Infrared Photoelectric Switch Category_Display & LED/Accessories not only meeting the needs

not only meeting the needs of various water quality measuring but are also suitable for the DIY multi-parameter water quality tester

The board includes a rechargeable 3V/1mAh battery to provide backup power for up to four hours to maintain a hot start of just a single second

These LED strips are controlled by a simple

The board has an integrated voltage regulator for 3

Infrared Photoelectric Switch Category_Display & LED/Accessories not only meeting the needsThis is a pair of photoelectric switches with a detection distance of up to 1. 5m and a fast and stable response time of less than 1ms. The module consists of a transmitter and a receiver. The transmitter contains an infrared diode that can emit infrared rays with strong penetration, thereby ensuring that the sensor can achieve stable signal reception regardless of weather, which greatly improves its measurement accuracy. The module has a small size