Ccircuitrocks·Oct 6Two ESP32s Talk Over Light Using Just One LED EachTwo ESP32s Talk Over: SecurePair lets two ESP32 boards pair and swap encryption keys over visible light, with one LED per board doing double duty as…3 min read·circuitrocks.hashnode.dev
Ccircuitrocks·Aug 30Wireless ESP32 Bike Brakes: ABS From Car Door Lock ActuatorsA fat-bike brake with no cable at all: ESP32 nodes talking over ESP-NOW drive car door lock actuators, unlocking ABS and an adjustable bite point.3 min read·circuitrocks.hashnode.dev
Ccircuitrocks·Jul 23ESP32 Bowling Scoring System Beats a $120K Proprietary QuoteESP32 Bowling Scoring System: An engineer replaced a $120,000 bowling scoring system with $1,600 of ESP32 boards, ESP-NOW mesh, and a Raspberry Pi.2 min read·circuitrocks.hashnode.dev
Ccircuitrocks·Jul 21ESP32 Mesh Replaces a $120k Bowling Scoring System for $1,600ESP32 Mesh Replaces 120k: An abandoned 8-lane bowling center needed an $80k scoring system.3 min read·circuitrocks.hashnode.dev
Ccircuitrocks·Jun 13Build Your Own ESP32 Walkie-Talkies With ESP-NOWOwn ESP32 Walkie-Talkies ESP-NOW: A pair of XIAO ESP32S3 boards plus ESP-NOW make 3D-printed walkie-talkies that hold a voice link past 200 meters, no…2 min read·circuitrocks.hashnode.dev
AAyushi Lathiya·Dec 25, 2024A Guide to ESP-NOW: Unidirectional CommunicationExplore the low-latency protocol boosting smooth and effective wireless connections.2 min read·ayushilathiya.hashnode.dev