125KHz Waterproof ID Tags RFID ABS Coin with Hole - 40mm ESP12E ESP8266 Wireless Transceiver Module 32 KB Flash Memory -

32 KB Flash Memory - Ample space for complex sketches and multi-function programs

and soil moisture probes

or PIC for VU meters

reduce resolution further

125KHz Waterproof ID Tags RFID ABS Coin with Hole - 40mm ESP12E ESP8266 Wireless Transceiver Module 32 KB Flash Memory -125KHz Waterproof ID Tags RFID ABS Coin with Hole 40mm Premium quality RFID identification tags from The Engineer Store, Bengaluru. Fast shipping, 7 day warranty on manufacturing defects, and dedicated 24 7 support. Specifications Feature Details Frequency 125KHz Form Factor Coin Disc Shape Diameter 40mm Material ABS Plastic (Waterproof) Design Pre drilled hole for attachment Type Electronics Component Origin Original Authentic Warranty 7 day warranty