SI4684 digital radio chip

When I wrote about a DIY ESP32-S3 internet radio last week, "raspbeguy" commented he'd rather choose an ESP32-based DIY DAB+ ...
IEEE

Dynamic Adjustment of PIR Sensor Sensitivity and Timing via Bluetooth-Controlled Resistor Switching

Abstract: This paper presents a novel approach to dynamically adjust the sensitivity and timing parameters of a Passive Infrared (PIR) motion sensor using an Arduino-based control system. Traditional ...
GitHub

ScioSense ENS16x Arduino Library

Arduino library for the ENS16x digital four channel MOX gas sensors with I2C/SPI interface from ScioSense. ENS16x is a range of digital multi-gas metal oxide (MOX) sensors, specifically designed for ...
IEEE

Real-time room occupancy estimation with Bayesian machine learning using a single PIR sensor and microcontroller

Abstract: This paper presents the implementation and deployment of a compute/memory intensive non-parametric Bayesian machine learning algorithm on a microcontroller unit (MCU) to estimate room ...
GitHub

BlueRobotics MS5837 Library

Arduino library for the MS5837 pressure sensor. The MS5837 is a tiny SMT pressures sensor from Measurement Specialties that can measure pressure of up to 30 Bar (300m depth) with resolution of 0.2 ...