Search found 4 matches
- Mon Apr 09, 2018 5:07 pm
- Forum: ESP8266 boards
- Topic: [Solved] UART for a PMS7003 sensor gives weird output.
- Replies: 6
- Views: 6584
Re: [Solved] UART for a PMS7003 sensor gives weird output.
Not at all, but please note I'm using ESP32 here, if you are using an ESP8266 you have only UART0 and UART1 (last one having only a TX).
- Mon Mar 26, 2018 9:30 pm
- Forum: ESP8266 boards
- Topic: [Solved] UART for a PMS7003 sensor gives weird output.
- Replies: 6
- Views: 6584
Re: UART for a PMS7003 sensor gves weird output.
Ok, so despite what I quoted, I have the sensor now powered on 3.3V and I'm reading UART with no problem. I could swear that I tried powering it with 3.3V but it apparently was not the case. Lesson learned - if your UART is weird, check the power... I still need to figure out how can I reset the ser...
- Mon Mar 26, 2018 7:30 am
- Forum: ESP8266 boards
- Topic: [Solved] UART for a PMS7003 sensor gives weird output.
- Replies: 6
- Views: 6584
Re: UART for a PMS7003 sensor gves weird output.
The data sheet provides the following information: Circuit Attentions 1) DC 5V power supply is needed because the FAN should be driven by 5V. But the high level of data pin is 3.3V. Level conversion unit should be used if the power of host MCU is 5V. So I'm powering it with 5V but the TX pin of the ...
- Sun Mar 25, 2018 9:04 pm
- Forum: ESP8266 boards
- Topic: [Solved] UART for a PMS7003 sensor gives weird output.
- Replies: 6
- Views: 6584
[Solved] UART for a PMS7003 sensor gives weird output.
Hello, The problem: I'm trying to read data from a device that connects through UART. The device is PMS7003 and it runs on a 9600 baud rate, has no check bit, stop bit is 1 and provides 32 bytes in one air quality reading. The symptoms: When I connect the sensor to my PC via a USB-UART cable I can r...