Remote control of field robots usually becomes difficult when the robots go beyond obstacles, such as thick walls, buildings, forests, or mountains, due to loss of line-of-sight radio propagation.
ESP-01 is a tiny and useful piece of hardware. It has a 32-bit MCU, 2.4GHz 802.11 b/g/n WiFi, 1MB flash memory, and several other useful embedded features. Such ...
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