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Sensor packs (DHT22
Operating frequency: 30
you can use the toggle to connect and disconnect the two pins on the bottom
19: Arduino AD selection jumper
An Arduino Uno-style development board built around the ATmega328
ESP-01 512KB WiFi ESP8266 - Crowtail Edition anti static brush Sensor packs (DHT22ESP 01 512 KB The Original Ultra Compact WiFi Serial Module The ESP 01 512 KB WiFi Serial Transceiver Module is the module that launched the ESP8266 revolution. At under 15 25 mm, it is still one of the smallest ways to give any UART capable microcontroller access to a full 802. 11 WiFi network using simple AT commands no stack, no library, no extra hardware required on the host side. With 512 KB of flash, it is designed primarily for AT command
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