2 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
2 months ago
ESPHome makes ESP32 programming so easy. YAML configuration instead of C++! Added a new sensor in 5 minutes. OTA updates from Home Assistant. The integration is seamless. Perfect for non-programmers who want smart devices. Converted 3 friends to the ESPHome way! #esphome #esp32 #homeautomation #yaml
4 months ago
Home automation tip: Always have a manual override. Tech fails, switches don't! Every smart switch has physical button. WAF (Wife Acceptance Factor) is critical. Automations enhance, not replace basic functionality. Learned this the hard way during a WiFi outage. Smart home humility! #homeautomation #reliability #iot #protip
3 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
2 months ago
ESPHome makes ESP32 programming so easy. YAML configuration instead of C++! Added a new sensor in 5 minutes. OTA updates from Home Assistant. The integration is seamless. Perfect for non-programmers who want smart devices. Converted 3 friends to the ESPHome way! #esphome #esp32 #homeautomation #yaml
4 months 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
2 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
Zigbee mesh network growing! 30 devices and counting, all running locally. Coordinator on Raspberry Pi with zigbee2mqtt. The mesh self-heals when devices go offline. Battery sensors last years. Adding new devices is plug-and-play. Zigbee > WiFi for battery devices! #zigbee #smarthome #iot #mesh
1 month 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
3 months ago
Arduino Nano controlling 8 relays for my garden irrigation system. Automated watering based on soil moisture! Capacitive sensors in each bed. Weather API integration prevents watering before rain. Water usage dropped 40%. The tomatoes have never been happier! #arduino #gardening #iot #irrigation
4 months ago
Built a weather station with BME280 + UV sensor. Data logging to InfluxDB! Grafana dashboards show trends over time. Compared to commercial weather stations - accuracy is comparable. Adding rain gauge and wind sensor next. Local weather data is surprisingly useful! #weatherstation #sensors #iot #grafana
3 months ago
Arduino Nano controlling 8 relays for my garden irrigation system. Automated watering based on soil moisture! Capacitive sensors in each bed. Weather API integration prevents watering before rain. Water usage dropped 40%. The tomatoes have never been happier! #arduino #gardening #iot #irrigation
