If GPIO2 pin is set set as an input, the the driver (your external circuit) must have a high enough low side current drive. Similarly as an output from the ESP8266 current will be sunk when the output is set low. Pull-ups On the ESP-01S three pull-ups have been added to the fol...
it is also possible to program the ESP-01 using an Arduino UNO, usingthis circuit, but don't use the UNO 3V3 power pin as the ESP-01's power supply it is only rated at 150mA and can cause problems when trying to debug a project that uses...
The development board has an onboard automatic download circuit, the Type C port at the UART silk screen is used for program download and log printing. After downloading the program, press the RESET button to run the program Please pay attention to the PCB antenna area when using, and avoid...
The circuit diagram for the remote-controlled stereo FM radio with RDS using the ESP-01 is depicted in Fig. 2. It comprises the 3.3V voltage regulator LD117AV33 (IC1), ESP-01 (U1), RDA5807M FM stereo module RRD-102 V2 (U2), 38kHz IR remote receiver 3.3V module (U3), 23mm (...
If the ESP32S3 mainboard only has a USB port, you need to enable USB CDC, as shown in the following diagram: Compile and upload the program: ①. Compile the program; ②. Compile and download the program; ③. Download successful. Open the Serial Monitor window, and the demo will ...
ESP12E VS ESP12F Circuit Diagram ESP12E VS ESP12F Specifications How to use the ESP-12E How to use the ESP12F ESP12E VS ESP12F Applications Comparison the difference between the ESP12E and ESP12F Conclusion Datasheet PDF Parts with Similar Specs ...
the ESP32 Deep Sleep mode with Arduino IDE. We’ll show you how to put the ESP32 into deep sleep and take a look at different modes to wake it up:timer wake up,touch wake up, andexternal wake up. This guide provides practical examples with code, code explanation, and circuit diagrams...
Otherwise, it may cause XIAO to short circuit or not work properly, and the consequences caused by this will be borne by the user.Installation of antenna On the bottom left of the front of XIAO ESP32S3, there is a separate "WiFi/BT Antenna Connector". In order to get better WiFi/...
Once we have the ESP-01 configured, we must install it on its final circuit. For that we must CHANGE the wiring done before and connect the ESP-01 to our UNO as below: ESP-01 RX (Yellow) to UNO Pin D7 ESP-01 TX (Orange) to UNO Pin D6 ...
About the programming, please first set it into flash mode and download for a try. And please check if you enable the CDC mode in the Tool menu. Support Monday-Friday (9:30-6:30) Saturday (9:30-5:30) Email: services01@spotpear.com...