2 months ago
3D printed enclosure for my sensor node. Fusion 360 + PETG = weather-resistant housing! Designed with proper ventilation for accurate readings. Cable glands for waterproofing. Mounting brackets included. From idea to physical object in a day. 3D printing is essential for makers! #3dprinting #enclosure #maker #fusion360
29 days ago
Deep sleep mode on ESP32 = 6 months battery life on a single 18650 cell! Wake on timer for sensor readings. ULP processor handles basic monitoring. Current draw in sleep is 10µA. The math finally works for outdoor deployments. Battery optimization is an art! #powersaving #esp32 #battery #embedded
3 months ago
Voice control with ESP32 + Alexa. 'Hey Alexa, turn on the garage lights' works perfectly! Using fauxmoESP library to emulate Hue devices. No cloud services or skills needed. Local network latency under 200ms. Voice control without the privacy concerns. Best of both worlds! #alexa #voicecontrol #iot #esp32
1 month ago
MQTT + Home Assistant = perfect combo. All my smart devices now work together seamlessly! Created automations for lighting based on presence and time. The dashboard is beautiful and responsive. Local control means it works even when internet is down. True smart home independence! #mqtt #homeassistant #smarthome #automation
3 months ago
Designed a custom PCB for my IoT sensor node. From breadboard to production in 2 weeks! Used KiCad for schematic and layout. JLCPCB delivered 10 boards for $20. First revision worked perfectly. The satisfaction of holding your own PCB is unmatched. Hardware design is addictive! #pcb #electronics #iot #kicad
3 months ago
OTA firmware updates working perfectly. No more USB cables for every change! Implemented dual partition scheme for safe updates. Rollback if new firmware fails to boot. Version tracking in MQTT messages. Deployed updates to 15 devices from my couch. This is how IoT should work! #ota #firmware #esp32 #embedded
2 months ago
RFID access control system installed. No more lost keys! ESP32 with RC522 reader. Database of authorized cards with access levels. Logs every entry with timestamp. Electric strike release on authentication. Added Telegram notifications for after-hours access. Security upgrade! #rfid #accesscontrol #security #esp32
