Exploring low power wireless sensor networks with practical everyday things

๐Ÿถ ๐Ÿ— ๐ŸŽ ๐Ÿงบ ๐Ÿ‘œ ๐Ÿ”‹ ๐Ÿ“ฆ ๐Ÿ“ƒ ๐Ÿšช ๐Ÿ’ก ๐Ÿก

Projects created

with open source hardware and software

Oak photo




๐ŸŒณ Measure outdoor distance between 2 keychain holders ๐Ÿ”‘

power LiPo
wireless LoRa
sensor GPS
mcu SAMD21E
How to build it
Pine photo



September 2020

๐ŸŒฒ Control aircon by monitoring temperature in other parts of the room ๐ŸŽ

power AA
wireless Infrared
sensor Temperature
mcu SAMD21G18
bom cost USD $9.71
bom items 49
vendors 2
How to build it
Palm photo



July 2019

๐ŸŒด Get alerted on excessive UV radiation with a backpack keychain ๐Ÿ—

power 380mAh LiPo
wireless BLE
sensor UV Index
mcu nRF52
bom cost USD $50.56
bom items 13
vendors 4
battery life 5 days
How to build it
Cactus photo



May 2019

๐ŸŒต Measure humidity in kitchen cupboards to keep food fresh ๐Ÿถ

power 2000mAh LiPo
wireless WiFi
sensor Humidity
mcu ESP8266
bom cost USD $26.00
bom items 36
vendors 5
battery life 1 month
How to build it