An exploration of the mathematical and physical foundations behind ESPEctre, an open-source framework extracting raw Wi-Fi Channel State Information (CSI) from standard ESP32 chips to detect human movement and micro-breathing through walls.
ESPEctre: Through-Wall Human Presence and Respiration Detection Using ESP32 Wi-Fi CSI Read More »
A practical, step-by-step guide on compiling and deploying the ESPEctre external component on an ESP32 via ESPHome, calibrating sensitivity thresholds, and integrating through-wall binary presence sensors into Home Assistant.
A comprehensive hardware engineering guide detailing the root causes of brownout resets, freezes, and flickering in ESP32 WS2812B addressable LED projects, with proven solutions using 74AHCT125/74HCT244 logic level converters, sacrificial pixels, decoupling capacitors, and power injection.
A comprehensive hands-on tutorial explaining how to run quantized YOLO11 (80 COCO classes) object, person, and face detection directly on an ESP32-S3 camera module using ESP-DL vector instructions and the s3_vision ESPHome component.
Local Edge AI on ESP32-S3 with ESPHome: YOLO11 Object and Face Detection Guide Read More »
An end-to-end engineering deep dive into the undocumented raw I/Q ADC/DAC signal chain inside Espressif ESP32 chips and how to build three groundbreaking open-source projects from scratch: the ESPsoup 2.4 & 5 GHz pocket spectrum analyzer and RF reconnaissance suite, the C5VRX 7-resistor zero-CPU 5.8 GHz analog FPV drone video receiver, and the ESP32-DATV / ESP32-DATV-SA 2.4 GHz DVB-S2 digital amateur TV transmitter.
A comprehensive technical breakdown on how undocumented raw I/Q baseband sampling turns the ESP32-C5 into an ultra-low-cost Software Defined Radio capable of demodulating 5 GHz analog FPV drone video feeds.
Unlocking Hidden SDR Capabilities in ESP32 Hardware for 5 GHz Drone Video Reception Read More »
