Xiaomi recently released the MIJIA Night Light 2 which had a motion sensor ... lamp equally uses high-quality lamp beads with rated power as low as 0.4W. As for the price, the Yeelight Plug ...

Adding a light-dependent resistor and a further 100K resistor was all that was needed to enable this feature. Now, the lamp only kicks on if it detects motion at night. Some further tweaks also ...