DESCRIPTION:
The Analog Test Board is an accessory board includes an onboard Audio Power Amplifier LM386M, and two high-precision adjustable resistor used for adjusting input voltage level (0-3.3V, 2 channel), and a speaker for indicating the output voltage level by sound volume (1 chan..
DESCRIPTION:
ESP-12F is the most complete module for the popular ESP8266 WiFi IoT chip and is an enhanced version of ESP-12E. ESP-12F has better antenna compared to the ESP-12E, increasing its range. In all ways it is the same and is fully pin-compatible with ESP-12E.
SPECIFICATION:
802...