Ingrid Johansson

Electronics hobbyist turning ideas into working prototypes.

1 month ago

OTA firmware updates working perfectly. No more USB cables for every change! #ota #firmware #esp32

3 months ago

Built a CO2 monitor with an SCD40 sensor. Indoor air quality matters! #sensors #airquality #esp32

3 months ago

OTA firmware updates working perfectly. No more USB cables for every change! #ota #firmware #esp32

2 months ago

Bluetooth Low Energy beacon project. Asset tracking for the workshop! #ble #bluetooth #tracking

27 days ago

Built a CO2 monitor with an SCD40 sensor. Indoor air quality matters! #sensors #airquality #esp32

2 months ago

Voice control with ESP32 + Alexa. 'Hey Alexa, turn on the garage lights' works perfectly! #alexa #voicecontrol #iot

22 days ago

Bluetooth Low Energy beacon project. Asset tracking for the workshop! #ble #bluetooth #tracking

3 months ago

RFID access control system installed. No more lost keys! #rfid #accesscontrol #security

2 months ago

ESPHome makes ESP32 programming so easy. YAML configuration instead of C++! #esphome #esp32 #homeautomation

3 months ago

Voice control with ESP32 + Alexa. 'Hey Alexa, turn on the garage lights' works perfectly! #alexa #voicecontrol #iot

3 months ago

Modbus RTU integration with industrial sensors. ESP32 talks to legacy equipment now! #modbus #industrial #iot

3 months ago

Bluetooth Low Energy beacon project. Asset tracking for the workshop! #ble #bluetooth #tracking

2 months ago

ESPHome makes ESP32 programming so easy. YAML configuration instead of C++! #esphome #esp32 #homeautomation