ESP8266 ESP-01S Remote Serial Port WIFI Transceiver ($6.19)

Still cheaper than therapy: $6.19 (coupon included). Updated: 27-01-2026.

ESP8266 ESP-01S Remote Serial Port WIFI Transceiver
Banggood warehouse: China.

Price: $6.19

Additional Banggood coupons:
1. First page
2. Second page

Aliexpress

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