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Alejandro Ruiz
28 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
Alejandro Ruiz
3 months ago
Raspberry Pi 5 arrived! Setting up a home media server with Jellyfin. The performance is incredible! Hardware transcoding works flawlessly. Added a 4TB NVMe for storage. Power consumption is surprisingly low. The whole family's media library accessible anywhere. Best Pi project yet! #raspberrypi #homeserver #diy #mediaserver
Alejandro Ruiz
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
Alejandro Ruiz
2 months ago
ESP32 project complete! Built a smart thermostat with WiFi control and OTA updates. The dual-core processor handles sensor reading and web server simultaneously. Touch display shows temperature graphs. Saved 20% on heating bills by optimizing schedules. DIY smart home for the win! #esp32 #iot #homeautomation #smartthermostat
Alejandro Ruiz
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
Alejandro Ruiz
20 days ago
STM32 project: High-precision motor controller for my CNC machine. 32-bit MCU power! Running at 168MHz with hardware PWM. Closed-loop control with encoder feedback. Microstepping for smooth motion. The accuracy improvement over Arduino is significant. Industrial-grade DIY! #stm32 #cnc #embedded #motorcontrol
Alejandro Ruiz
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
Alejandro Ruiz
2 months ago
Raspberry Pi 5 arrived! Setting up a home media server with Jellyfin. The performance is incredible! Hardware transcoding works flawlessly. Added a 4TB NVMe for storage. Power consumption is surprisingly low. The whole family's media library accessible anywhere. Best Pi project yet! #raspberrypi #homeserver #diy #mediaserver
Alejandro Ruiz
2 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
Alejandro Ruiz
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
Alejandro Ruiz
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
Alejandro Ruiz
3 months ago
Bluetooth Low Energy beacon project. Asset tracking for the workshop! ESP32 devices scan for beacons continuously. Position triangulation from signal strength. Dashboard shows last known location of tools. No more searching for the multimeter. Simple solution to annoying problem! #ble #bluetooth #tracking #esp32
Alejandro Ruiz
2 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
Alejandro Ruiz
3 months ago
LoRa network for farm monitoring. 2km range with solar-powered sensor nodes! Deployed 12 sensors across the property. Gateway connects to cloud for alerts. Battery lasts 6+ months. Soil moisture, temperature, and livestock tracking all in one system. Agriculture IoT is transformative! #lora #agriculture #iot #farming
Alejandro Ruiz
2 months ago
Raspberry Pi 5 arrived! Setting up a home media server with Jellyfin. The performance is incredible! Hardware transcoding works flawlessly. Added a 4TB NVMe for storage. Power consumption is surprisingly low. The whole family's media library accessible anywhere. Best Pi project yet! #raspberrypi #homeserver #diy #mediaserver
Alejandro Ruiz
3 months ago
Flashed Tasmota on all my smart plugs. Local control without cloud dependency! Power monitoring shows energy usage per device. Scheduled the pool pump for off-peak electricity. No more wondering if China knows when I turn on my lights. Privacy and functionality! #tasmota #smartplug #privacy #iot
Alejandro Ruiz
3 months ago
LoRa network for farm monitoring. 2km range with solar-powered sensor nodes! Deployed 12 sensors across the property. Gateway connects to cloud for alerts. Battery lasts 6+ months. Soil moisture, temperature, and livestock tracking all in one system. Agriculture IoT is transformative! #lora #agriculture #iot #farming
Alejandro Ruiz
1 month ago
Raspberry Pi 5 arrived! Setting up a home media server with Jellyfin. The performance is incredible! Hardware transcoding works flawlessly. Added a 4TB NVMe for storage. Power consumption is surprisingly low. The whole family's media library accessible anywhere. Best Pi project yet! #raspberrypi #homeserver #diy #mediaserver
Alejandro Ruiz
4 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
Alejandro Ruiz
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
Alejandro Ruiz
23 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
Alejandro Ruiz
3 months 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
Alejandro Ruiz
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
Alejandro Ruiz
3 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
Alejandro Ruiz
3 months ago
LoRa network for farm monitoring. 2km range with solar-powered sensor nodes! Deployed 12 sensors across the property. Gateway connects to cloud for alerts. Battery lasts 6+ months. Soil moisture, temperature, and livestock tracking all in one system. Agriculture IoT is transformative! #lora #agriculture #iot #farming
Alejandro Ruiz
3 months 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
Alejandro Ruiz
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
Alejandro Ruiz
1 month 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
Alejandro Ruiz
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
Alejandro Ruiz
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