Search found 2 matches

by jlhavens
Sun Jun 04, 2023 3:20 pm
Forum: ESP32 Arduino
Topic: Using Arduino for continuous ADC--limitations?
Replies: 0
Views: 942

Using Arduino for continuous ADC--limitations?

Using Arduino on Platformio (Arduino 2.0.9 and espressif32@6.3.0); taking the example provided in the ESP-IDF for continuous ADC; and by modifying a few function call names running in an Arduino environment. On an esp32s2 I am sampling ADC1_CHANNELs; two at a time as in the example. Using ADC_CONV_M...
by jlhavens
Fri Apr 14, 2023 2:48 pm
Forum: Hardware
Topic: Digital To Analogue Converter Characteristics
Replies: 7
Views: 12756

Re: Digital To Analogue Converter Characteristics

This is a problem I ran into with the esp32s2 mini (wemos / lolin -- at least the Chinese version). According to the schematic, the dac channel 2 (GPIO18) is tied to VCC through a 10K resister as is recommended on pg 13 of the ESP32s2 hardware design guide (https://www.euromobile.ru/upload/iblock/64...