Timeline for Is it possible to connect many (20+) SPI sensors to an Arduino Mega?
Current License: CC BY-SA 4.0
11 events
| when toggle format | what | by | license | comment | |
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| Sep 11, 2019 at 19:40 | comment | added | tony gil | the user has declared that he is no longer interested in the question and did not upvote any of the answers. it is a noteworthy subject which should get community attention regardless. | |
| Sep 11, 2019 at 18:00 | history | bumped | CommunityBot | This question has answers that may be good or bad; the system has marked it active so that they can be reviewed. | |
| Aug 12, 2019 at 17:33 | answer | added | CrossRoads | timeline score: 1 | |
| Aug 12, 2019 at 14:35 | answer | added | tony gil | timeline score: 0 | |
| Aug 12, 2019 at 14:01 | history | bumped | CommunityBot | This question has answers that may be good or bad; the system has marked it active so that they can be reviewed. | |
| Apr 14, 2019 at 12:02 | history | bumped | CommunityBot | This question has answers that may be good or bad; the system has marked it active so that they can be reviewed. | |
| Mar 15, 2019 at 12:59 | comment | added | Vincent Vega | I'm thinking of using the Arduino Mega 2560 to receive and convert all signals, and then transmit data lines to an ESP8266 ESP07, which sends all data via MQTT over Wifi. I haven't bought the cables yet, but I was thinking to use individually shielded cables, yes. The supplier says the 4-20mA sensors will be fine for 100m. The arduino is the digital interface here really, if there's something else better suited, let me know. I'd like to use the Arduino IDE to program in, because I know it well already. | |
| Mar 15, 2019 at 10:17 | answer | added | ratchet freak | timeline score: 1 | |
| Mar 15, 2019 at 8:53 | comment | added | Jot | The spi bus is ment to be used on the same board, or else for a very short distance. The i2c bus is also for short distances (because of its weak pullup signals). The rs485 is for longer distances. Which board to you use? The arduino mega 2560 is not the same as the esp8266. The 4-20mA sensors will work but when such long cables are connected to the arduino, that might damage the arduino. Do you use shielded cables? Perhaps there is a module for multiple 4-20mA isolated inputs and with a digital interface to the arduino. | |
| Mar 15, 2019 at 8:00 | review | First posts | |||
| Mar 15, 2019 at 14:18 | |||||
| Mar 15, 2019 at 7:55 | history | asked | Vincent Vega | CC BY-SA 4.0 |