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or use an external supply within the recommended input range for standalone projects
Check the pin labels on the Force-Sensitive Resistor (FSR) Square and match them to your controller voltage
Onboard 68K load resistor: Onboard 68K load resistor for max 3V analog output
and an ICSP header
you can do point to point application and can also be composed of star network
ESP-01S 1MB WiFi ESP8266 - Serial Transceiver mq135 or use an external supplyAdd WiFi to Any Microcontroller via Serial Tiny, Low Cost, Proven The ESP 01S 1MB WiFi Serial Transceiver Module is the simplest way to add WiFi connectivity to an Arduino, STM32, PIC, or any microcontroller with a UART port. Send AT commands over serial and the ESP 01S handles all WiFi networking TCP connections, HTTP requests, UDP, and more without consuming your main MCU's resources. The "S" variant upgrades the original ESP 01 with 1 MB of flash
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