![]() ![]() Zimodem firmware for the ESP by Bo Zimmerman.Serial Drivers for the development module you choose.RS-232 cable (and possibly an RS-232 gender changer or NULL modem adapter)Ĭurrently, we have to download and build the special Zimodem firmware, but as soon as I figure out what it takes just to load a pre-built binary, this section will be removed.Female-to-female jumper wires (or male-to-male jumper wires and a breadboard).RS-232 to TTL adapter that operates at 3.3V.microUSB cable and power source (either powered by a computer’s USB port, or a standalone USB power supply like a phone charger).ESP82660-12E NodeMCU 1.0 development module (or a NodeMCU ESP-32S module).Wiring up a “full” RS-232 to TTL adapter.It can be as simple as hooking up four wires, or many more wires, or even making a breadboard prototype: This is a fairly detailed guide to configuring a cheap ESP8266 WiFI module to act as a WiFi modem, then wiring it up to any computer with a traditional RS-232 port. : Travis Poppe has a 3-D printed case for this you can download and print:.: Making link to separate article on installing firmware easier to notice. ![]()
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