ESP types: Difference between revisions
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!GPIO | !GPIO | ||
!ADC | !ADC | ||
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|ESP32 | |ESP32 | ||
|1x/2x LX6 | |1x/2x LX6 | ||
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| Line 31: | Line 33: | ||
|43 | |43 | ||
|2x13bit | |2x13bit | ||
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|ESP32-S3 | |ESP32-S3 | ||
| Line 41: | Line 44: | ||
|45 | |45 | ||
|2x12bit | |2x12bit | ||
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|- | |- | ||
|ESP32-C2 | |ESP32-C2 | ||
|1x RISC-V | |1x RISC-V | ||
|272KiB | |||
|576KiB | |||
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|14 | |14 | ||
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|- | |- | ||
| Line 61: | Line 66: | ||
|22/16 | |22/16 | ||
|2x12bit | |2x12bit | ||
|pin compatible with ESP8266 | |||
|- | |- | ||
|ESP32-C6 | |ESP32-C6 | ||
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| Line 73: | Line 80: | ||
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|ESP32-H2 | |ESP32-H2 | ||
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Revision as of 22:25, 29 December 2023
ESP32 types
| CPU | SRAM | ROM | RTC SRAM | Wifi | Bluetooth | GPIO | ADC | ||
|---|---|---|---|---|---|---|---|---|---|
| ESP32 | 1x/2x LX6 | ||||||||
| ESP32-S2 | 1x LX7 | 320KiB | 128KIB | 16KiB | b/g/n 2.4G | - | 43 | 2x13bit | |
| ESP32-S3 | 2x LX7 | 512KiB | 384KiB | 16KiB | b/g/n 2.4G | 5 LE | 45 | 2x12bit | |
| ESP32-C2 | 1x RISC-V | 272KiB | 576KiB | 14 | |||||
| ESP32-C3 | 1x RISC-V | 400KiB | 384KiB | 8KiB | b/g/n 2.4G | 5 LE | 22/16 | 2x12bit | pin compatible with ESP8266 |
| ESP32-C6 | |||||||||
| ESP32-H2 |
Comparison
| Flash | RAM | PSRAM | |
|---|---|---|---|
| ESP8266 | |||
| ESP-01 | ext. 1MB | 80kB | |
| Wemos D1 Mini | ext. 4MB | 80kB | |
| NodeMCU | |||
| ESP8265 | |||
| ESP-01 | int. 1-2MB | ||
| ESP32 | |||
| WROOM based | 4MB | 520kB (328k usable) | 0MB |
| ESP32-mini | 4MB | 520kB | 0MB |
| Lolin32 | 4MB | 520kB | 0MB |
| ESP32 DevKit v1 | 4MB | 520kB | 0MB |
| WROVER based | 4MB | 520kB | 8MB |
ESP8266
![[1]](https://homecircuits.eu/blog/wp-content/uploads/2016/01/esp-01-pins.jpg){kind=link}
![[2]](https://esp8266-server.de/dateien/wemos/D1-mini-pinoutKl.png){kind=link}
![[3]](https://lastminuteengineers.com/wp-content/uploads/arduino/ESP-12E-Development-Board-ESP8266-NodeMCU-Pinout.png){kind=link}
| Pin | I2C | SPI | ESP-01 | D1 Mini | Comment | Boot behaviour | |
|---|---|---|---|---|---|---|---|
| GPIO14 | D5 | SCK | x | ||||
| GPIO12 | D6 | MISO | x | ||||
| GPIO13 | D7 | MOSI | x | ||||
| GPIO5 | D1 | SCL | x | ||||
| GPIO4 | D2 | SDA | x | ||||
| GPIO16 | D0 | x | Pulldown resistor | high on boot | |||
| GPIO15 | D8 | CS | x | Boot failure if high | |||
| GPIO0 | D3 | x | x | Boot failure if low | |||
| Inputs | |||||||
| ADC | A0 | x | Analog input | ||||
| Serial | |||||||
| GPIO1 | TX | x | x | TX | high on boot, failure if low | ||
| GPIO3 | RX | x | x | RX | high on boot | ||
| Strapping Pins (Boot) | |||||||
| GPIO2 | D4 | x (LED) | x | high on boot, boot failure if low | |||
ESP32
![[4]](https://www.bastelgarage.ch/image/catalog/Artikel/420571-420580/420571-Pinout.jpg){kind=link}
![[5]](https://www.mischianti.org/wp-content/uploads/2020/09/ESP32-WeMos-LOLIN32-pinout-mischianti.jpg){kind=link}
![[6]](https://raw.githubusercontent.com/AchimPieters/esp32-homekit-camera/master/Images/ESP32-30PIN-DEVBOARD.png){kind=link}
![[7]](https://raw.githubusercontent.com/AchimPieters/esp32-homekit-camera/master/Images/ESP32-38PIN-DEVBOARD.png){kind=link}
- WROVER = 8MB PSRAM
| Pin | ADC1 | DAC | RTC(WakeUp) | Touch | SPI | Comment | |
|---|---|---|---|---|---|---|---|
| IO04 | x | x | |||||
| IO05 | CS | ||||||
| IO16 | |||||||
| IO17 | |||||||
| IO18 | CLK | ||||||
| IO19 | MISO | ||||||
| IO23 | MOSI | ||||||
| IO25 | x | x | |||||
| IO26 | x | x | |||||
| IO27 | x | x | |||||
| IO32 | x | x | x | ||||
| IO33 | x | x | x | ||||
| IO12 | x | x | HSPI | (Platform IO JTAG) | |||
| IO13 | x | x | HSPI | (Platform IO JTAG) | |||
| IO14 | x | x | HSPI | (Platform IO JTAG) | |||
| IO15 | x | x | HSPI | (Platform IO JTAG) | |||
| Input only | |||||||
| IO34 | x | x | Input only | ||||
| IO35 | x | x | Input only | ||||
| IO36 | x | x | Input only, Hall | ||||
| IO39 | x | x | Input only, Hall | ||||
| Serial, I2C, SPI | |||||||
| IO1 | TX | ||||||
| IO3 | RX | ||||||
| IO21 | I2C SDA | ||||||
| IO22 | I2C SCL | ||||||
| Strapping Pins (Boot) | |||||||
| IO0 | x | Boot button | |||||
| IO2 | x | Block flash | |||||
| IO5 | ? | ||||||
| IO15 | Low = no boot log | ||||||
| Flash Chip | |||||||
| IO06 | |||||||
| IO07 | |||||||
| IO08 | |||||||
| IO09 | |||||||
| IO10 | |||||||
| IO11 | |||||||