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and safe power wiring for your switched load
Feature ESP-01S (this product) ESP-01 (512 KB) Flash memory 1 MB — room for MicroPython
and ECHO → any digital input pin
3V power supply and a logic level shifter (or voltage divider) on the TX pin from Arduino to ESP
Helpful add-ons include keypads
RF Transmitter Module 433MHz - ASK/OOK Wireless TX rfid module and safe power wiring forNeed a simple wireless connection when Wi Fi and Bluetooth arent available? This 433MHz RF module set is a cost effective solution for short range, one way data transmission. Commonly used for remote control applications, it includes an FS1000A transmitter and a matching receiver operating at 433 MHz. The transmitter sends serial data wirelessly through an external antenna, while the receiver captures the signal at the same frequency for processing.
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