ESP32 S2 Mini BoardBased ESP32-S2FN4R2 WIFI ICTYPE-C USB Connect; Compatible with LOLIN D1 mini shields27 digital input/output pins, all pins have int..
MAX31865 Platinum Resistance Temperature Detector Module RTD SensorFeatures:1. The product is a temperature sensor whose resistance changes with tempe..
1. LED lights show the power, non-working state of intelligent automatic shutdown;Built-in lithium battery protection IC, over-current, overvoltage, u..
Voltage: 5 vOutput signal LED indication, TTL level outputTTL output effective signal for high level, Output control current up to 1A can be external ..